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Routine Maintenance Procedures
555-233-123
5-6
Issue 4 May 2002
Removing Power in a Single-Carrier Cabinet PPN
Follow these steps to remove power to an AC- or DC-powered single-carrier
cabinet PPN with high or critical reliability.
!
WARNING:
If a translation card alarm is present, or if a translation card problem is
suspected, do not save translations of the translation card that is provided
with the system.
!
CAUTION:
Check that the translation card is present in the system or check that the
translation card is in the TN777B Network Control circuit pack.
1. At the administration terminal, type save translation and press
Enter
.
2. In a standard reliability system on the processor circuit pack in the PPN,
and on the maintenance circuit pack in the EPN, set the Emergency
Transfer switch to “ON.”
!
CAUTION:
When removing power, Error Log information is lost. If you want to
retain the data, type reset system 4. This restarts the system and
may take several minutes. Wait for the login prompt before
proceeding.
3. Turn off the power in each cabinet individually. The ON/OFF power switch
is located behind the power unit:
■
WP-91153 Power Unit for an AC-powered system.
■
676B Power Unit for a DC-powered system
Summary of Contents for Definity SI
Page 1: ...0DLQWHQDQFH IRU YD D 1 7 6HUYHU 6 Volumes 1 2 and 3 555 233 123 Issue 4 May 2002...
Page 62: ...Maintenance Architecture 555 233 123 1 26 Issue 4 May 2002...
Page 92: ...Management Terminals 555 233 123 3 26 Issue 4 May 2002...
Page 204: ...Routine Maintenance Procedures 555 233 123 5 100 Issue 4 May 2002...
Page 250: ...LED Interpretation 555 233 123 7 10 Issue 4 May 2002...
Page 2804: ...Maintenance Object Repair Procedures 555 233 123 10 2018 Issue 4 May 2002...