Monitoring and Testing
4-193163-A2-GB20-10 March 1999
Displaying DSU/CSU TestStatusUse 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 4-6.
"Procedure
To display test status:
1. From the top-level menu screen, select Stat.
2. From the Status screen, press the key until the
TStat selection appears on the screen.
3. Select TStat.
F1
Status:
STest Perf TStat
F2 F3
The Test Status screen appears showing you what
tests are active for the DSU/CSU.
Table 4-6
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.
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.