7.3 Establish Communication with an Isolated Switching Module
OVERVIEW
This procedure is used to recover an isolated switching module. The loss of
communication can be indicated on MCC display Page 1800,x by one of the following
status indications: COMM LOST, INIT PEND, STNDALONE, or ISOLATED. To
simplify this procedure, all of these states will be referred to as COMM LOST.
It should be noted that MCC display Page 1800,x is partially updated from the
switching module. When AW/switching module communication is lost, this page will
display the AW’s stored information about the switching module. Therefore, not all
indicators on the page will reflect the true status of the unit when the switching
module has lost communication. When AW/switching module communication is
restored, the page will be updated to reflect the current status of the unit. Following
each recovery action specified by this procedure, pause briefly to allow the switching
module to reestablish communication (if possible) and update the MCC display.
PROCEDURE
1. Perform a visual check to ensure that the Ethernet
1
cabling between the
switching module and the Administrative Workstation is intact.
2. On MCC Page 111/112, is the communication link to the switching module
broken?
If YES, continue with Step 3.
If NO, STOP. YOU HAVE COMPLETED THIS PROCEDURE
3. At the MCC Page 1800,x, type and enter: 403 to manually isolate the switching
module.
Response: ISOLATE? (y/n).
Type and enter: y
Response: SET present in box 03.
4. At the MCC Page 1800,x, type and enter: 503 to clear the manual isolation. Wait
3 minutes.
Response: SET cleared in box 03.
5. On the MCC Page 111/112, is the communication link to the switching module
broken?
If YES, continue with Step 6.
If NO, STOP. YOU HAVE COMPLETED THIS PROCEDURE.
6. At the MCC Page 1800,x, type and enter: ORD:CPI=x,CMD=CLR,UCL; to clear
forces on the switching module.
Where: x = The switching module number.
1. Registered trademark of Xerox Corporation.
235-200-150
June 2004
SYSTEM RECOVERY
Procedure 7.3
Issue 3.00J Page 7.3-1
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