User's Manual Part 2

CSM System Time – GPS & LFR/HSO Verification – continued

Apr 2001

3-35

SC4812ET BTS Optimization/ATP — CDMA LMF

DRAFT

NULL MODEM

BOARD

(TRN9666A)

RS–232 SERIAL

MODEM CABLE

DB9–TO–DB25

ADAPTER

COM1

LMF

NOTEBOOK

Figure 3-7: CSM MMI Terminal Connection

FW00372

CSM board shown

removed from frame

19.6 MHZ TEST

POINT REFERENCE

(NOTE 1)

EVEN SECOND

TICK TEST POINT

REFERENCE

GPS RECEIVER

ANTENNA INPUT

GPS RECEIVER

MMI 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

GPS Initialization/Verification

Follow the steps outlined in Table 3-19 to connect to CSM–1 installed in

the C–CCP shelf, verifying that it is functioning normally.