User's Manual

Table Of Contents
Site Controller Rear Panel
Figure 168: Site Controller Rear Panel
2
1
1 — X21/Remote GPS
2 — Alarms/Control
Site Controller – Rear Panel Connectors
Table 79: Site Controller - Rear Panel Connectors
Connector Name Connector Type To/From Comment
Remote GPS/ X.21 IDE 26pin Junction Panel Connects to remote GPS/ X.21
Alarms/Control IDE 34pin Junction Panel Provides Alarm/Control interface
Site Controller CAN Bus
The CAN Bus provides a common communication bus between RFDS equipment, Power Supply Unit (PSU) and the
Site Controller. The CAN Bus connects to the Site Controller, PSU, DPM, and ATCC. The modules on the CAN Bus
are assigned an address for the CAN Bus. When there are more than one modules of the same type, assigned a
functionality in MTS to each node. Mapping between the track number, CAN ID, and function relies on the fact that
the unique track number is available from each unit.
At initialization of the MTS, the factory configures the Site Controller with a relation between track number and the
function of the node. You can modify this configuration in a service situation.
If a node is removed or is defective, the Site Controller knows the track number of a non-responding FRU and
therefore it can make a proper service report which tells exactly what FRU to replace. When the service is carried out,
Site Controller | 271
6802800U74-AD | September 2014 | Send Feedback
Applicant: Motorola Solutions
Equipment Type: ABZ89FC5827 / 109AB-5827
Exhibit D2