Test Status Messages - Paradyne 7520 User Manual

Zhone 7520 dsu: users guide
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Test Status Messages

7520-A2-GB20-20
The
Test Status Messages
System and Test Status screen.
Table 4-4. Test Status Messages
Test Status Message
Meaning
No Test Active
Status message, indicating no local, remote, or network test in
progress.
CSU Loopback Active
A CSU Loopback toward the network is currently active.
Network-init. CSU LB
A CSU Loopback initiated by the network is currently active.
Active
DSU Loopback Active
A DSU Loopback toward the network is currently active.
Network-init. DSU LB
A DSU Loopback initiated by the network is currently active.
Active
V.54-initiated DSU LB
A DSU loopback is active that was initiated by the detection of
Active
a V.54 sequence originated by the remote unit. This condition
can only occur when V.54 Initiated DSU Loopback is enabled.
Refer to Table A-2,
Local Loopback Active
A local loopback toward the DTE is currently active.
Sending 511 on Port
A 511 test pattern is being sent over the DTE port.
Monitoring 511 on Port
DSU is monitoring a 511 test pattern over the DTE port.
Sending 511 on
A 511 test pattern is being sent over the network interface.
Network
Monitoring 511 on
DSU is monitoring a 511 test pattern on the network interface.
Network
Lamp Test Active
The Lamp Test is active, causing the LEDs on the front panel to
light.
in the following table appear in the right column of the
If the network service is 2.4 to 56 kbps, the network
loopback is non-latching. A non-latching loopback ends
when the network activation codes stop.
If the network service is 64 kbps CC, the network loopback
is latching. This condition can only occur when the Network
Interface option Network-initiated DSU Loopback (64K CC)
is enabled. Refer to Table A-2,
Network Interface
May 1998
Monitoring the DSU
Network Interface
Options.
Options.
4-5

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