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ACCULINK 316x DSU/CSU
4-16 December 1996 3160-A2-GB22-10
Displaying DSU/CSU Test Status
Use the T
est Status command to display the active tests
for the DSU/CSU. Status messages that can display on the
front panel LCD are listed in Table 4-4.
Table 4-4
Test Status Messages
Message
Description
No Test Active No tests are currently active.
LLB Test Active The network interface is in Line loopback.
PLB Test Active The network interface is in Payload loopback.
DLB Test Active The DSX-1 Drop/Insert port (DTE) is in DTE loopback.
RLB Test Active The DSX-1 Drop/Insert port (DTE) is in Repeater loopback.
DCLB on Port
n
Port
n
is in a data channel loopback.
DTLB on Port
n
Port
n
is in a data terminal loopback.
QRSS Test Active A QRSS test pattern is being sent on the network interface.
1–8 Test Active A 1-in-8 test pattern is being sent on the network interface.
QRSS on Port
n
A QRSS test pattern is being sent to the network on the channels allocated to port
n
.
511 on Port
n
A 511 test pattern is being sent to the network on the channels allocated to port
n
.
Monitoring QRSS The QRSS test pattern is being monitored on the received network interface signal.
Mon QRSS, Port
n
A QRSS test pattern is being monitored on the channels allocated to port
n
.
Mon 51
1, Port
n
A 511 test pattern is being monitored on the channels allocated to port
n
.
DLB Test, Extrn The DSX-1 Drop/Insert port (DTE) is being held in DTE loopback by the external contact.
Lamp Test Active The Lamp test is currently active.