Download - Mini-link Tn Etsi Technical
Transmission & Transport Networks1
4/22109-FGC 101 190/1 Uen Rev.B
MINI-LINK TN ETSI Technical
Transmission & Transport Networks2
4/22109-FGC 101 190/1 Uen Rev.B
Our product offering
MINI-LINK BAS
MINI-LINK TN
MINI-LINK E
MINI-LINK HC
Partner products
MINI-LINK Management
Transmission & Transport Networks3
4/22109-FGC 101 190/1 Uen Rev.B
MINI-LINK TNApplications
Mobile networks
1st mile broadband access
2nd mile broadband access
Transmission & Transport Networks4
4/22109-FGC 101 190/1 Uen Rev.B
MINI-LINK TN
• Functionality Overview– Microwave radio function
– Traffic routing function
– Circuit Management
– STM-1 Terminal Multiplexer function
– Ethernet function
– Protection mechanisms
– Synchronization
– Co-siting function
– Operation & Maintenance
– Data Communication Network
– Management Tools
• Product Overview
Transmission & Transport Networks5
4/22109-FGC 101 190/1 Uen Rev.B
MINI-LINK TN
Microwave radio function
C-QPSK
16 QAM
128 QAM*
* In combination with MINI-LINK HC indoor unit
2-16xE1
4-32xE1
64xE1*
23 GHz26 GHz28 GHz32 GHz 38 GHz
7 GHz8 GHz
13 GHz15 GHz18 GHz
Transmission & Transport Networks6
4/22109-FGC 101 190/1 Uen Rev.B
MINI-LINK TN
Microwave radio function
2-16xE1
4-32xE1
64xE1*
Capacity and modulation agile radios
• One radio - 4 to 155 Mbit/s
• One radio - 4 to 128 QAM
Easy upgrades & logistics
* In combination with MINI-LINK HC indoor unit
Transmission & Transport Networks7
4/22109-FGC 101 190/1 Uen Rev.B
• 19 modems per subrack in AMM 20p
• 5 modems per subrack in AMM 6p
• 2 modems per subrack in AMM 2p
• Software configurable traffic capacity
MINI-LINK TN
Microwave radio function
Transmission & Transport Networks8
4/22109-FGC 101 190/1 Uen Rev.B
• Cross connection at 2Mbit/s level
• 400 E1 ports non blocking switching capacity, full duplex
• Software-controlled from management system
• Hardware redundant switching function
nxE1
MINI-LINK TN
Traffic routing function
Transmission & Transport Networks9
4/22109-FGC 101 190/1 Uen Rev.B
MINI-LINK TN
Traffic routing function
Conventional solution
Transmission & Transport Networks10
4/22109-FGC 101 190/1 Uen Rev.B
Up to 70% size reduction
MINI-LINK TN
Traffic routing function
MINI-LINK TN
Transmission & Transport Networks11
4/22109-FGC 101 190/1 Uen Rev.B
• Enables full benefits of MINI-LINK TN’s traffic handling capabilities
• Highly efficient Operation and Maintenance
• Integrated network planning, test & design tools
• Continuous performance monitoring
• Connections handled by world-class manager
MINI-LINK TN
Circuit Management
Transmission & Transport Networks12
4/22109-FGC 101 190/1 Uen Rev.B
• Visibility of all media
• Fault management on trunk level
• Fault management on circuit level
• Fault reporting with all network details
• Automatic circuit routing by selecting the end points only
• Facilitates changes in circuit capacity and end point relations
MINI-LINK TN
Circuit Management
Operation and maintenance
Transmission & Transport Networks13
4/22109-FGC 101 190/1 Uen Rev.B
• Excellent support for network planning
• Build and route traffic for future expansions using the existing network information
• Test automatic recovery
• Perform transmission analysis
• Continuous performance monitoring
• Complete fault history
MINI-LINK TN
Circuit Management
Network design and planning
Ask the database how traffic can be routed
Continous performance monitoring
Transmission & Transport Networks14
4/22109-FGC 101 190/1 Uen Rev.B
Efficient interface between optical and microwave network
• Terminates full STM-1 payload
• Electric and optical interfaces
• MSP 1+1 for equipment and line protection
W E
SDH ADM
MINI-LINK TN
STM-1 Terminal Multiplexer function
Transmission & Transport Networks15
4/22109-FGC 101 190/1 Uen Rev.B
• One management system to manage the complete site
• One installation team for the complete site
MINI-LINK TN
STM-1 Terminal Multiplexer function
Complete MINI-LINK microwave solution for 155 Mbit/s
Transmission & Transport Networks16
4/22109-FGC 101 190/1 Uen Rev.B
• Broadband to everyone
• Easy to make money
• Proven product
ADSL
RSS
Fiber/CWDM
ADSL
WDSLPublic WLAN
DSLAM
RSS
MINI-LINK TN
Ethernet function
Transmission & Transport Networks17
4/22109-FGC 101 190/1 Uen Rev.B
• Capacity flexibility – 2-34 Mbit/s
– 2 Mbit/s increments
• Carrier class Ethernet – Low Delay, 1-2ms
– High throughput with small packages
– Priority queuing (optional)
• Transparent Ethernet transport– Transparent for VLAN tags
– No MAC address filtering
• Powerful Management
MINI-LINK TN
Ethernet function
Transmission & Transport Networks18
4/22109-FGC 101 190/1 Uen Rev.B
MINI-LINK TN
Ethernet function
• Ethernet bridge according to IEEE 802.1D with exception for self learning bridge and spanning tree
• Support for auto-negotiation of speed and duplex according to IEEE 802.3u
• Support for flow control according to IEEE 802.3x
• Auto MDI-MDIX (switching of Rx and Tx)
• Shielded RJ45 connectors with LEDs for network link, activity and rate selection
Transmission & Transport Networks19
4/22109-FGC 101 190/1 Uen Rev.B
Redundant system architecture Separate traffic and control system
Ring protection; 1+1 E1 SNCP(media independent)
Microwave Propagation protection(Hot-/working standby)
MINI-LINK TN
Protection
Line & equipment protection(1+1 E1 SNCP; MSP 1+1; Microwave 1+1)
Transmission & Transport Networks20
4/22109-FGC 101 190/1 Uen Rev.B
• Physical link and equipment protection
• Hot or working standby
MINI-LINK TN
Protection
1+1 Microwave radio protection
Switch function Switch function
MINI-LINK EMINI-LINK TN
2-17xE1
Modem function Modem function
Modem functionModem function
Transmission & Transport Networks21
4/22109-FGC 101 190/1 Uen Rev.B
MINI-LINK TN
Protection
MSP 1+1
• Physical link and equipment protection
• Uni-directional
• Permanently bridged
• Non-revertible
Controller Detected failures
STM-1 plug-in unit
STM-1 plug-in unit SDHequipmentwith MSP 1+1
63xE1
Passive STM-1
Active STM-1
Local equipmentfailures
Externalcommands
Transmission & Transport Networks22
4/22109-FGC 101 190/1 Uen Rev.B
• Network layer protection on E1 level
• Physical link and equipment protection
• Signal is transmitted on two interfaces, receiver chooses the best of the two
• Switches on signal failure
MINI-LINK TN
Protection
1+1 E1 SNCP
Working
Standby
Subnetwork
MINI-LINK TN
Transmission & Transport Networks23
4/22109-FGC 101 190/1 Uen Rev.B
• Microwave rings of 17xE1, 32xE1 and 64xE1 capacity
• Media independent
• Support for asymmetric ring capacity
• Independent of MSP1+1 and 1+1 microwave protection
MINI-LINK TN
Protection
1+1 E1 SNCP – Ring Application
nxE1
nxE1
PDH or SDHMicrowave
1+1 E1 SNCP
1+1 E1 SNCP
Working connection
Standby connection
Transmission & Transport Networks24
4/22109-FGC 101 190/1 Uen Rev.B
• Redundant power bus and power supply
• Redundant traffic buses
• Separate traffic- and control system– Tolerance for control system faults.
– Hot insert/Hot swap of plug-in units
– Software upload without disturbing traffic
MINI-LINK TN
Protection
Protected System Architecture
Transmission & Transport Networks25
4/22109-FGC 101 190/1 Uen Rev.B
SDH network
• PDH– Unstructured E1 circuits with
independent timing
• SDH– E1s are mapped into VC12s at each Terminal
Multiplexer using asynchronous mapping
– MINI-LINK TN complies to G.825 for all jitter/wander requirements
– When building networks with MINI-LINK TN and MINI-LINK HC, local oscillator and loop timing is used Local oscillator
Loop timingLocal oscillator
Loop timing
Loop timing
Loop timing
Local oscillator
MINI-LINK TN
Synchronization
MINI-LINK TN
MINI-LINK TN
MINI-LINK TN
Transmission & Transport Networks26
4/22109-FGC 101 190/1 Uen Rev.B
• Traffic interfaces : E1(x2); E2(x2); E3+E1
• DCN output ports: E0(x2)
• Terminal server: V.24
MINI-LINK TN
Co-siting function
Co-siting function
E0 (x2)E1 (x2)E2 (x2)E3 (x1)
Modem function
MINI-LINK EMINI-LINK TN
Transmission & Transport Networks27
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MINI-LINK TN
Operation & Maintenance
• Fault management
• Configuration management
• Performance management
• Software management
• Equipment handling
• Loop functions
• Bit Error Rate Testing
Transmission & Transport Networks28
4/22109-FGC 101 190/1 Uen Rev.B
• All hardware and software is monitored
• Errors are mapped down to faulty replaceable unit
Fault Management/Fault localization
MINI-LINK TN
Operation & Maintenance
Transmission & Transport Networks29
4/22109-FGC 101 190/1 Uen Rev.B
Green LED = Power OnRed LED = Faulty unitYellow LED = Plug-in unit ready for removal
Fault Management/LED:s
MINI-LINK TN
Operation & Maintenance
Plug-in unit front
All plug-in units have a Board Removal Switch (BRS) for controlled removal.
Transmission & Transport Networks30
4/22109-FGC 101 190/1 Uen Rev.B
• 3 user input– Configurable to normal open or normal closed
• 3 user output– Both normal open or normal closed available
– Can be set manually by management system or configured to map to a given alarm severity
Fault Management/User I/O
MINI-LINK TN
Operation & Maintenance
MINI-LINK TN
Input to MINI-LINK TN
MINI-LINK Manager
Transmission & Transport Networks31
4/22109-FGC 101 190/1 Uen Rev.B
• Performed in Embedded Element Manager or by using SNMP interface
– Transmission interface parameters
– Traffic routing
– Traffic protection
– DCN configuration
– User I/O configuration
– Security parameters
• Configuration is stored non-volatile on MINI-LINK TN
• Configuration can be backed up and restored from FTP server
Configuration Management
MINI-LINK TN
Operation & Maintenance
Transmission & Transport Networks32
4/22109-FGC 101 190/1 Uen Rev.B
• Measurements according to ITU G.826
• 15 minutes and 24 hours current intervals
• 1x24 hours previous and 96x15 minutes intervals
• Configurable thresholds for current PM data. Crossing of the thresholds is reported as alarms
Performance Management
MINI-LINK TN
Operation & Maintenance
Transmission & Transport Networks33
4/22109-FGC 101 190/1 Uen Rev.B
• MINI-LINK TN software can be upgraded while in operation (without disturbing traffic)
• Software download can be done on site or from the O&M center
• FTP is used to transfer software
• New plug-in units are upgraded automatically if they have incorrect software revisions
Software Management
MINI-LINK TN
Operation & Maintenance
Transmission & Transport Networks34
4/22109-FGC 101 190/1 Uen Rev.B
• Plug-in units can be inserted, swapped and removed while in operation
• When changing a circuit board for repair, the new board automatically receives the configuration of the old board
• Equipment fault management with supervision of temperature, power, fan, system buses and processes
Equipment Handling
MINI-LINK TN
Operation & Maintenance
Transmission & Transport Networks35
4/22109-FGC 101 190/1 Uen Rev.B
• The temperature of all circuit boards is monitored with sensors
• Two levels of temperature violations– High temperature threshold shuts down
the circuit board’s control software without disturbing the traffic
– Excessive temperature threshold shuts down the entire circuit board
• Alarm notification on temperature violations
Equipment Handling/Temperature Monitoring
MINI-LINK TN
Operation & Maintenance
Excessive temp.thresholdExcessive temp.
Normal temp.
High temp.
Temp.
Temp.SupervisionHysteresis High temp.
threshold
Transmission & Transport Networks36
4/22109-FGC 101 190/1 Uen Rev.B
MINI-LINK TN
Plug-in unit
Bit Error Rate Tester (BERT)
MINI-LINK TN
Operation & Maintenance
BERT
• ITU standard O.151
• Replaces external line testers
• Enables system verification
• Remote activation/de-activation
• One BERT (E1) per Plug-In Unit
Transmission & Transport Networks37
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MINI-LINK TNMINI-LINK TN
AIS
Transmission link
Loop functions/Line Loop
MINI-LINK TN
Operation & Maintenance
BERT
AIS-Alarm Indication SignalPlug-in unit
Transmission & Transport Networks38
4/22109-FGC 101 190/1 Uen Rev.B
AIS
MINI-LINK TNMINI-LINK TN
Transmission link
Loop functions/Local Loop
MINI-LINK TN
Operation & Maintenance
BERT
Plug-in unit
Transmission & Transport Networks39
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MINI-LINK TNMINI-LINK TN
Transmission link
Loop functions/Connection Loop
MINI-LINK TN
Operation & Maintenance
BERT
Plug-in unit
AIS
Transmission & Transport Networks40
4/22109-FGC 101 190/1 Uen Rev.B
• IP based DCN
• SNMP v1, v2, v3
• IP router integrated in every node supporting OSPF
• IP over unnumbered PPP over radio hop and SDH overhead channels
• Automatic set up of DCN channels MINI-LINK TN terminal server functionality for access to MINI-LINK E sub-networks
MINI-LINK TN
Data Communication Network
Transmission & Transport Networks41
4/22109-FGC 101 190/1 Uen Rev.B
MINI-LINK Manager
Ethernet or 2Mbit/s connection
MINI-LINK E, (cluster)
MINI-LINK TN
MINI-LINK HC
Multiplexer/Repeater section
MINI-LINK TN
MINI-LINK TN
Data Communication Network
128 kbit/s connection
1.2 kbit/s connection
Transmission & Transport Networks42
4/22109-FGC 101 190/1 Uen Rev.B
• Unnumbered IP interfaces– Less IP addresses consumed
– Ethernet and PPP interfaces inherit the default IP address for the node
– Simple planning of IP addresses
– Less manual configuration
• Numbered IP interfaces– Provided when advanced OSPF
routing functions are needed
– Set-up using standardized Command Line Interface (CLI)
MINI-LINK TN
Data Communication Network
Internal OSPF router/Default IP Address
MINI-LINK TNDCN Router
Default IP Address/OSPF Area
PPP interface
PPP interface
PPP interface
Ethernet interface
PPP interface
Inherits thedefault IPaddress
Transmission & Transport Networks43
4/22109-FGC 101 190/1 Uen Rev.B
• DCC Radio Terminal – 128 kbit/s to MINI-LINK TN (automatically set up)
– 1.2 kbit/s to MINI-LINK E
• DCC STM-1– Default bandwidth automatically established to 192 kbit/s in RSOH/MSOH
– Configurable to 384/576 kbit/s in RSOH/MSOH
– Automatically set-up between nodes
• DCC E1 – One unstructured E1 used for DCN
– This PPP channel has to be established manually.
• DCC 2x64 kbit/s
MINI-LINK TN
Data Communication Network
Internal OSPF router/Serial Interfaces PPP
Transmission & Transport Networks44
4/22109-FGC 101 190/1 Uen Rev.B
• 10 Base-T
• Shielded 8-pin RJ45
MINI-LINK TN
Data Communication Network
Internal OSPF router/Ethernet Interface
Transmission & Transport Networks45
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DNS-DHCP
LCT
Ethernet
DCN Services (Optional)
MINI-LINK TN
Data Communication Network
10 Base-T
MINI-LINK TN
NTPFTP
IP DCN
Transmission & Transport Networks46
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Local on-site management
Embedded Element Manager
Centralised Management
MINI-LINK Manager/MINI-LINK Connexion
Northbound management interfaces to existing systems
SNMP
MINI-LINK TNMINI-LINK Management philosophy
Transmission & Transport Networks47
4/22109-FGC 101 190/1 Uen Rev.B
• Fault Management
• Performance Management
• Configuration Management
• Inventory Management
• Remote Software Upgrade
• Security Management
• System Administration
MINI-LINK TNCentralized Management
Efficient tools for management on node and circuit level
Transmission & Transport Networks48
4/22109-FGC 101 190/1 Uen Rev.B
MINI-LINK Manager - Common platform for microwave transmission
MINI-LINK TNCentralized Management
• Single point of entry for all Ericsson microwave products
• Integration of circuit alarm information from MINI-LINK Connexion
• High network availability
• Fast and accurate information
• Grow as network expands
Transmission & Transport Networks49
4/22109-FGC 101 190/1 Uen Rev.B
• Network Editor - Build and display network elements graphically
• Network Router - Create and manage circuits throughout the network
• Circuit simulator - Simulates alternative routes and topologies
• Fault Manager - Fault monitoring, reporting and filtering services
• Performance Manager - Provides information on availability and network load
• Macro Manager - Enables faster repetitive actions
MINI-LINK TNCentralized Management
MINI-LINK Connexion
Transmission & Transport Networks50
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MINI-LINKManager
MINI-LINKManager
Network Element Management
MINI-LINK Connexion
Network Element Management
Circuit ConnectionManagement
Standard configuration• One or several workstations (HW)• One or several servers (HW)• RTU/RTC (SW)
MINI-LINK Connexion
Circuit ConnectionManagement
MINI-LINK TNCentralized Management
MINI-LINK Manager
Minimum configuration• One workstation/server (HW)• RTU/RTC (SW)
Transmission & Transport Networks51
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MINI-LINKManager
MINI-LINKManager
Network Element Management
Minimum configuration• One workstation/DB server (HW)• One Com server(HW)• RTU/RTC (SW)• Up to 25 MINI-LINK TN
MINI-LINK Connexion
Network Element Management
Standard configuration• One workstation (HW)• Two servers, Com and DB (HW)• RTU/RTC (SW)• Up to 500 MINI-LINK TN
MINI-LINK Connexion
Circuit ConnectionManagement
MINI-LINK TNCentralized Management
MINI-LINK Connexion
Circuit ConnectionManagement
Transmission & Transport Networks52
4/22109-FGC 101 190/1 Uen Rev.B
• Industry standard SNMP interface supporting v1, v2, v3
• Available in network elements as well as from MINI-LINK Manager
• A management option when using own integrated management systems
• Active alarm list and notification log for synchronization with management system
SNMP traps
SNMP get Notification log and current alarm list
SNMP
NMS
MINI-LINK TN
Northbound Management interfaces
Transmission & Transport Networks53
4/22109-FGC 101 190/1 Uen Rev.B
• EEM is accessed with standard web browser
– Installation and configuration
– Fault location
– Performance Management
– Local software upgrade
– Launch of MSM for radio management of MMU2 and SMU2
• CLI Interface: Industry-standard configuration of the DCN router
Embedded Element ManagerLCT
MINI-LINK TN
EEM
MINI-LINK TN
Local Management
Transmission & Transport Networks54
4/22109-FGC 101 190/1 Uen Rev.B
MINI-LINK TN
• Functionality Overview– Microwave radio function
– Traffic routing function
– Circuit Management
– STM-1 Terminal Multiplexer function
– Ethernet function
– Protection mechanisms
– Synchronization
– Co-siting function
– Operation & Maintenance
– Data Communication Network
– Management Tools
• Product Overview
Transmission & Transport Networks55
4/22109-FGC 101 190/1 Uen Rev.B
• Magazine height 44 mm
• Two full height slot positions for modems
• Mandatory configuration includes AMM 2p magazine and NPU2
• Fan unit required in certain scenarios
MINI-LINK TN
Hardware components
AMM 2p / AMM 6p / AMM 20p / Plug-in Units / Accessories
Transmission & Transport Networks56
4/22109-FGC 101 190/1 Uen Rev.B
Node Processor Unit for AMM 2p (NPU2)
• Centralized node processor with DCN router, SNMP Master Agent etc.
• E1 interfaces for connection to co-located BTS
• 10/100 BASE-T Ethernet interface for management and traffic
• USB interface for local maintenance
MINI-LINK TN
Hardware components
AMM 2p / AMM 6p / AMM 20p / Plug-in Units / Accessories
10/100 BaseT
4x2 Mbit/s (120ohm)
+24/-48 VDC
USB
Transmission & Transport Networks57
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MINI-LINK TN
Hardware components
E1 Line Termination Unit (LTU 12x2)
• Used for additional E1s when NPU2 (4E1s) is insufficient
• 12xE1 interfaces, 120 Ohm G.703
AMM 2p / AMM 6p / AMM 20p / Plug-in Units / Accessories
4x2 Mbit/s (120ohm)
4x2 Mbit/s (120ohm)
4x2 Mbit/s (120ohm)
Leds
Transmission & Transport Networks58
4/22109-FGC 101 190/1 Uen Rev.B
• Magazine height: 150 mm
• Two half height positions for power and fan unit
• One full height slot dedicated for node processor
• Five full height slot positions for any plug-in unit
• Mandatory configuration includes AMM 6p magazine, NPU1, PFU2 and FAU2
MINI-LINK TN
Hardware components
AMM 2p / AMM 6p / AMM 20p / Plug-in Units / Accessories
Transmission & Transport Networks59
4/22109-FGC 101 190/1 Uen Rev.B
Power Filter Unit 2 (PFU2)
• -48V DC input on PFU2
• +24V DC via external converter
• Redundant power unit available
Fan Unit (FAU2)
• Integrated fan unit for AMM 6p
MINI-LINK TN
Hardware components
AMM 2p / AMM 6p / AMM 20p / Plug-in Units / Accessories
Transmission & Transport Networks60
4/22109-FGC 101 190/1 Uen Rev.B
• Magazine height: 300mm
• Two half height positions for protected or unprotected power
• One full height slot dedicated for node processor
• Nineteen full height positions for any plug-in unit
• Mandatory configuration includes AMM 20p magazine, NPU1 and PFU1
MINI-LINK TN
Hardware components
AMM 2p / AMM 6p / AMM 20p / Plug-in Units / Accessories
Transmission & Transport Networks61
4/22109-FGC 101 190/1 Uen Rev.B
Fan Unit 1 (FAU1)
• Used for cooling in the AMM 20p
• Three fans for redundancy
• Two power interfaces for redundancy
• Alarm interface towards PFU1
MINI-LINK TN
Hardware components
AMM 2p / AMM 6p / AMM 20p / Plug-in Units / Accessories
Transmission & Transport Networks62
4/22109-FGC 101 190/1 Uen Rev.B
Power Filter Unit 1 (PFU1)
• Half size to accommodate two units in one full-height position
• Two PFU1s configured for redundancy
• Alarm interface towards FAU1
• -48V DC input on PFU1
• +24V DC via external converter
MINI-LINK TN
Hardware components
AMM 2p / AMM 6p / AMM 20p / Plug-in Units / Accessories
Transmission & Transport Networks63
4/22109-FGC 101 190/1 Uen Rev.B
Node Processor Unit for AMM 6p/AMM 20p (NPU 8x2)
• Centralized node processor with DCN router, SNMP Master Agent etc.
• 10 BASE-T Ethernet interface for management
• E1 interfaces for local add-drop
• User In-/Output signals
MINI-LINK TN
Hardware components
AMM 2p / AMM 6p / AMM 20p / Plug-in Units / Accessories
Transmission & Transport Networks64
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MINI-LINK TN
Hardware components
Modem Unit (MMU2)
• C-QPSK modulation
• Software-configurable capacity; 4-34 Mbit/s
• Compatible over the air with MINI-LINK E
• 1+1 protection via SMU2
AMM 2p / AMM 6p / AMM 20p / Plug-in Units / Accessories
Transmission & Transport Networks65
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MINI-LINK TN
Hardware components
Modem Unit (MMU2 C)
• C-QPSK/16 QAM modulation agilitiy
• Software-configurable capacity; 8-64 Mbit/s
• Compatible over the air with MINI-LINK E*
• 1+1 protection without SMU2
AMM 2p / AMM 6p / AMM 20p / Plug-in Units / Accessories
* In C-QPSK mode
Transmission & Transport Networks66
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MINI-LINK TN
Hardware components
Switch Multiplexer Unit (SMU2)
• Triple function plug-in unit
• Two MMU2s and one SMU2 for 1+1 protection
• External channelized 34 Mbit/s interfaces
• Co-siting interfaces with MINI-LINK E
AMM 2p / AMM 6p / AMM 20p / Plug-in Units / Accessories
Transmission & Transport Networks67
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MINI-LINK TN
Hardware components
AMM 2p / AMM 6p / AMM 20p / Plug-in Units / Accessories
E1 Line Termination Unit (LTU 16x2)
• Used for additional E1s when NPU 8x2 is insufficient
• 16xE1 interfaces, 120 Ohm G.703
Transmission & Transport Networks68
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MINI-LINK TN
Hardware components
STM-1 Line Termination Unit (LTU 155)
• Terminal multiplexer function
• 63xVC12s terminated to E1s
• MSP1+1 protection
• LTU 155 e/o and LTU 155 e
AMM 2p / AMM 6p / AMM 20p / Plug-in Units / Accessories
Transmission & Transport Networks69
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MINI-LINK TN
Hardware components
Traffic termination/Pre-fabricated cables
• 120 Ohm, 6.0 meter pre-fabricated cables with one open end
• Connects direct to Sofix interfaces on NPUx/LTUx
• Easy way to connect to existing patch panels on site
AMM 2p / AMM 6p / AMM 20p / Plug-in Units / Accessories
Transmission & Transport Networks70
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MINI-LINK TN
Hardware components
Traffic termination/Interface panels
• Sofix interface conversion
• 120 Ohm/DSUB and 75 Ohm/SMZ
• Particularly useful for 75 Ohm applications
AMM 2p / AMM 6p / AMM 20p / Plug-in Units / Accessories
ICF1 120 Ohm for AMM 20p ICF2 120 Ohm for AMM 6p ICF16x2 120 Ohm for LTU16x2
Transmission & Transport Networks71
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MINI-LINK TN
Hardware components
Outdoor solution for AMM 2p/AMM 6
• Easy to install
• Reliable
• Flexible
AMM 2p / AMM 6p / AMM 20p / Plug-in Units / Accessories
Transmission & Transport Networks72
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6p
20p
2p
Magazines Plug-in units
• Power unit
• Node Processor
• Switch and co-siting interface
• Line Terminal Unit
• STM-1 Terminal Mux
• Modem Unit 4-34
• Modem Unit 8-64
MINI-LINK TN
Hardware components/Summary
Transmission & Transport Networks73
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MMU2 (Modem Unit)
SMU2 (Switch Multiplexer Unit)
LTU 16x2 (Line Termination Unit)
LTU 155 (Line Termination Unit)
NPU (Node Processor Unit)
PFU (Power Filter Unit)
MINI-LINK TN
Hardware components/Summary
Transmission & Transport Networks74
4/22109-FGC 101 190/1 Uen Rev.B
MINI-LINK TNMicrowave transmission from an end-to-end perspective
Nodes designed for networksAny frequency, capacity and modulation
Efficient Management SystemsFixed, mobile and broadband applications
CA
PA
CIT
Y
BSC/RNC
STM-4/16
155Mbit/s
Copper
Transmission & Transport Networks75
4/22109-FGC 101 190/1 Uen Rev.B
• Platform for next generation microwave networks
• Lower your network cost, while improving capacity and control
• Managed by MINI-LINK Manager
MINI-LINK TN
Summary