User's Guide

Nortel Networks Confidential
35
About the iBTS
Front panel description
The front panel of the TRM module has two corporate leds indicating the TRM status:
Green
rectangular
LED
Red triangular
LED
Status
OFF OFF Sleep, unpowered or not inserted
ON ON Power up self--test underway
ON OFF Module should not be removed
ON BLINK Module is partially faulty
OFF ON Module may be removed, alarm state, BISTs NOK
OFF BLINK Module is waiting for Boot
The front panel also has:
one “Debug” Ethernet connector (RJ--45 type connector)
one “Reset” button accessible through an eye in the front panel
three RF outputs (to MCPAs): “Tx A out”, “Tx B out”, and “Tx C out” (SMA connectors)
six RF inputs (from DDMs): “Rx in” (radial connectors)
one interconnection connector for digital communication between RF modules (D--sub connector)
Haardware composition
The TRM is made of two boards.
one dTRM board, including:
x 6 Tx channelizers
x 3 Rx channelizers
one rTRM board, including:
x 3 wideband transmitters
x 3 dual 5 MHz receivers