capacity plus sales training
DESCRIPTION
Capacity Plus Sales Training. Contents. What is Capacity Plus? Trunking capabilities Capacity Plus Capabilities Digital Features Supported Rest Slot function Data revert functionality Fault tolerance Programming Overview Programming logic Programming a system. What is Trunking?. - PowerPoint PPT PresentationTRANSCRIPT
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Capacity PlusCapacity PlusSales TrainingSales Training
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What is Capacity Plus?
•Trunking capabilities
•Capacity Plus Capabilities
•Digital Features Supported
•Rest Slot function
•Data revert functionality
•Fault tolerance
Programming Overview
•Programming logic
•Programming a system
Contents
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A trunking radio system differs from a conventional radio system in the way it shares channels between radios
• 1 channel to one or more groups of user
• Employs no logic in call handling
• Usually 1 call to 1 channel
(2 to 1 with MOTOTRBO digital)
• A trunking system shares a pool of channels
for a large number of users (talkgroups)
• Automatically assigns available channel to
requesting user
• Lowers probability that calls will be blocked
because an open channel will be found
easier
• Allows fewer channels to support larger
amounts of users
What is Trunking?
Conventional Trunking
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Channel
Channel
Channel
• Low complexity, low cost
• More efficient use of channels• Higher traffic density• Simple user operation
• automatic channel selection, call queuing
Channels
ConventionalChannels dedicated to talkgroups
TrunkingChannels Shared by Talkgroups
Convenmtional vs. Trunking
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What is Capacity Plus?
Increase in the capacity of MOTOTRBO systems!
•Single Site Trunking
•Up to 12 voice channels and 24 data revert slots
•Up to 1200 users
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• Single site trunking configuration
• Software ONLY design : NO CONTROLLER NEEDED
• Trunk up to 12 digital voice slots
• Dedicate up to 24 additional digital data revert slots
• Supports 255 Talk Groups
• 65,535 programmable radio IDs
• Capacity for up to 1200 active radios PLUS larger amounts of data
• Digital Feature Only
What is Capacity Plus?
Digital mode only!
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Off the Shelf3rd-party IP
switch
RDAC
12 dynamic voice/data channels
24 dedicated data channels
System Configuration
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Motorola provides a software application that allows a system
administrator the ability to monitor and control repeaters within the
system (analog or digital)
The following features are available:
• Operates over an IP network or locally via USB or GPIO connection
• RDAC can only communicate with one wide area system at a time
Repeater Diagnostics•Read Enabled/Disabled Status
•Read Analog/Digital Status
•Read Wide or Local Area Status
•Read Transmit Power Status
•Read Available Channels
•Read Inbound RSSI
•Read IPv4 Address and UDP Port
Repeater Control
•Change Status „Active“ or
„Disabled“
•Change Channels
•Change Power Level
•Reset Repeater
•Repeater Interrupt
Repeater Alarm Reporting
•Detect and Report Receiver Lock Detect Failure•Detect and Report Transmitter Lock Detect Failure•Detect and Report Overheating•Detect and Report AC Power Supply Failure•Detect and Report Main Fan Failure
RDAC –Remote, Diagnotics and Control
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RDAC User Interface
Diagnostics Screen
Control screen
Configurationscreen
Maininterface
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ManufacturingBank Districts
Local Transportation
(Buses, Taxis,…)
Shopping Malls
EventsAirports (domestic)
Hafen
Typical End Users
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MOTOTRBO repeaters from July Shipped with 1.5 release firmware
MOTOTRBO subscribersShipped or upgraded with 1.5 release firmware
IP Switch: from a 3rd Party
Note: Radios not upgraded to a firmware version 1.5 or later will not be able to operate on a Capacity Plus System
Hardware Requirements
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• PTT ID
• Call Alert
• Individual Call
• Voice Privacy
• Emergency (w/ TG revert)
• Radio Check
• Radio Inhibit
• Talkgroup Scan
• All Call/System Wide Call
Capacity Plus Features
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Transmitting radios make late entriesAfter they end their current transmissions
All radios listen to the All Call
(including radios listening to other calls)
All Call
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The subscriber can support different system types on the same radio!• Only 1 system can be active at a given time• Multiple zones can be programmed in any subscriber• More then one of a system type can exist on the same radio!
Zone 1: Capacity Plus System 1
Zone 2: IP Site Connect System
Zone 3: Conventional Digital System
Zone 4: Capacity Plus System 2
Note: It is also possibleto program a subscriber
to access different systemtypes by simply changing
knob positions!
Multi-System Support: Zones
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• GPS
• Text Messaging (Application and unit to unit)
• Telemetry
• RDAC Application
Data Capabilities
Capacity plus supports all legacy data capabilities:
Data capabilities have been enhanced to support larger fleets
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• Acts as a “dynamic home slot”
• Can be any slot on the system
• Rest Slot will “roll” to different voice slots in the system
• Frequently changes during system use
Rest Slot: the key to Capacity Plus
Slot 1 Slot 2 Slot 3 Slot 4
A B C D F G
IP Switch
Rest ChannelIs only the home for inactive radios
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Slot 1 Slot 2 Slot 3 Slot 4
Slot 5 Slot 6 Slot 7 Slot 8
A B C B C C A A B TG C
IP Switch
How does it work?
Process is repeated over and over ensuring optimal performance!
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1. All new calls always start on the Rest Slot
2. When a call starts, the Rest Slot:
• Selects an idle slot to be the new Rest Slot
• Informs all idle subscribers to move to it
• Converts itself to a traffic slot
• Begins repeating audio to radios
3. When a call ends on the Rest Slot:
• The repeater informs the radios of the new Rest Slot
• The radios then move to the new Rest Slot
How does it work? - Repeater
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1. All possible Voice Slots are programmed into the subscribers
• Radio must “know” of the channel to utilise it
2. Upon power up:
• Radio performs a passive search for Rest Slot
• Listens for an active rest channel
3. If all channels are idle:
• A “polite” wakeup message is sent to known channels
• Known = programmed into radio
• Messages are sent one by one to each channel
How does it work? - Subscriber
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1. Allows system to be “shared channel friendly” since it can still
operate with interference
• Easier to satisfy the FCC frequency coordination requirements
since protected channels aren’t required
2. No control slot required
• No wasted channel capacity = LOWER SYSTEM COSTS!
• The “request and grant” control mechanism is removed from the
equation, allowing for quicker system access time
Rest Slot Benefits
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Understanding Capacity Plus Preference Levels
• The repeaters in a Capacity Plus system use a metric or weighting system to determine which channel should be the next rest channel and therefore the next voice channel. For example, if there are 4 repeaters in a Capacity Plus system and the fourth repeater happens to be vulnerable to interference then you can set it’s Preference Level number to a higher value than the other 3 and it will be chosen to be the rest channel less often than others.
• If RF channels had the same performance, coverage and resistance to interference there would be no need for this control. But often this is not the case. There’s no point in granting equal access to the fourth repeater if it has inferior coverage (for example).
• Lower Preference Level numbers mean higher preference. Higher numbers mean the channel will be chosen less often as the next rest/voice channel.
• All the repeaters in a system may have the same value
(eg all 4 repeaters could have a Preference Level of 1) or they
all could be different.
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• All data is sent on trunked Voice Slot
• Enables single repeater (2 slot) trunking
• Data will contend with voice calls for channel resources
• Recommended that data load is small to minimize voice call
channel busies
Data on Voice Slots
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Data on Revert AND Voice Slots• The ability to offload data on Revert Slots
• This is data from a subscriber to an application server
• Example: GPS Location updates
• Example: Text messages to text server
Server to SU data on trunked Voice Slots• More efficient
• Radios do not have to scan Data Revert Slots
• Minimizes late entry scenarios for voice calls (Voice Quality of Service)• Radios receive messages when idle
• Example: Text message from server to radio
SU to SU data on Trunked Voice Slots• Radio to radio text messages
Note: You cannot utilize one slot for data revert and the other slot for trunking
Revert & Voice Slots
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• A Capacity Plus System can be designed to have a “data
subsystem”
• This system contains a group of dedicated repeaters that are
used to offload data only
• They are NOT used for voice
• 12 repeaters can be combined to create a revert system
• 24 data revert slots
• These slots, like voice slots are programmed into the subscriber
• Radio subscribers move to the revert slots to send data
Capacity Plus Data Revert
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• The Data Revert Slot does not trunk
• Radio is programmed for all known revert slots
• Radio will cycle through the list for revert data transmission.
• If channel is busy, it will switch to the next revert channel in the
list to transmit data.
Do Data Revert Slots Trunk?
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Greatly increases channel efficiency• Voice calls do not disrupt data• More data can be offloaded on system• Example: Faster GPS update periods
Capacity Plus Data Revert: Value Proposition
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Subscriber cycles through it’s list of data revert slots to send its data
Subscriber evaluates up to 4 data revert channels
• Tries to find an idle channel and TX the data
Understanding the subscriber revert process
Example 1• Evaluate 1st channel in list – busy
• Evaluate 2nd channel in list – busy
• Evaluate 3rd channel in list – idle
• Transmit data
• Return to trunked channels
Example 2• Evaluate 1st through 4th channels – all busy
• Return to trunked channels and set a random hold off timer
• Random hold off timer expires –radio looks to send data again
• Evaluate 5th channel in list – idle
• Transmit data
• Return to trunked channels
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Capacity Plus Systems utilise a “Trunked Mobile” control station• Connects to an Application Server
• Always follows rest slot
• Returns all data ACKs to the subscribers (from application)
• Delivers text messages to radio system from text applications
• Legacy data applications still also utilise control stations
Must be programmed with all known Voice Slots• Sends all data on the voice slots (Rest Slot)
Systems can have more than one (1) Trunked Control Station• Driven by the amount of application data sent to the radio system
• Can be dedicated to a range of radios
• Example: TCS 1 can address radios 1-100, and TCS 2 can address radios 101-200
Data System: Trunked Control Station
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Subscriber cycles through it’s list of data revert slots to send its data
Subscriber evaluates up to 4 data revert channels
• Tries to find an idle channel and TX the data
Mobile Control Stations Summary
Trunked Control StationsThese stations move with the rest slot
and send data to your radio fleet
Data Revert Control Stations
Up to 24 stations can be utilized to
receive data from your radio fleet
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Trunked Control Station
Revert Control Station
Revert Control Station
Operation:
1) Upon power up a radio sends its registration data to an application, this is sent on the Legacy Control Station (this operates like conventional MOTOTRBO today)
2) The Trunked Control Station “returns the ack” to the most current rest slot
101001
Application Server
Slot 1 Slot 1
Capacity Plus Data Revert System
101001
Capacity Plus Rest Slot
Understanding the Control Stations
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A B
C
Slot 1 Slot 2
Slot 3 Slot 4
A C
Slot 7 Slot 8
Slot 5 Slot 6S
5
S
6
S
7
S
8
B
Application Server
CBIP Switch
Data Reverts Channel: How it works?
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• It is not required to create a data revert system• Radios can be programmed to send data on voice slots
• This can reduce data reliability and QoS• Especially in very large fleets
Do I NEED Data Revert?
Every Revert Repeater added greatly increases the amount of supportable subscribers
Repeater 1 Repeater 2 Repeater 3 Repeater 4
Update Revert Slots Revert Slots Revert Slots Revert Slots Revert Slots Revert Slots Revert Slots Revert SlotsPeriod 1 2 3 4 5 6 7 8
1 Minute 20 40 60 80 100 120 140 1602 Minute 40 80 120 160 200 240 280 3203 Minute 60 120 180 240 300 360 420 4804 Minute 80 160 240 320 400 480 560 6405 Minute 100 200 300 400 500 600 700 800
Data Revert loading table
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12 Voice Slots
RDAC GPS TEXT Telemetry
Up to 1200 Subscribers
24 Data Slots 36 Control Stations
Fully Loaded Capacity Plus System
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• Most existing 3rd party applications will be usable on Capacity Plus, however…
• …due to some data enhancements some slight modifications will need to be made by the developer of your application
Motorola’s Text Messaging & Location Services Suites, have NOT been optimized to work with Capacity Plus
Capacity Plus Application Support
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Fault Tolerance Conditions
• Receive an indication on RDAC• If it’s being used
• System remains operational • Will operate with less capacity
• Heavily loaded systems could experience
higher instances of system busies
• Receive an indication on RDAC• If it’s being used
• Radios will continue to “trunk” but only on the repeater that they were on at the time of failure
• All repeaters revert to a “2 slot trunked” configuration
• Radio distribution will impact system performance
• Radio will ‘bonk’
• Display radios will exhibit “system busy” string
Voice Repeater Fails
All Channels are busy
IP Switch fails
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System Planing &System Planing &ProgrammingProgramming
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• Is this a new system?
• Are the frequencies being used new?
• If yes, have propagation studies been completed
• Are there any interference issues that need to be
addressed?
System Planning: Channel Frequencies
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• How many users will be on the system?
• Will the system add new users in the future?
• Applies to voice and data users
• System planners should design the system to accommodate future users that
may be added
• It is possible that more channels may need to be added if larger volumes of
subscribers are added
• Capacity plus ideally can support 100 subscribers / slot
• If attempting to put 300 subscribers on a 2 slot voice system “busies” could
result.
• Adding more data radios or shortening the GPS update period could also drive
the need for more revert slots on the system
• Plan accordingly!
System Planning: Channel Loading Considerations
See the MOTOTRBO System Planner for detailed loading specifications
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• How many users will be on the system?
• The number of users and talk patterns should drive the amount of
voice slots required
• High traffic patterns will require more channels in the system to
ensure a good QoS
• Will the system add new channels, talk groups in the future?
• Applies to voice and data revert channels
• It is important to note that all subscribers will need to be
reprogrammed if new channels or TGs are added in the future.
System Planning: Future Considerations
See the MOTOTRBO System Planner for detailed loading specifications
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• MOTOTRBO CPS has been slightly changed to accommodate
Capacity Plus programming
• System programmers still need to follow the same logic as
programming a conventional system
• Plan the system in advance!
Know Your System Topology!
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Like a conventional system plan the following:
1. What are / how many voice channels do I need to program?
2. What are the Talk groups that I need to program?
3. What TGs do I need to hear on MY radio?
4. Will I be using a data application
5. If using data revert, what are the channels?
6. Do I need more than 1 zone?
1. Do I need to access an IP Site Connect system
2. Do I need to access a conventional system
Programming methodology
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1. Plan number of Talk Groups and users in each
2. It is also helpful to plan ID schemes and assess assumed traffic loading
3. Evaluate data traffic assumptions
Talk Group Name
Talk Group ID Users / Group Activity Applications
Group A 100 40 High GPS 3 min update
Group B 120 60 High NO
Group C 130 50 High NO
Group D 140 50 Low GPS 3 min update
•This system will have 200 users and 4 talk groups
•It will also require data revert channels (90 radios sending 3 minute GPS updates)
Example: Simple System Design
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Example: Simple System Design
• In the following example we will program 2 voice repeaters (4 voice slots)
• We will program 1 Data Revert Repeater (2 data slots)
• Note: at 3 minute intervals 1 repeater (2 slots) can accommodate 120 subscribers
• We will program 1 portable for all the channels referenced and 4 Talk groups, as well
as a few private ids.
Talk Group Name Talk Group ID Users / Group Activity Applications
Group A 100 40 High GPS 3 min update
Group B 120 60 High NO
Group C 130 50 High NO
Group D 140 50 Low GPS 3 min update
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• The following slides will highlight changes specific to Capacity Plus
programming
• They assume that basic programming i.e. radio ID, group ID programming etc.
are understood.
Guidance on the following programming
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•Open a repeater sample:
•Right click on zone: add “Capacity Plus Voice Channel”
•You may delete the default channels once you
•add the capacity plus channel.
•Program frequency information etc.
•Note: Adding a single channel automatically creates 2 Voice
•Slots labeled 1& 2. (Slot Channel ID above)
•Rename the channel if desired
Program a Voice Repeater
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•On the Networks tab turn on IP Site Connect.•Designate the repeater a Master or Peer. Note only 1 Master is required per Capacity Plus system
Program a Voice Repeater
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•Repeat the same process for the secondary repeater, however, note that in the slot channel ID field you need to increment the Slot channel ID to 3, which will automatically create a 4th slot
Program a Voice Repeater
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•Programming a Revert Repeater is straightforward, click on zone, add “Capacity Plus Data Channel, rename as required.
•Program frequency information etc.
•Like, Voice Channels, you will need to turn on IP Site Connect in the Networks tab
NOTE: Capacity plus uses the IPSC protocol even though it operates in single site only.
Program a Data Revert Repeater
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• We now have 2 Voice Repeaters programmed
• Slots 1&2
• Slots 3&4
• We now have 1 Data Revert Repeater
• Slots 1&2
• You will need to verify that you have turned IP Site Connect on for
both repeaters.
• Capacity plus uses the IPSC protocol
Programming Summary
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• Add CapPlus Private IDs – Who do you want to be able to talk to?
• Add CapPlus Group IDs Build –What Talk Groups do you need access to?
• CapPlus RX Group Lists –What Talk groups do you need to hear?
• Add Voice Channels in Pool – One covers both slots (only 1 entry for each repeater)
• Add Data Channels in Pool – One for each slot (2 entries for each repeater)
• Build Voice Channel Lists – add Voice Channels in order
• Build Data Revert Lists – order doesn’t matter
• Add a CapPlus Personality to regular Zone
• Reference Voice List
• Reference Data List
• Reference RX Group List
• Reference TX Contact
• Remove any default Analog or Conventional Digital Channels that you are not
planning to use.
CPS Quick Start – Subscriber checklist
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Add Capacity Plus private IDs
Program a Subscriber Radio: Private IDs
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• Add CapPlus Group IDs Build –What Talk Groups do you need access to?
CPS Quick Start – Subscriber checklist
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Add Capacity Plus Group IDs
Program a Subscriber Radio: Group IDs
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• CapPlus RX Group Lists –What Talk groups do you need to hear?
CPS Quick Start – Subscriber checklist
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On the RX Group List, highlight TG List 1 under Capacity Plus.
Then highlight and add the TGs to this list.
These are the TGs that you wish to hear on your subscriber.
You may rename this list.
Program a Subscriber Radio: RX Group List
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• Add Voice Channels in Pool – One covers both slots (only 1 entry for each repeater)
CPS Quick Start – Subscriber checklist
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• Capacity plus subscribers contain a special zone called a Channel Pool
• This zone allows programmers to add all the channels that may potentially be
used in the system
• Analog
• Digital
• Capacity Plus Voice
• Capacity Plus Data
• This zone is deliberately not viewable by the end user
• This becomes a “holding place” for all channels that don’t need to be directly
accessed by the end user
• Via channel knob / rocker
• Or via menu
• Reasoning: There is no reason for the user to physically access a data revert
Programming the Subscriber: Channel Pool
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Under Channels, you will see Channel Pool, right clicking on the Pool will allow you to add any type of MOTOTRBO channel. Add Capacity Plus Voice Channel this will create a single channel, however it will encompass (2) Voice Slots
Program a Subscriber Radio: Add Voice Channels to Channel Pool
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• Add Data Channels in Pool – One for each slot (2 entries for each repeater)
CPS Quick Start – Subscriber checklist
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Right clicking on the Pool will allow you to add any type of MOTOTRBO channel. Add Capacity Plus Data Channel this will create a single channel, however it will encompass (1) Voice Slots. This will need to be done twice / repeater.
Program a Subscriber Radio: Add Data Channels to Channel Pool
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Note: Adding a Data channel only creates (1) data
slot, therefore (2) must be added / repeater. You
will need to assign a slot to each data channel
created. All channels (voice & data) can be
renamed to coincide with their function
Program a Subscriber Radio: Add Data Channels to Channel Pool
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• Build Voice Channel Lists – add Voice Channels in order
CPS Quick Start – Subscriber checklist
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Under Capacity Plus entry, Create a Voice
Channel List, this is all the channels that will be
accessible in the Capacity Plus system. Add them
according to their slot order, i.e. 1&2, then 3&4….
Program a Subscriber Radio: Create Voice Channel List
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• Build Data Revert Lists – order doesn’t matter
CPS Quick Start – Subscriber checklist
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Program a Subscriber Radio: Create Data Revert List
Follow the same process for the data channel list.
Order of addition to the list does not matter.
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• Add a CapPlus Personality to regular Zone
• Reference Voice List
• Reference Data List
• Reference RX Group List
• Reference TX Contact
• Remove any default Analog or Conventional Digital Channels that you are not
planning to use.
CPS Quick Start – Subscriber checklist
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Under the Zone, right click and Add Capacity Plus
Personality, you may delete the rest of the
channels in the zone once added. These channels
are defaulted there. You can also rename the
personality to be more descriptive
Program a Subscriber Radio: Create A Capacity Plus Personality
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1
2
43
Add Voice list created in previous step
Add Data list created in previous step
Add RX list created in previous stepChoose Contact TG
If using data, turn on
ARS
Program a Subscriber Radio: Program the Capacity Plus Personality
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• It’s easy to program a Capacity Plus radio to talk and listen to a single talk group
1. When creating RX list ONLY add the single TG that you wish to hear
2. Add that TG as your Contact Name on the Capacity Plus Personality
ONLY add TG A to Rx
List
TG A is the contact
name on the Capacity
Plus Personality
Listen / Talk to only one talk group
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So…what do we have?• 2 Voice repeaters
• Slots 1&2• Slots 3&4
• 1 Data Repeater• Slot 1• Slot 2
• 4 Talk Groups
Programming Summary
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• The Capacity Plus repeater hosting the rest channel will send out a beacon every Beacon Interval (ms). The subscriber units listen for the beacon and if they don’t hear it in the specified interval they’ll go thru the Voice List looking for the next rest channel. If a subscriber hasn’t found a rest channel in the Rest Channel Acquisition TOT (min) then it will sound a tone indicating to the user that it has lost the system.
• The intervals for the repeater and subscriber should be set to the same value.
Understanding Capacity Plus Beacons
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• FCC Type 1 compliance may not be an issue for areas outside the United States. However, the RSSI Threshold (dBm) is used in Capacity Plus systems to determine if a repeater is available to become the next rest channel or not.
• For example, if the RSSI Threshold (dBm) is set to -115 for repeater 1 in a 4 repeater Capacity Plus system and the rest channel is currently on repeater 2. Repeater 1 may have RF interference (analog or digital) above that threshold at -110dBm then repeater 1 channel will be considered ‘busy’ and it will take itself out of contention to become the next rest channel and the next rest channel would end up being assigned to repeater 2, 3 or 4.
• If you always want the repeater to be considered a candidate for the next rest channel assignment regardless of ambient RF levels you should set this value to the maximum -40dBm value.
Understanding Capacity Plus RSSI Threshold
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• MOTOTRBO supports message trunking by keeping a channel reserved for the duration of hang time after a transmitting radio has de-keyed the microphone. During the hang time, only the members of the ongoing call can start a transmission. • The advantage is that it provides guaranteed access to the channel for the duration of a call. • The disadvantage is that the channel remains unused during the hang times.
• To improve channel utilization, change the call hang time in the repeater.• Set to Zero (0) - system acts as if the channel is allocated for only one transmission
(Transmission Trunking)• Reduce call hang time from the default value - may improve overall call throughput if there
are many members in a group, and they are replying instantly to the group call • Increase call hang time from the default value if the group members are not replying
instantly to the communication and the channel still needs to be reserved, to prevent group call participants from switching to other group calls or loosing the channel when the system may becomes busy with other calls
Improving Channel Capacity by Adjusting Hang Times
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Compress the UDP/IPv4 headers between radios (including control stations)• applies to clear, Basic Privacy, and Enhanced Privacy transmissions in both repeater mode
and direct mode• transparent to server applications • Radios sends compressed data messages only if the feature is enabled, but they process
compressed data messages even if the feature is disabled. A legacy MOTOTRBO radio cannot receive compressed data messages.
Use unconfirmed data message
Note: GPS data in IP Site Connect and Capacity Plus modes is always unconfirmed and not configurable
Transmit a data message with or without the preambles• MOTOTRBO radio sends one (in repeater mode) or two (in talkaround mode) preambles for
increasing the battery life.• If there are legacy radios (i.e. release 1.4 or earlier) in the system, all the radios in the
system should be configured to send battery saver preambles.
Ways to Improve Data Throughput
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• If there is more than one calls active in a Capacity Plus system, then a radio joins its
most preferred call in the following conditions:
• The call that the radio was participating in, ends
• A radio powers on, or returns from a fade when all trunked channels are not
busy.
• The preference list for a radio (in decreasing order) is:
• All Call
• the radio’s transmit talkgroup
• the radio’s receive talkgroup
• Call priority is enforced by a radio only while it is entering a call. Once the
radio joins a call, it will not look for any other high-priority call in the system
(except an All Call).
Call Priority in Capacity Plus Mode