Download - Flexi BSC Commissioning
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Flexi BSC Commissioning
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Flexi BSC & TCMS3i CommissioningRG10 (BSS)
Flexi BSC Commissioning
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Module objectives
After completing this module, the participant should be able to:• Commission the Flexi BSC
• Configure LANU
• Commission ESB
• Commission STMU
• Recommission BSC3i
• Verify that the Flexi BSC commissioning is well done• List the major steps used to commission the BSC equipment• Use all tools needed in the commissioning process• Perform commissioning following instructions and manuals• Demonstrate how to change the states of the functional units• Fault handling
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OverviewPurpose
• The purpose of the commissioning tests is to ensure that the BSC will operate correctly in the GSM network.
• When the commissioning tests have been performed in an acceptable manner, the BSC can be taken into traffic.
• Depending on the configuration, the commissioning of Flexi BSC takes around 3-5 working days.
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OverviewPrerequisites for BSC commissioning
• The BSC has passed the factory acceptance test
• The installation has to be accepted
• The files associated with the configuration are ready on the hardisksof the BSC
• The site has been built and prepared according to Flexi BSC, Release S14, Site Documentation
• Documents needed for commissioning:– S14 Hardware Revision List
– Interconnection Cables in Flexi BSC
– Pre-Processor Program Information in BSS14 Release Documentation
– Jumper Settings of the Cartridges in Flexi BSC and TCSM3i
– Jumper Settings of the Plug-in Units in Flexi BSC
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OverviewTools Required for BSC Commissioning
• Two terminal
• Hex calculator
• BSC Commissioning tool set NSN code: CS77580.05
• Jumper links
• Release documentation on PC
• New software on an USB memory stick
• All delivered Change Deliveries (installed after the commissioning)
• Customer Specific Disk including PRFILE, FIFILE, and license files
• Empty USB memory stick (if DCAR PIU used), or rewriteable MO disk (if ODPU PIU used).
Reference: Commissioning BSC3i (DN02199145, issue 6-1) on Nokia BSC3i, Rel. S13, Site Documentation, v.3
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BSC Commissioning ProcedureBSC3i 660 S11.5 Commissioning Procedure
Checking the HW
Checking the HW
Monitoring the Start-up
Monitoring the Start-up
Opening the first MML Session
Opening the first MML Session
Clock Equipment Checking
Clock Equipment Checking
Hardware Configuration
Checking
Hardware Configuration
Checking
Copying additional SW
and setting time zone
Copying additional SW
and setting time zone
SW version verifying
SW version verifying
I/O System Checking
I/O System Checking
Message Bus
Checking
Message Bus
Checking
Maintenance System
Checking
Maintenance System
Checking
11 22 33 44
88 77 66 55
10101111
ESB Switch Checking
ESB Switch Checking
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BSC Commissioning ProcedureBSC3i 1000/2000 S13 Commissioning Procedure
Checking the HW
Checking the HW
Opening the first MML Session
Opening the first MML Session
Monitoring the Start-upMonitoring the Start-up
Maintenance System
Checking
Maintenance System
Checking
ESB Switch Checking
ESB Switch Checking
SW version verifying
SW version verifying
Copying additional SW
and setting time zone
Copying additional SW
and setting time zone
I/O System Checking
I/O System Checking
EMB Checking
EMB Checking
Clock Equipment
Check
Clock Equipment
Check
Hardware Configuration
Checking
Hardware Configuration
Checking
New New procedure in procedure in S.12S.12
11 22 33 44
88 77 66 55
99 1010 1111
Note :
For BSC3i 1000/2000 Commissioning, there are two new checking procedures: EMB checking (replacing Message Bus Checking), compare to BSC3i 660 commissioning procedure.
Reference: Commissioning BSC3i (DN02199145, issue 6-1) on Nokia BSC3i, Rel. S13, Site Documentation, v.3
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BSC Commissioning ProcedureFlexi BSC S14 Commissioning Procedure
Checking the HW
Checking the HW
Opening the first MML Session
Opening the first MML Session
Monitoring the Start-upMonitoring the Start-up
Maintenance System
Checking
Maintenance System
Checking
ESB Switch Checking
ESB Switch Checking
SW version verifying
SW version verifying
Copying additional SW
and setting time zone
Copying additional SW
and setting time zone
I/O System Checking
I/O System Checking
EMB Checking
EMB Checking
Clock Equipment
Check
Clock Equipment
Check
Hardware Configuration
Checking
Hardware Configuration
Checking
No new No new procedure in procedure in S.14 for Flexi S.14 for Flexi BSCBSC
11 22 33 44
88 77 66 55
99 1010 1111
Note :
For BSC3i 1000/2000 Commissioning, there are two new checking procedures: EMB checking (replacing Message Bus Checking), compare to BSC3i 660 commissioning procedure.
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Step 1 – Checking the Hardware
Checking the HWChecking
the HW
Opening the first MML Session
Opening the first MML Session
Monitoring the Start-
up
Monitoring the Start-
up
Maintenance System Checking
Maintenance System Checking
ESB Switch
Checking
ESB Switch
Checking
SW version verifyingSW version
verifying
Copying additional SW and
setting time zone
Copying additional SW and
setting time zone
I/O System CheckingI/O System
Checking
EMB CheckingEMB
Checking
Clock Equipment
Check
Clock Equipment
Check
Hardware Configuration Checking
Hardware Configuration Checking
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Checking the Hardware
1. Internal cables
2. Interchangeability code
3. EPROM version
4. Jumper Settings
5. DIP Switches
6. FLASH version
7. Power Supply
8. Peripheral units
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Step 1 – Checking the HardwareInternal Cable Checking overview (1/2)
Compare the internal cabling to the interconnection cables list in Interconnection Cables in Flexi BSC in Site Documentation to make sure that:
• The cable are connected to the right position
• The connection are made properly
• The cables are installed and locked correctly
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Step 1 – Checking the HardwareInternal Cable Checking overview (2/2)
• Internal cable checking table can be found in the Interconnection Cables in Flexi BSC in RG10 Operating Document or Flexi BSC, Rel. S14, Site Documentation.
• Cable listings in the Interconnection Cables in Flexi BSC are categorized as follow:
1. BSCC Cabinet of first-delivery Flexi BSC
2. Upgrading BSCC cabinet of first-delivery BSC3i 1000/2000 to Flexi BSC
3. Upgrading BSCC cabinet of BSC3i 1000/2000 (upgraded from BSC3i 660) to Flexi BSC
4. Upgrading BSCC cabinet of BSC3i 660 directly to Flexi BSC
5. Upgrading BSCD cabinet of BSC3i 2000 to Flexi BSC
6. Upgrading transmission protection to equipment protection for ETS2 and ETIP1-A
• For the Flexi BSC new delivery, user has to check the cabling based on table which are on category 1 & 6.
• Category 6 is used if user implement the ETS2 or ETIP1-A with equipment protection (optional), in which there are some cables should be moved and added. Also new address modules should be added
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Step 1 – Checking the HardwareInternal Cable Checking – interconnection cable
The intracabinet cables include the following cables:• Power supply cables• Alarm and timing cables• Ethernet message bus cables• Message bus cables• SCSI cables
• Cables attached to cabling panel on the top of the cabinet (small CPETx panels, CPRJ45-A)
• PCM cables• LAN cables• Switch Control Bus (SCBUS) cables• Supervision Bus (SBUS) cables• Changeover Signal (CGS) cables• Changeover (CG) cables• Hotlink cables• Synchronisation (SYNC) cables
• Cables between the BSCC cabinet and the optional cabling cabinet (small and large CPETxpanels)
BSCC
Rear view
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Step 1 – Checking the HardwareInternal Cable Checking – interconnection cable
• The small CPETx panels used at the BSCC cabinet top are optional and ordered separately.
• The small and the large CPETx panels used in the optional cabling cabinet are delivered with the cabinet.
• Three cabling cabinet options are available:
– Cabling cabinet 2 PCMs / cable (connector panels CPETS-G and CPETS-H)
– Cabling cabinet 1 PCM / cable (connector panels CPETS-E and CPETS-F)
– Cabling cabinet coaxial PCMs (connector panels CPETC-E and CPETC-F)
• Intercabinet cables are used in a upgraded Flexi BSC that has been upgraded from BSC3i 2000.
BSCC
Rear view
Note :
In S13 first deliveries from the second half of 2008 onwards, the small CPETx panels used at the BSCC or BSCD cabinet top are optional and ordered separately.
Small and large CPETx panels used in the optional cabling cabinet are delivered with the cabinet.
There are three cabling cabinet options:
•cabling cabinet with balanced ET panels with two PCMs in one cable (small CPETS-G and large CPETS-H)
•cabling cabinet with balanced ET panels with one PCM in one cable (small CPETS-E and large CPETS-F)
•cabling cabinet with unbalanced ET panels (small CPETC-E and large CPETC-F)
The cable lists are organised in the following sections:
•S13 and S12 first delivery
•S12 upgrade instructions
•S11.5 first delivery
•S11.5 upgrade instructions
•Previous deliveries
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Step 1 – Checking the HardwareInternal Cable Checking – interconnection cable
• The tables of the interconection cables are intracabinet cables of the Flexi BSC and most of the intercabinet cables of the BSC3i.
• For exceptions, that is the cabling between the BSC3i part (BSC3i 1000/2000 or Flexi BSC) and the TCSA cabinet in the combined BSC3i/TCSM3i installation.
• Each cable has its individual number. This number and the address of both ends of the cable are given.
• Both the name of the functional unit to which the end of the cable is connected, and its co-ordinate are given in a table. The columns in the tables are used as follows:
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Step 1 – Checking the HardwareInternal Cable Checking – interconnection cable
Equipping No. shows the individual number of the cable. Both ends of the cable are marked with a label with this number on it.
Cabinet shows the name of the cabinet where the cable is connected.
FU or Panel shows the name of the functional unit or panel where the cable is connected
Position or Connector shows the co-ordinate of the connector where the cable is connected.
Type shows the type number of the cable. The type of the cable and connectors are coded in the first three or four letters and the length of the cable is shown in the following three numbers. The length is given in centimeters if there is a letter C after the three numbers, and in decimeters if there is no letter after the three number
Use shows the use of the cable.
Note shows the alternative configurations, if any.
Note:
List of abbreviation:
AL Alarm signal
CG Changeover
CGS Changeover Group Switch
CLK Clock signal
EMB Ethernet Message Bus signal
ET Exchange Terminal signal
LAN Local Area Network interface
LPT Line Printer
MB Message Bus signal
MDF Main Distribution Frame
PCM Pulse Code Modulation signal
SYNC Synchronisation signal
SBUS Supervision Bus signal
SCBUS Switch Control Bus signal
SCSI Small Computer Systems Interface signal
VDU Video Display Unit
V.24, X.21, V.35 Interface types defined by ITU-T
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Step 1 – Checking the HardwareInternal Cable Checking – how to identify cartridge, connector and cables
2 mm Hard Metric cartridges
Example :
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Step 1 – Checking the HardwareInternal Cable Checking – how to identify cartridge, connector and cables
Euroconnector Cartridges
Example :
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Step 1 – Checking the HardwareInterchangeable Code Checking
Place of manufacture
Year and week of manufacture
Factory identification
Serial number
Question: Where are the interchangeability codes listed?
Question: What type of unit is used in BSC applications?
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Step 1 – Checking the HardwareInterchangeability code, Jumper Settings, DIP Switches (1/2)
• ICC (Interchangeability Code), Jumper Setting and DIP Switch are checked both for Cartridges and PIU.
• Hardware Revision List document consist of hardware list which are compatible with certain type of BSC (include Flexi BSC). Here is the list of the cartridges and PIU CIC for Flexi BSC
• For Jumper setting instruction, can be found in the following documents:
– Jumper Settings of the Cartridges in Flexi BSC
– Jumper Settings of the Plug-in Units in Flexi BSC and TCSM3i
Cartridges for Flexi BSC
PIUs for Flexi BSC
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Step 1 – Checking the HardwareInterchangeability code, Jumper Settings, DIP Switches (2/2)
SGC1C-A - GSW and general TDM cartridge
W1
• Settings on jumper block W1 are used for setting the operating mode of the CL3TG-UA plug-in unit.
• Normally, the jumpers are installed between pins 2 and 3 (state 1) (External reference signal 2, termination for 120 ohm balanced interface)
• Default synchronization cables are located:
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Step 1 – Checking the HardwareInterchangeability code, Jumper Settings, DIP Switches (1/6)
• AS7-D Plug-in Unit– The AS7-D has two vendors (Advantech & RadiSys) that differ in layout but
are identical in function
Advantech RadiSys
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Step 1 – Checking the HardwareInterchangeability code, Jumper Settings, DIP Switches (2/6)
• AS7-D Plug-in Unit (cont’d)
Advantech
DIP Switch
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Step 1 – Checking the HardwareInterchangeability code, Jumper Settings, DIP Switches (3/6)
SWPRO-C plug-in unit
DIP Switch
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Step 1 – Checking the HardwareInterchangeability code, Jumper Settings, DIP Switches (4/6) Example for ET16 PIU
W2
P5
P4
P2
P1
Interchangeability code setting (SW2)
Jumper Setting
Reference:•Jumper Settings of the Plug-in Units in BSC3i and in TCSM3i (DN01154825 Issue 6-1)
•Jumper Settings of the Cartridges in BSC3i and TCSM3i (DN01154813 Issue 4-0)
Question: Name 4 plug in units that have jumper settings for
interchangeability code
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Step 1 – Checking the HardwareInterchangeability code, Jumper Settings, DIP Switches (5/6) - Example for PCU2-E PIU
• Check the jumper setting:
W12
W13
W1
SW1
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Step 1 – Checking the HardwareInterchangeability code, Jumper Settings, DIP Switches (6/6) - Example for PCU2-E PIU
Default value
(W1) for PCU-E in Flexi BSC
W13 Standard setting for PCU-E in Flexi BSC
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Step 1 – Checking the HardwareEPROM and FLASH version checking
• EPROM version and FLASH version can be found in S14 Preprocessor Information in release documentation along with Software Release package.
• Here is the list related to Flexi BSCReplaceable EPROM software versions
Programmable FLASH boot software versions
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Step 1 – Checking the HardwarePower Supply Checking
Power connected at connectorblock on top of cabinet
Voltage requirement for BSC3i
Use multimeter to check the voltage
Power connected at connectorblock on top of cabinet
Power divider in front of the cabinet
Power divider in back of the cabinet
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Step 1 – Checking the HardwarePeripheral Unit: VDU, Printer Setting
• The purpose of this test is to check the strappings and setting made in the factory, and also perform internal tests in units which are equipped with test functions.
• For VDU setting:
• Connect the female connector to the VDU and join the free pins on the male connector with strapping wire.
• Type some text on the keyboard. The terminal is OK if the typed text is echoed to the screen
• If no text is displayed, the VDU is faulty.
• For printer setting:
• Perform internal tests on those printers that are equipped with test functions
80Line length
23Page length
EvenParity
2Stop bits
7Data bits
9600Baud rate
80Line length
65Page length
EvenParity
2Stop bits
7Data bits
9600Baud rate
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Step 2 – Opening the first MML Command
Checking the HWChecking
the HW
Opening the first MML Session
Opening the first MML Session
Monitoring the Start-
up
Monitoring the Start-
up
Maintenance System Checking
Maintenance System Checking
ESB Switch
Checking
ESB Switch
Checking
SW version verifyingSW version
verifying
Copying additional SW and
setting time zone
Copying additional SW and
setting time zone
I/O System CheckingI/O System
Checking
EMB CheckingEMB
Checking
Clock Equipment
Check
Clock Equipment
Check
Hardware Configuration Checking
Hardware Configuration Checking
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ENTER USERNAME < SYSTEM
ENTER PASSWORD < ******
BSC3i BSC31-LAB 2007-01-17 14:31:10
WELCOME TO THE DX 200 SERIES DIALOGUE
MAIN LEVEL COMMAND <___>
Opening the first MML Session
Opening the first MML Session
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Username : SYSTEM
Password : SYSTEM
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Step 2 – Opening the first MML CommandMML in Commissioning
• MML = Man Machine Language
• Command language
• Manage the operation of the BSC
• I/O syntax follows CCITT
recommendations.
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Step 2 – Opening the first MML CommandGeneral
• Organised in a three level command hierarchy.
• ON-LINE help.
• Own MML program for every MML command group.
• The MMI system loads the MML programs from a disk into the RAM when entered to the command group level.
Main Level
Command Class Level
Command Group Level
“D” “S” “I” “C” “C” “I”
U R
US RRRCUD
“U”“R”
“R”“C”
“S”
“D”
Commands
“ZRCI”
“ZR”
Command: USI
OMU
XY
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Step 2 – Opening the first MML CommandMML language hierarchy
PASSWORD
MAIN LEVEL
COMMANDCLASS LEVEL
COMMANDGROUP LEVEL
COMMANDSList unitinfo
Int. partialunit tests
Stopcurrent
test
...
A.. U..
AB. AH. US. UD.
ABO ABB AHO AHP USI USL UDI UDS
“A”
“B”
“U”
“Z;”
“Z;”
Print alarm
currently on
Blockalarms
Print alarms
currently blocked
Print alarm
history
Interrogateworking
state
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Step 2 – Opening the first MML CommandCommand class menu
< Z?
BSC3i BSC31-LAB 2007-01-25 15:19:45
MAIN LEVEL
? ..... DISPLAY MENU
A ..... ALARM SYSTEM ADMINISTRATION
C ..... ROUTING STATE ADMINISTRATION
D ..... SYSTEM SUPPORT AND COMMUNICATION
E ..... CELLULAR RADIO NETWORK ADMINISTRATION
F ..... FRAME RELAY ADMINISTRATION
I ..... I/O SYSTEM ADMINISTRATION
N ..... SS7 NETWORK ADMINISTRATION
O ..... SUPPLEMENTARY SS7 NETWORK ADMINISTRATION
Q ..... O&M NETWORK ADMINISTRATION
R ..... ROUTING ADMINISTRATION
T ..... TRAFFIC ADMINISTRATION
U ..... UNIT ADMINISTRATION
W ..... SYSTEM CONFIGURATION ADMINISTRATION
Y ..... SYSTEM SUPERVISION
Z; .... END DIALOGUE/DESTINATION SELECTION (:)
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Step 2 – Opening the first MML CommandCommand group menu
< U?
BSC3i BSC31-LAB 2007-01-25 15:17:43
SYSTEM SUPPORT AND COMMUNICATION
? ..... DISPLAY MENU
B ..... RADIO NETWORK TEST HANDLING
D ..... DIAGNOSTICS HANDLING
S ..... WORKING STATE AND RESTART HANDLING
Z; .... RETURN TO MAIN LEVEL
UNIT ADMINISTRATION COMMAND <U__>
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Step 2 – Opening the first MML CommandCommand menu
UNIT ADMINISTRATION COMMAND <U__>< S?
BSC3i BSC31-LAB 2007-01-25 15:17:43
WORKING STATE AND RESTART HANDLING COMMANDS
? ... DISPLAY MENU
C: ... CHANGE UNIT STATE
T: ... CHANGE UNIT INFO
W: ... WARM UP SPARE UNIT
I: ... INTERROGATE UNIT STATE
L: ... LIST UNITS IN SPECIFIED STATE OR INFO
U: ... RESTART UNIT
S: ... RESTART SYSTEM
Z; ... RETURN TO MAIN LEVEL
WORKING STATE AND RESTART HANDLING COMMAND <US_>
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Step 2 – Opening the first MML CommandMML command syntax
Command
ZABC: Parameter Block : Parameter Block :;
.... : Parameter, Parameter, ..... , :...
Parameter Type
.. : P1, P2, P3, , P5 : ...
1. Name Defined
.. : UNIT = OMU, DEV = LPT : ...
or: .. : DEV = LPT, UNIT = OMU : ...2. Position Defined
Omitted Parameter = DEFAULT
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Step 2 – Opening the first MML CommandPunctuation marks
: Pass or End Parameter Block
; End of Command --> EXECUTION
, Separation of parameters
? Menu or Parameter Information
% Wildcard(e.g. SW % = all names with SW .... )
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Step 2 – Opening the first MML CommandUsage of &, &&,-
& => AND&& => UP TO- => Timeslot TSL
PCM 3 AND 5 3 & 5
PCM 3 TSL 1 AND TSL 8 3 - 1 & - 8
PCM 3 UP TO 8 3 && 8
3 - 1 && - 8PCM 3 TSL 1 UP TO TSL 8
Examples:
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Step 2 – Opening the first MML CommandLine editor commands
CTRL A => Change mode CTRL B => Edit prev command
CTRL D => Cursor left CTRL E => Cursor end of line
CTRL F => Cursor right CTRL G => Cursor down
CTRL H => Cursor home CTRL I => Cursor up
CTRL K => Change language CTRL L => Delete character
CTRL N => Curs beg of param block CTRL O => Hardcopy
CTRL P => Page mode on/off CTRL Q => Cont. outputting
CTRL S => Pause outputting CTRL T => Output ringbuffer
CTRL U => Empty edit buffer CTRL X => Jump to CMD group level
CTRL Y => Interrupt CTRL Z => Del chars in edit buffer
BREAK => End of dialog CTRL 4 => MML testmode on/off
CTRL 7 => DX error description CTRL W => Display line editor commands
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Step 3 – Monitoring the Startup
Checking the HWChecking
the HW
Opening the first MML Session
Opening the first MML Session
Monitoring the Start-
up
Monitoring the Start-
up
Maintenance System Checking
Maintenance System Checking
ESB Switch
Checking
ESB Switch
Checking
SW version verifyingSW version
verifying
Copying additional SW and
setting time zone
Copying additional SW and
setting time zone
I/O System CheckingI/O System
Checking
EMB CheckingEMB
Checking
Clock Equipment
Check
Clock Equipment
Check
Hardware Configuration Checking
Hardware Configuration Checking
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1.1. Startup OMUStartup OMU
2.2. Startup Startup MCMUsMCMUs
3.3. Startup Startup BCSUsBCSUs
Monitoring the Start-upMonitoring the Start-up
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Step 3 – Monitoring the StartupStart-up of the OMU
• Ensure BSC printers and VDU connected
• Power up OMU cartridge
• Use RCBUGG in Service Terminal Emulator (to monitor unit state)
• Restart OMU
• Monitor Startup
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Step 3 – Monitoring the StartupStart-up of MCMU and BCSU
Start the MCMU Then the BCSU
Note :
•Check that the working state of the MCMU is WO-EX or SP-EX during the start-up of the system.
•Check that the working state of the BCSU is WO-EX or SP-EX during the start-up of the system.
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Step 4 – I/O System Checking
Checking the HWChecking
the HW
Opening the first MML Session
Opening the first MML Session
Monitoring the Start-
up
Monitoring the Start-
up
Maintenance System Checking
Maintenance System Checking
ESB Switch
Checking
ESB Switch
Checking
SW version verifyingSW version
verifying
Copying additional SW and
setting time zone
Copying additional SW and
setting time zone
I/O System CheckingI/O System
Checking
EMB CheckingEMB
Checking
Clock Equipment
Check
Clock Equipment
Check
Hardware Configuration Checking
Hardware Configuration Checking
1 2 3 4
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1.1. Power Supply of Mass Power Supply of Mass
memory Devices memory Devices
2.2. State of I/O devicesState of I/O devices
I/O System Checking
I/O System Checking
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Step 4 – I/O System CheckingTesting power system of the WDU
1. Check the state of the WDU.ZISI::WDU,0; WO-BU
2. Prevent file update to diskZDUP:OMU:NO,:;
3. Disconnect the powerpull the switch in HDSAM-A one step out
4. Remove the WDUpull out the HDSAM-A disk from the DCAR1-A
5. Check the state of the alarm in the MO drive.
ZISI::WDU,0; TE-ID and alarm 2692 is set
6. Reconnect the Power
7. Change the state of WDU with ZISC TE-IDWO-IDWO-BU
8. Resume file update to diskZDUR:OMU;
9. Check the state of the alarm in the WDUZISI::WDU,0; TE-ID and alarm 2692
is cancelled10.Repeat the steps 1-9 with
WDU1
DCAR1
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Step 4 – I/O System CheckingWorking states of I/O devices
WO - BU WORKING BUSY: WO I/O reserved
WO - ID WORKING IDLE: WO I/O free
WO - CL WORKING CLOSING: btw WO-BU & WO-ID
BL - SY BLOCKED BY SYSTEM: not ready, faulty
BL - US BLOCKED BY USER: user blocks it
TE - AC TEST ACTIVE: testing now
TE - ID TEST IDLE: ready to test
MI - SY MISSING BY SYSTEM: system not recognize
MI - US MISSING BY USER: before we remove a device
OFFLINE means Device connected but not power on
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Step 4 – I/O System CheckingNormal State of I/O devices
WDU, FDU & UMS HD/FD must have info all the time
VDU & LPT They must be free for any access
VTP & VPP Connection must be established to a remote I/O
WO-BU
WO-ID
WO-ID
Note:
LPT = Line printer
VDU = Display unit
WDU = hard disk unit
VTP = Virtual Terminal
VPP = Virtual Printer Protocol
VDS = Virtual Data Storing device
UMS = USB Mass Storage
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Step 4 – I/O System CheckingI/O device working state commands
< ZIS?
LOADING PROGRAM VERSION 11.4-0
BSC3i BSC31-LAB 2007-01-25 14:26:57
I/O DEVICE WORKING STATE COMMANDS
? ..... DISPLAY MENU
C: ..... CHANGE I/O DEVICE STATE
I: ..... INTERROGATE I/O DEVICE INFO
L: ..... LIST I/O DEVICES IN SPECIFIED STATE
M: ..... MODIFY SPARE DEVICE OF I/O DEVICE
K: ..... MODIFY/INTERROGATE SCSI ADDRESS OF MTU
F: ..... CHANGE FUNCTIONAL MODE OF CTU
Z; ..... RETURN TO MAIN LEVEL
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Step 4 – I/O System CheckingUnit states
Separated from normal operation and maintenanceAs above
WO-EX = Active unitWO-RE = Active, but restartingBL-EX = Blocked, executing (uncompleted tasks)BL-ID = Blocked, idle (all tasks finished)BL-RE = Blocked, restartingSP-EX = Spare unitSP-RE = Spare and restartingSP-UP = Spare and updating work files from the active unitTE-EX = Testing allowedSE-OU =SE-NH =
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Step 4 – I/O System CheckingChange Unit States
WO-EX
SE-NHSE-OU
TE-EXSP-EX
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Step 4 – I/O System CheckingExample of I/O devices Inspection
<ZISI::ALL:;
I/O DEVICE WORKING STATE AND SPARE DEVICESYSTEM = BSC31-LAB UNIT = OMUDEVICE STATE SPARE DEVICE DEVICE STATE TAPE STATE TAPE TYPE
FDU-00 WO-BU - -WDU-00 WO-BU - -WDU-01 WO-BU - -LPT-00 BL-SY BSC31-LAB OMU LPT-01 -LPT-01 BL-SY BSC31-LAB OMU LPT-00 -
LPT-02 BL-SY - -LPT-03 BL-SY - -VDU-00 BL-SY - -VDU-01 BL-SY - -VDU-02 BL-SY - -VDU-03 BL-SY - -VDU-04 BL-SY - -VDU-05 BL-SY - -VDU-06 BL-SY - -VDU-07 BL-SY - -VTP-00 BL-SY - -VTP-01 BL-SY - -VTP-02 BL-SY - -VTP-03 BL-SY - -VTP-04 BL-SY - -VTP-05 BL-SY - -VTP-06 BL-SY - -VTP-07 BL-SY - -VTP-08 BL-SY - -VTP-09 BL-SY - -
VPP-00 BL-SY - -VPP-01 BL-SY - -VPP-02 BL-SY - -VPP-03 BL-SY - -VPP-04 BL-SY - -VPP-05 BL-SY - -VPP-06 BL-SY - -VPP-07 BL-SY - -VPP-08 BL-SY - -VPP-09 BL-SY - -VPP-10 BL-SY - -VPP-11 BL-SY - -VPP-12 BL-SY - -VPP-13 BL-SY - -VPP-14 BL-SY - -VPP-95 BL-SY - -VPP-96 BL-SY - -VPP-97 BL-SY - -VPP-98 BL-SY - -VPP-99 BL-SY - -VDS-00 WO-BU - -VDS-01 WO-BU - -VDS-02 WO-BU - -VDS-03 WO-BU - -VDS-04 WO-BU - -VDS-05 WO-BU - -VDS-06 WO-BU - -VDS-07 WO-BU - -VDS-08 WO-BU - -VDS-09 WO-BU - -VDS-10 WO-BU - -VDS-11 WO-BU - -VDS-12 WO-BU - -VDS-13 WO-BU - -VDS-14 WO-BU - -VDS-15 WO-BU - -UMS-00 WO-BU - -UMS-01 WO-BU - -
COMMAND EXECUTED
VTP-10 BL-SY - -VTP-11 BL-SY - -VTP-12 BL-SY - -VTP-13 BL-SY - -VTP-14 BL-SY - -VTP-15 BL-SY - -VTP-16 BL-SY - -VTP-17 BL-SY - -VTP-18 BL-SY - -VTP-19 BL-SY - -VTP-20 BL-SY - -VTP-21 WO-BU - -VTP-22 WO-BU - -VTP-23 BL-SY - -VTP-24 BL-SY - -VTP-25 BL-SY - -VTP-26 BL-SY - -VTP-27 BL-SY - -VTP-28 BL-SY - -VTP-29 BL-SY - -VTP-30 BL-SY - -VTP-31 BL-SY - -VTP-32 BL-SY - -VTP-33 BL-SY - -VTP-34 BL-SY - -VTP-35 BL-SY - -VTP-36 BL-SY - -VTP-37 BL-SY - -VTP-38 BL-SY - -VTP-39 BL-SY - -VTP-40 BL-SY - -VTP-41 BL-SY - -VTP-42 BL-SY - -VTP-43 BL-SY - -VTP-44 BL-SY - -
FDU = Floppy Disk unit
LPT = Line Printer
VDU = Display Unit
WDU = Winchester Disk Unit
CTU = Cartridge Disk Unit
VTP = Virtual Terminal Protocol
VPP = Virtual Printer Protocol
VDS = Virtual Data Storing Device
UMS = USB Mass Storage
•The disk drives should enter the state WO-BU and remain in it.
•The UMS, VDU and LPT units are in WO-ID or BL-SY state, depending on whether the terminal equipment is connected or not. The printer remains in the state WO-BU only for the period during which it is printing.
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Step 5 – EMB Checking
Checking the HWChecking
the HW
Opening the first MML Session
Opening the first MML Session
Monitoring the Start-
up
Monitoring the Start-
up
Maintenance System Checking
Maintenance System Checking
ESB Switch
Checking
ESB Switch
Checking
SW version verifyingSW version
verifying
Copying additional SW and
setting time zone
Copying additional SW and
setting time zone
I/O System CheckingI/O System
Checking
EMB CheckingEMB
Checking
Clock Equipment
Check
Clock Equipment
Check
Hardware Configuration Checking
Hardware Configuration Checking
1 2 3 4
8 7 65
9 1011
•• Verify the EMB LAN Verify the EMB LAN connection and MAC connection and MAC address of the computer in address of the computer in the LANthe LAN
•• Using EBSTER service Using EBSTER service terminal commandterminal command
EMB Checking
EMB Checking
55
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Step 5 – EMB CheckingStep-by-step checking the EMB
The EMB LAN switches (ESB24 plug-in units) are configured automatically when they receive an IP address from the dynamic host configuration protocol (DHCP) server.
Step:
1. Go to the service terminal. ZDDS
2. Load EBSTER ZLP:1,EBS
3. Start EBSTER Z1;
4. Send a test message using EMB-0 00:EBS>AT:0x007F,0
5. Send a test message using EMB-1 00:EBS>AT:0x007F,1
6. Check the MAC addresses of all computer units. 00:EBS> A:0x000:0xFFFF
7. Exit EBSTER Z;
8. Unload EBSTER ZL:1;
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Step 5 – EMB CheckingExample (1/2)
00-MAN>ZLP:1EBS
00-MAN>ZLP:1,EBS00-MAN>1
00-EBS>?
ETHERNET POST OFFICE TESTER
? ..... MENU??..... HELPV ..... VIEW ADDRESSESA ..... STATE / ADDRESS MANAGEMENTS ..... POST OFFICE STATISTICSP ..... POST OFFICE PARAMETERSL ..... VIEW POST OFFICE INTERNAL LOG AND OTHER INFOZ ..... RETURN TO MAIN LEVEL
00-EBS>?A
AT:comp,EMB-side;!* Test the EMB with test message. Send via MB and receive via EMB.!* EMB-side: Specifies that the test message is received via EMB-0 or EMB-1AV:use_emb; !* Switch used media. use_emb: T (use EMB) or F (use MB)A(C):comp:unit,unit[,unit...];!* Ask for the MAC-address of the specified unit(s)in the computers!* MAC-address table!* C = continuous display!* comp = Specifies the computer where the message is sent to!* unit = Specifies the unit whose MAC-address is read from the!* computer's MAC-address table. 0xFFFF means all units.NOTE: if 0x or 0X prefix is missing, the parameter is considered as decimal!
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Step 5 – EMB CheckingExample (2/2)
00-EBS>AT:0X007F,1Received test messages using EMB-1 from following units:========================================================0000, 0004, 0005, 0031, 0032
00-EBS>AT:0X007F,0Received test messages using EMB-0 from following units:========================================================0000, 0004, 0005, 0031, 0032
0-EBS>A:0X000:0XFFFF
EMB-0 OK, EMB-1 OK
Unit MAC addr 0 Mac addr 1 MB CID EMB0 EMB1 CPU SCD==========================================================================0000 02:00:00:80:00:20 02:00:00:80:00:30 0000 0000 OK OK CP816-A OK0004 02:00:00:80:04:20 02:00:00:80:04:30 0004 0004 OK OK CP816-A OK0005 02:00:00:80:05:20 02:00:00:80:05:30 0005 0005 OK OK CP816-A OK0030 02:00:00:80:30:20 02:00:00:80:30:30 0030 0030 OK OK CP816-A OK0031 02:00:00:80:31:20 02:00:00:80:31:30 0031 0031 OK OK CP816-A OK0032 02:00:00:80:32:20 02:00:00:80:32:30 0032 0032 OK OK CP816-A OK
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Step 6 – Clock Equipment Check
Checking the HWChecking
the HW
Opening the first MML Session
Opening the first MML Session
Monitoring the Start-
up
Monitoring the Start-
up
Maintenance System Checking
Maintenance System Checking
ESB Switch
Checking
ESB Switch
Checking
SW version verifyingSW version
verifying
Copying additional SW and
setting time zone
Copying additional SW and
setting time zone
I/O System CheckingI/O System
Checking
EMB CheckingEMB
Checking
Clock Equipment
Check
Clock Equipment
Check
Hardware Configuration Checking
Hardware Configuration Checking
1 2 3 4
8 7 65
9 1011
• Switchover of synchronization
unit and the clock and alarm
buffer
• Synchronization unitClock
Equipment Check
Clock Equipment
Check66
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Step 6 – Clock Equipment CheckChecking the switchover of the clock synchronization
21
Press the front control panel switch
Removing the power supply (PP1/PP2) from the unit
For checking the switchover of the clock system can be done by:
1. Testing the control with the front panel switch (FCTRL), and
2. Removing the power supply connection (PP1/PP2) from the unit.
Do this first to the active and then to the passive unit.
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Step 6 – Clock Equipment CheckChecking the Synchronization unit
• CL3TGs have four synchronisation inputs. The clock synchronisation unit switches over to use the input 2M1 first, then 2M2, 2M3, and 2M4 respectively, within the time TR.
• The default values of ET16s are 368, 640, 256, and 524• The default time value is 10 minutes.• On both CL3TG plug-in units, the indicator lamp for the synchronisation input in
question is lit.• Checking the synchronization unit can be done by doing:• Simulating the synchronization input:
– Make a loop-back: 1 4; 2 5– Connect the loop-backs to the ETs– Set all synchronisation inputs to the state CONNECTED.– Open new synchronisation input (DRC). ZDRC:2M2;– Delete the synchronisation inputs (DRD). ZDRD:2M2;– The synchronisation input 2M1 should be in the state CONNECTED and in use (USED
INPUT). Check this with the DRI command: ZDRI;– The other synchronisation inputs should also be in the CONNECTED state.
• Checking the synchronisation unit with a changeover– Check the indicator lamp.– Make a changeover to the backup connection (DRS, DRI).– Disconnect the second loop-back.– Make a changeover to internal oscillator (DRI).– Make a synchronisation with external clock.
When disconnecting the first (and the other) loop-back, the following messages are displayed on the alarm printer:
2641 FAILURE IN SYNCHRONISATION SIGNAL
0630 SYNCHRONISATION SIGNAL CHANGED
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Step 7 – HW Configuration Checking
Checking the HWChecking
the HW
Opening the first MML Session
Opening the first MML Session
Monitoring the Start-
up
Monitoring the Start-
up
Maintenance System Checking
Maintenance System Checking
ESB Switch
Checking
ESB Switch
Checking
SW version verifyingSW version
verifying
Copying additional SW and
setting time zone
Copying additional SW and
setting time zone
I/O System CheckingI/O System
Checking
EMB CheckingEMB
Checking
Clock Equipment
Check
Clock Equipment
Check
Hardware Configuration Checking
Hardware Configuration Checking
1 2 3 4
8 7 65
9 1011
• Compare HW Configuration with
Hardware list in the site specific
document
• Print the HW configuration can
be done using the command:
ZWTI:J;ZWTI:J;
ZWTI:C;ZWTI:C;
ZWTI:U;ZWTI:U;
ZWTI:P;ZWTI:P;
• Or, if using the printer, can use
the command:
ZWTI::,LPT0;
Hardware Configuration
Checking
Hardware Configuration
Checking77
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Step 8 – Maintenance System Checking
Checking the HWChecking
the HW
Opening the first MML Session
Opening the first MML Session
Monitoring the Start-
up
Monitoring the Start-
up
Maintenance System Checking
Maintenance System Checking
ESB Switch
Checking
ESB Switch
Checking
SW version verifyingSW version
verifying
Copying additional SW and
setting time zone
Copying additional SW and
setting time zone
I/O System CheckingI/O System
Checking
EMB CheckingEMB
Checking
Clock Equipment
Check
Clock Equipment
Check
Hardware Configuration Checking
Hardware Configuration Checking
1 2 3 4
8 7 65
9 1011
• Testing the alarm system
- Wired alarms
- External alarms
- Alarm output
• Testing the recovery from power breaks
- From power break in the system
- From power break in the PDFU
- Fuse fault in the the supply cable
• Plug in Unit tests:- State transitions
- Unit Diagnostics
- Spare Unit
Maintenance System
Checking
Maintenance System
Checking88
Reference: Commissioning BSC3i (DN02199145, issue 6-1) section 9 on Nokia BSC3i, Rel. S13, Site Documentation, v.3
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Step 9 – ESB Switch Checking
Checking the HWChecking
the HW
Opening the first MML Session
Opening the first MML Session
Monitoring the Start-
up
Monitoring the Start-
up
Maintenance System Checking
Maintenance System Checking
ESB Switch
Checking
ESB Switch
Checking
SW version verifyingSW version
verifying
Copying additional SW and
setting time zone
Copying additional SW and
setting time zone
I/O System CheckingI/O System
Checking
EMB CheckingEMB
Checking
Clock Equipment
Check
Clock Equipment
Check
Hardware Configuration Checking
Hardware Configuration Checking
1 2 3 4
8 7 65
9 1011
• Local reset and the Hotswapbutton
• Built-in self test
ESB Switch Checking
ESB Switch Checking
99
Reference: Commissioning BSC3i (DN02199145, issue 6-1) on Nokia BSC3i, Rel. S13, Site Documentation, v.3
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Step 9 – ESB Switch CheckingLocal reset and the Hotswap button in the ESB switch
• The ESB switches are located in the MCMU and LANU units.
• The ESB switch can be disconnected without switching the power off from other PIUs in the MCMU or LANU.
The tests are:
1. Local reset and the Hotswap button in the ESB switch
– Check the Operation Indicator.▪ Green indicates that the unit is operational.
▪ Red is lit during the power up and in fault conditions.
▪ Blinking, it means that no image software is loaded.
▪ No light, it means that the power is off.
– Perform the local restart (press reset button) and the hotswap.
– Repeat for each ESB
ESB24
The ESB switch gets power from the MCMU or LANU unit. The ESB switch can be disconnected without switching the power off from other PIUs in the MCMU or LANU.
Steps
Expand/collapse all
Check the Operation Indicator.
The Operation Indicator (OPR) is a single two-colour led (green/red) in the front panel of the ESB switch.
Explanations on the indicator light:
Green indicates that the unit is operational.
Red is lit during the power up and in fault conditions.
If the light is blinking, it means that no image software is loaded.
If there is no light, it means that the power is off.
Green is the default colour for the OPR.
Perform the local restart and the hotswap.
To perform the hotswap, press the Hotswap reset button (RST) twice within two seconds before removing the card. The power is turned off for 20 seconds, during which the card can be removed safely.
Set the ESB switch.
Set the ESB switch back to its position. The OPR should be first red and after a while change to green.
Repeat steps 1 to 3 with every ESB switch.
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Step 9 – ESB Switch CheckingChecking the built-in self test of the ESB24-D switch
2. Checking the built-in self test of the ESB24-D switch
• The ESB26 switch uses the Command Line Interface (CLI) for communication
• Configure the terminal (PC)
• Open the ESB26 switch service terminal sessionUser Access VerificationPassword:SWU-0>
• Check the built-in self test : SWU-0>enableSWU-0#self-test
• Check the boot and software version.SWU-0#reload
• Repeat with every ESB switch.
X on/ X offFlow control
NoneParity
1Stop bits
8Data bits
9600Baud rate
nsn-switch
ESB24
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Step 9 – ESB Switch CheckingExample of checking the built-in self test of the ESB24-D switch
User Access Verification
Password:
SWU-0>
SWU-0>enable
SWU-0#self-test
CPU Core Test :
CPU Validation - Passed
CPU Notify RAM Test :
RAM Validation - Passed
CPU Interface Test :
UART Existence - Passed
Testing Switch Core :
Crossbar Existence - Passed
Data Buffer Test :
Boot Loader Image Validity - Passed
Application Image Validity - Passed
Startup Configuration Validity - Passed
Script File System Validity - Passed
PROM Device Access Validity - Passed
On-board Power Test :
On-board Power PHY - Passed
On-board Power CPU - Passed
On-board Power OC - Passed
Temperature Test :
Temperature - Passed
SWU-0#reload
Save current configuration and reboot the Switch ? [y/n] : y
Building the configuration ...
Rebooting ...
Press any key to stop auto-boot...
0
Verifying validity of primary application.....OK
Start primary application...
BUILT-IN SELF TEST
------------------
CPU Core Test : Passed
CPU Notify RAM Test : Passed
CPU Interface Test : Passed
Testing Switch Core : Passed
Data Buffer Test : Passed
On-board Power Test : Passed
//////////////////////////////////////////////////////////////// ///////
// //
// N O K I A //
// //
// //
// Switch model : NOKIA ESB26 //
// SW version : 3.13.1.4 created Mar 7 2005 - 13:30:39 //
// //
////////////////////////////////////////////////////////////////////////
User Access Verification
Password:
nsn-switch
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Step 9 – ESB Switch CheckingFlexi BSC LAN topology
• The Flexi BSC (BSC3i 3000) contains BCSUs 0 - 6 and SWUs 0 - 5.
• SWU-0 & SWU-1 are used for CPULAN
• SWU-2,3,4 and 5 are used for PCULAN
• SWU-60 & 61 are used for EMB
SWU = Switching unit is the generic name for the L2 Ethernet switch plug-in unit integrated into the BSC3i
LANU =The LAN Switching Unit hosts the SWUs for CPULANs and
PCULAN = Packet Control unit LAN
CPULAN = Computer Processor Unit LAN
CPRJ45-A = LAN Connector Panel for RJ45 connectors.
LDI = Lan Device Integration
VRRP = Virtual Router Redundance Protocol
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Step 9 – ESB Switch CheckingFlexi BSC CPULAN topology, CNW and EMB
LAN Topology T5 (Flexi BSC First Delivery)
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Step 9 – ESB Switch CheckingFlexi BSC PCULAN topology (3/4)
LAN Topology T5 (Flexi BSC First Delivery)
for SWU-2 & SWU-3
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Step 9 – ESB Switch CheckingFlexi BSC PCULAN topology (4/4)
LAN Topology T5 (Flexi BSC First Delivery)
for SWU-4 & SWU-5
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Step 10 – SW version Verifying
Checking the HWChecking
the HW
Opening the first MML Session
Opening the first MML Session
Monitoring the Start-
up
Monitoring the Start-
up
Maintenance System Checking
Maintenance System Checking
ESB Switch
Checking
ESB Switch
Checking
SW version verifyingSW version
verifying
Copying additional SW and
setting time zone
Copying additional SW and
setting time zone
I/O System CheckingI/O System
Checking
EMB CheckingEMB
Checking
Clock Equipment
Check
Clock Equipment
Check
Hardware Configuration Checking
Hardware Configuration Checking
1 2 3 4
8 7 65
9 1011 •• Printout all SW packages:Printout all SW packages:
ZWQO;
•• Verify all SW packagesVerify all SW packages
ZWQB;
•• Or, print to the printer using:Or, print to the printer using:
ZWQO::,LPT0;
ZWQB::,LPT0;
SW version verifying
SW version verifying
1010
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Step 10 – SW version Verifyingexample
MAIN LEVEL COMMAND <___>< ZWQO:CR;
LOADING PROGRAM VERSION 14.13-0
PACKAGES CREATED IN OMU:
SW-PACKAGE STATUS DIRECTORY ENVIRONMENT DEF ACTPACKAGE-ID (REP-ID) DELIVERY
CD-ID
FB090623 FB FB090623 SE 1.25-0 - Y SE 1.25-0 1 CIDE00SX 1.13-0
SEPI0100
SEPI0200 BU FB090617 SE 1.25-0 Y Y SE 1.25-0 2 CIDE00SX 1.13-0
SEPI0200
SETEST NW ASE_1_25_0 SE 1.25-0 - Y SE 1.25-0 1 CIDE00SX 1.13-0
SEPI0100
S14REL UT ASE_1_25_0 SE 1.25-0 - N SE 1.25-0 CIDE00SX 1.13-0
FB090506 UT FB090506 SE 1.25-0 - Y SE 1.25-0 1 CIDE00SX 1.13-0
SEPI0100
FBFIRST UT FB_050509 SE 1.25-0 - Y SE 1.25-0 CIDE00SX 1.13-0
FB090617 UT FB090617 SE 1.25-0 - N SE 1.25-0 1 CIDE00SX 1.13-0
SEPI0100
COMMAND EXECUTED
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Step 11 – Copying additional SW and Setting Time Zone
Checking the HWChecking
the HW
Opening the first MML Session
Opening the first MML Session
Monitoring the Start-
up
Monitoring the Start-
up
Maintenance System Checking
Maintenance System Checking
ESB Switch
Checking
ESB Switch
Checking
SW version verifyingSW version
verifying
Copying additional SW and
setting time zone
Copying additional SW and
setting time zone
I/O System CheckingI/O System
Checking
EMB CheckingEMB
Checking
Clock Equipment
Check
Clock Equipment
Check
Hardware Configuration Checking
Hardware Configuration Checking
1 2 3 4
8 7 65
9 1011
• Insert the Customer Specific disk to the BSC3i magneto-optical drive
• Copy the diskette (IWY, IBC).
• Install the Change Deliveries.
• Set the time zone (DCE).
• Change the clock to summer time/standard time (DCT).
• Restart the system (USS)
Copying additional SW
and setting time zone
Copying additional SW
and setting time zone 1111
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Fault Handling in Flexi BSC Commissioning
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Objectives
Handle the basic faults encountered during BSC commissioning procedureDisplay the alarm printouts, run diagnostics and obtain reports on request from a supporting BSC expert.
Instructional Notes
The objectives in this module support the actual activity of fault handling during commissioning the BSC. This module has a significant practical element.
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BSC3i Commissioning Procedure
Checking the HW
Checking the HW
Opening the first MML Session
Opening the first MML Session
Monitoring the Start-upMonitoring the Start-up
Maintenance System
Checking
Maintenance System
Checking
ESB Switch Checking
ESB Switch Checking
SW version verifying
SW version verifying
Copying additional SW
and setting time zone
Copying additional SW
and setting time zone
I/O System Checking
I/O System Checking
EMB Checking
EMB Checking
Clock Equipment
Check
Clock Equipment
Check
Hardware Configuration
Checking
Hardware Configuration
Checking
New New procedure in procedure in S.12S.12
11 22 33 44
88 77 66 55
99 1010 1111
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BSC Fault Handling
?
Question: When carrying out the commissioning procedures what types of
faults might you encounter?
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Typical BSC Commissioning Faults
Incorrect cabling of BSC
Faulty Plug in unit
Peripherals not connected correctly
Software versions not correct
Power failure
Software load failure of CPU
Incorrect unit states
Wrong EPROM versions
PIU links not set correctly
PIU inserted in the wrong place
Faulty backplane or connector(s)
Damage from ESD
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Identifying BSC Commissioning Faults
??
Question: How will you know that a fault exists during the commissioning
process?
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BSC Fault Handling Diagnostic Tools
!• Plug in Unit LEDs
• Man Machine Interface (MMI)
• Service Terminal Emulator (RCBUGG)
• Man Machine Language (MML)
• Alarm printouts
• Run diagnostics
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Processor CP816-A LED Diagnostics
WO green in working state
RUN green operating normally
P0 (ET0) yellow LAN0 is active
P1 (ET1) yellow LAN1 is active
TE yellow in test state (TE).
LE red Software Control LED.
P2 (ET2) yellow LAN2 is active
P3 (ET3) yellow LAN3 is active
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BSC Fault Handling Diagnostic Tools
• LEDs
• MMI Information
• Check Alarm Printouts
• Run Diagnostics
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BSC Fault Handling Practical Exercise