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2Modem/DSU Commands
2-276800-A2-GB31-20 January 1997
Call Message (cm)
Use the cm command to warn remote DATAPHONE II 2700 Series DSU users of impending
testing or reconfiguration. This command can be sent to a single tributary device or it can be
broadcast to a tributary device and its downstream network.
Before taking a DSU out-of-service, use this command to pass a don’t-call message downstream
alerting the remote site that maintenance is about to take place. The message DCAL is displayed
on the front panel of the DSU. When maintenance is finished, use this command to send a CALL
message notifying the remote site to place a call to the control site. You can also use this command
to send a clear message to the remote site removing the CALL or DCAL message from the front
panel of the DSU.
For most commands, NMS enables you to specify the destination for the command’s results and
schedule its execution. If the last page of the input form cannot accommodate the Destination for
results and Schedule execution fields, an additional page is provided. For a complete description
of these fields, refer to Chapter 1, Introduction.
Access Level: Help Desk, Data Technician, Manager, System Administrator
Abbreviation: cm
Alternate: cdr
Restrictions: None
Routine: Yes
Schedule: Yes
Related Commands: None
Call Message Input Form
The Call Message input form contains the following fields:
Device(s) (Required field)
Enter the device(s) to which the message will be sent. One or more devices may be
specified. Standard addressing format applies to the input. For information on device
addressing, refer to Appendix D of the COMSPHERE 6800 Series Network Management
System User’s/System Administrator’s Guide.