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Monitoring and Testing
Displaying DSU/CSU Test Status
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4-32
Use the Test 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 4-8.
Procedure
To display test status:
1. From the top-level menu screen, select Stat.
2. From the Status screen, press the
on the screen.
3. Select TStat.
Status:
STest Perf
F1
The Test Status screen appears showing you what tests are active for the
DSU/CSU.
Table 4-8. Test Status Message
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.
RLB Test Active
Port 1 is in Repeater loopback.
DCLB on Port 1
Port 1 is in a Data Channel loopback.
DTLB on Port 1
Port 1 is in a Data Terminal loopback.
QRSS on Net
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 1
A QRSS test pattern is being sent to the network on the
channels allocated to Port 1.
511 on Port 1
A 511 test pattern is being sent to the network on the channels
allocated to Port 1.
Mon QRSS, Net
A QRSS test pattern is being monitored on the network
interface.
Mon QRSS, Port 1
A QRSS test pattern is being monitored on the channels
allocated to Port 1.
Mon 511, Port 1
A 511 test pattern is being monitored on the channels allocated
to Port 1.
Lamp Test Active
The Lamp test is currently active.
March 1999
key until the TStat selection appears
TStat
F3
F2
3166-A2-GB20-20
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