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30 C578M-A (4/05)
A Mstr Sync A On long
B Slv Sync B On short
A Online A Off
B Mstr Async B On solid
A Offline A Off
B Mstr Async B On solid
A Offline A Off
B Mstr Async B On solid
A Slv Sync A On short
B Mstr Sync B On long
A Mstr Sync A On long
CC1 A
CC1 B
[2 beeps]
KVD A
CC1 B
CC1 A
FAULT
Off
FAULT
Off
FAULT
Off
FAULT
Off
FAULT
Off
FAULT
Off
Press CC1 A once to synch A to B.
This is done so that currently
logged on KBDs will not go offline
whenever control is switched to the
B-side.
Press and hold CC1 B for two
beeps (forces B-side to Async
mode; A-side is still online, but not
synched.
Press KVD A button, so that
diagnostic tools are available for the
A-side update.
“Ctrl + Q” keypad operation on
A-side takes it offline. The diagnostic
screen should be at the DOS prompt
on the A-side.
Make changes on A-side. Update
software, configuration files, etc.
Power up. Press CC1 B once to
synch B-side to A-side.
Press CC1 A to return to original
starting point, if desired.
5
6
7
8
9
10
Table E. System Update of Hardware/Software, Starting from Default Mode (Continued)
NOTE:
Table E can also be applied (with slight modification, beginning with step 4) as a procedure for handling an equipment repair
when a system error has occurred (system’s FAULT LED ON, and node is in asynchronous mode). First, set DIP switch 1-2 to the OFF
position so that diagnostic control reverts to the user, then, in Step 4, take the side that generated the error offline (if not already
done). Next, acknowledge the alarm (to turn it off) and then,follow steps 5 and 6 of Table E, substituting the appropriate-side button
presses (it depends on which side was initially taken offline), and then skip to Step 10.
SIDE STATUS MODE LEDs (A/B) FAULT LED