User's Manual

Table Of Contents
BTS Redundancy/Alarm Testing68P09255A61-4
Aug 2002
1X SC 4812T BTS Optimization/ATP Software Release 2.16.1.x
FIELD TRIAL
3-97
Table 3-52: CSM, GPS, & LFR/HSO, Redundancy/Alarm Tests
Step Action
7 Disable CSM 1 and enable CSM 2.
Various CSM source and clock alarms are now reported and the site comes down.
Alarms clear when the site comes back up.
8 Allow the CSM 2 board to go INS_ACT.
Verify the BBXs are dekeyed and OOS, and the MCCs are OOS_RAM.
Verify no other modules went OOS due to the transfer to CSM 2 reference.
Observe the PWR/ALM LEDs on CSM 2 front panels are steady GREEN.
NOTE
It can take up to 20 minutes for the CSM to re-establish the GPS link and go INS. MCCs go
OOS_RAM.
9 Key BBXs 1 and R and observe a carrier is present.
10 Repeat Steps 2 through 6 to verify CSM source redundancy with CSM 2.
* IMPORTANT
DO NOT ENABLE the redundant CSM.
11 Disable CSM 2 and enable CSM 1.
Various CSM Source and Clock alarms are reported and the site comes down.
Alarms clear when the site comes back up.
12 De-key the Xcvr by selecting Device>BBX/MAWI>Dekey.
13 Allow the CSM 1 board to go INS_ACT.
Verify the BBXs are de-keyed and OOS.
Verify no other modules went OOS due to the transfer to CSM 1 reference.
Observe PWR/ALM LEDs on the CSM 1 front panels are steady GREEN.
14 Disable the primary and redundant BBXs.
3