
Configuring Line Services
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Enabling or Disabling Fractional T1 Loopback Code (QMCT1 only)
Fractional T1 loopback is an ANSI-standard 127 octet loop. Enabling fractional
T1 loopback detection (channel loopback) allows remote test equipment to put
one logical line or DS0 group on a port into loopback testing mode without
affecting the other logical lines or channels.
Fractional T1 loopback also enables a QMCT1 port to generate and send test
patterns to the remote test equipment and verify that the pattern is received and
looped back.
For QMCT1 modules only, you can disable or reenable fractional loopback
detection on this interface.
See Troubleshooting and Testing to test logical lines on a QMCT1 link module.
Accessing Line Resource Reservation (QMCT1 only)
This parameter allows you to edit ST2 line reservation resources if the ST2
service is enabled on the line. Refer to “Starting the LRM” in Chapter 8 for
information.
Site Manager: Remote Loopback Detection parameter: page A-42
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