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COMSPHERE 6800 Series Network Management System
2-80 January 1997 6800-A2-GB31-20
Circuit Loss Outbound (clo)
(Disruptive)
Use the clo command to measure the outbound circuit loss from a specified COMSPHERE APL
modem, or a DATAPHONE II APL modem to an associated tributary device.
Control DATAPHONE II modems transmit a specified frequency over the primary data channel for
approximately 2.5 seconds at a signal level between –2 dBm and 0 dBm. COMSPHERE control
modems transmit their normal frequency spectrum at the currently optioned (typically 0 dBm)
signal level. The tributary device measures the level of the received signal, which should
nominally be –16 dB. The overall accuracy of this test is ±2 dBm.
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: Data Technician, Manager, System Administrator
Abbreviation: clo
Restrictions: The COMSPHERE modem accepts only the 1004 Hz tone parameter. The
DATAPHONE II 2024A modem accepts only the 1004 Hz or 1804 Hz tone
parameters.
Routine: Yes
Schedule: Yes
Related Commands: Circuit Loss Inbound (cli)
Circuit Loss Outbound Input Form
The Circuit Loss Outbound input form enables you to specify the control and tributary device(s)
for which this command will be executed, and to enter the tone frequency to be transmitted by the
tributary.
This input form contains the following fields:
Control device(s) (Required field)
Enter the control device(s) that will transmit the tone. 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.
Tributary device(s) (Required field)
Enter the tributary device(s) that will measure the transmitted tone. 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.