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CS-5200/5400 ADMINISTRATOR GUIDE, ISSUE 1.1 – August 2005
Page 56 Freezing/Unfreezing the System History
3. Enter the module number where the device to be seized is located (if you enter a single
digit, press after the digit to continue). (If you enter an invalid module number, the
display shows INVALID MODULE NUMBER.) Do not enter the Unit number (0). The
display shows ENTER PORT.
4. Enter the port (circuit) number of the device to be seized (if you enter a single digit,
press after the digit to continue). Valid numbers depend on the type of module. (If
you enter an invalid module number, the display shows INVALID MODULE NUM-
BER.)
If there is only one device on the selected port, the selected device is seized as if the
user had directly entered the extension or trunk number.
If there is more than one device on the selected port, the display shows ENTER
DEVICE. Enter the number of the device to be seized. Valid numbers depend on the
type of devices installed. (If you enter an invalid device number, the display shows
INVALID DEVICE NUMBER.) When the device has been selected, it is seized as if
the user had directly entered the extension or trunk access number.
5. Enter the Diagnostics Mode feature code (9900, or 9100 in Europe) to turn off diagnos-
tics mode. The display shows DIAGNOSTICS OFF.
Freezing/Unfreezing the System History
When certain system failures occur, service personnel might request a “system history freeze.”
This allows them access to the system database so that they can analyze system activity for the
time period preceding the alarm.
To freeze or unfreeze system history:
1. While on-hook, enter the Diagnostics Mode feature code (9900/9100) to turn on diag-
nostics mode. The display shows DIAGNOSTICS ON.
2. Enter the Freeze System History feature code (9993, or 9193 in Europe) or Unfreeze
System History feature code (9998, or 9198 in Eruope). The display shows HISTORY
FROZEN (or UNFROZEN). If you attempt changing the state of the system history to
its current status, the display shows HISTORY ALREADY FROZEN (or UNFRO-
ZEN).
3. Enter the Diagnostics Mode feature code (9900/9100) to turn off diagnostics mode. The
display shows DIAGNOSTICS OFF.
Freezing/Unfreezing the Network History
Administrators can freeze or unfreeze the fault history for any node in the network. Service
personnel can then pull the information from each node for troubleshooting purposes. Nodes
are assigned to freeze zones by the database programmer to allow selective freezes. You must
know which zone to freeze/unfreeze and then enter the freeze feature code followed by the
zone number.
A node can be in more than one freeze zone. If you freeze a zone that contains a node that is
already frozen, the display will show “SOME NODES ALREADY FROZEN” and the node
will remain frozen. If you unfreeze a zone with unfrozen nodes in it, the display shows “SOME
NODES ALREADY UNFROZEN.” To determine the individual freeze status of the nodes,
check the message print output.
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NOTE Do not perform this procedure unless directed to do so by service personnel.
NOTE Do not perform this procedure unless directed to do so by service personnel.