Lucent Technologies DDM-2000 OC-3, Installation Manual

Page: 410 / 492

10-10 Issue 9 October 1998
363-206-204
Operational Tests
Function Units, BBG4 (DS3), BBG2 (MXRVO),
(all Releases) and BBG6 (STS-1E) (Release 6
through 13)
NOTE
:
This procedure should be performed on each function unit pair.
1. Verify the status of the function units by issuing the command
rtrv-
state
(RETRIEVE STATE). For Releases 7, 9, 11 and 13 enter the com-
mand
rtrv-state-eqpt
(RETRIEVE STATE EQUIPMENT).
2. Issue the command
switch-fn
(SWITCH FUNCTION UNIT). Enter
fn-a, fn-b, or fn-c
at the address prompt. Enter manual at the prior-
ity prompt. The ACTIVE LED which is presently lighted will extinguish, and
then ACTIVE LED on the other function unit will light.
3. Verify the status of the function units by issuing the command
rtrv-
state
(RETRIEVE STATE). For Releases 7, 9, 11 and 13 enter the com-
mand
rtrv-state-eqpt
(RETRIEVE STATE EQUIPMENT).
Timing Generator, BBF2/BBF2B (TGS)
1. Verify the status of the TGS circuit packs by issuing the command
rtrv-
state
(RETRIEVE STATE).
2. Issue the command
switch-sync
(SWITCH SYNCHRONIZATION).
Enter circuit pack at the sync function prompt. Enter manual at the priority
prompt. The ACTIVE LED which is presently lighted will extinguish, and the
ACTIVE LED on the other TGS will light.
3. Verify the status of the TGS circuit packs by issuing the command
rtrv-
state
(RETRIEVE STATE).
Low Speed, BBF1B (DS1) (all Releases), BBF3
(DS1PM) (Releases 6 through 9) or
BBF8 (HDSL)
This procedure should be performed on each low speed function group equipped
with protection (that is, a low speed pack in position 8).
1. Verify the status of the low speed circuit packs by issuing the command
rtrv-state
(RETRIEVE STATE).
2. Issue the command
switch-ls
(SWITCH LOW SPEED). Enter manual
at the priority prompt. On the user panel, the ABN and NE ACTY alarms
should light.
3. Verify the status of the low-speed circuit packs by issuing the command
rtrv-state
(RETRIEVE STATE).