User's Manual

CSM System Time – GPS and HSO Verification – continued

3-52 1X SC 4812T Lite BTS Optimization/ATP FEB 2005

PRELIMINARY

NULL MODEM

BOARD

(TRN9666A)

RS–232 SERIAL

MODEM CABLE

DB9–TO–DB25

ADAPTER

COM1

LMF

NOTEBOOK

FW00372

CSM Card shown

removed from frame

19.6 MHZ TEST

POINT REFERENCE

(NOTE 1)

EVEN SECOND

TICK TEST POINT

REFERENCE

GPS RECEIVER

ANTENNA INPUT

GPS RECEIVER

SERIAL

PORT

ANTENNA COAX

CABLE

REFERENCE

OSCILLATOR

9–PIN TO 9–PIN

RS–232 CABLE

NOTES:

1. One LED on each CSM:

Green = IN–SERVICE ACTIVE

Fast Flashing Green = OOS–RAM

Red = Fault Condition

Flashing Green & Red = Fault

Figure 3-11: CSM MMI Terminal Connection