MM-015039-001
23
Figure 4-7: BaseBand Processor Module
4.3.5
Traffic Controller Module (TC)
The Traffic Controller (TC) module model EA-555004-001 performs interfacing for one (1) MASTR V
P25 RF channel. The TC module provides the following services:
Data and control information for one (1) TX module.
Data and control information for one (1) RX module
Generates the P25-formatted TX messages for over-the-air transmission.
Provides VoIP interfacing to other P25 sites.
The TC module manages data and control information for one (1) TX and one (1) RX channel module.
Incoming data from dispatch points is processed into over-the-air P25-formatted TX messages. The TC
module processes decoded radio information received from the BBP module, and handles all aspects of
trunking (subscriber unit validation, assigned channels, queuing, etc.).
During P25 Trunked Simulcast operation, the TC module interprets and directs inbound calls. It issues
appropriate control commands to and from the TX and RX modules, including how to handle data
between the base station and the Control Point.
The TC module also handles VoIP interfacing to other P25 sites. Receiver packets are formatted into a
VoIP-capable protocol and sent to other predefined P25 sites for retransmission.
Table 4-11: TC Module Connections
LABEL
CONNECTOR
DESCRIPTION
Rear Panel
RJ-45
Ethernet MLAN
RJ-45
Ethernet PLAN
95-Pin
Backplane Small Signal Connector (5X19)
3-Pin
Backplane DC Power (refer to
Table 4-2
)
Circuit Board (side)
RJ-45
Factory Service Communications Port
4-Pin
Factory Service DC Power
Front Panel
USB
Service Communications Port
