Lucent DDM-2000 OC-3 User And Service Manual page 752

DLP-501
: Detailed Level Procedure
Page 2 of 8
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4.
CAUTION:
Removing the BBG5 SYSCTL without performing a 10-second
countdown sequence on the FE ID display may result in unexpected and
undesirable protection switches, incorrect circuit pack fault indications, or
incoming signal failure indications.
Momentarily depress the ACO/TST pushbutton on the User Panel and the FE
SEL pushbutton on the SYSCTL at the same time to start a 10-second
countdown (9, 8, 7, etc.) on the FE ID display. During this countdown, remove
the SYSCTL. If the SYSCTL is failed, the countdown may not occur.
5. Set all SYSCTL switch S1 sections S1-1, S1-2, and S1-3 to OFF, to set the
product (shelf) type. See Figure 1.
6. Set all SYSCTL switch S2 sections S2-1, S2-2, S2-3, S2-4, S2-5, S2-6, S2-7,
and S2-8 to OFF.
Figure 1 – BBG8/BBG8B SYSCTL Option Settings
NOTE:
7.
Steps 8 and 9 must be performed without unnecessary delays.
Familiarize yourself with these steps before continuing with the
procedure.
Read Steps 8 and 9 before proceeding.
DDM-2000 OC-3 M
Issue 2, February 2000
ULTIPLEXER
363-206-285