8. Testing
3160-A2-GB24-10 March 2001 8-23
Displaying DSU/CSU Test Status

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 Ta ble 8-4 , Te st

Status Message.

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.

The Test Status screen appears showing you what tests are active for the

DSU/CSU.

Tabl e 8-4 . Test S tatu s Me ssag e

Message Description
18 Test Active A 1-in-8 test pattern is being sent on the network interface.
511 on Port
n
A 511 test pattern is being sent to the network on the channels
allocated to port
n
.
DCLB on Port
n
Port
n
is in a Data Channel loopback.
DLB Test Active The DTE Drop/Insert (DSX-1) port is in DTE loopback.
DLB Test, Extrn The DTE Drop/Insert (DSX-1) port is being held in DTE loopback by
the external contact.
DTLB on Port
n
Port
n
is in a Data Terminal loopback.
Lamp Test Active The Lamp test is currently active.
LLB Test Active The network interface is in Line loopback.
Mon 511, Port
n
A 511 test pattern is being monitored on the channels allocated to
port
n
.
Mon QRSS, Net A QRSS test pattern is being monitored on the network interface.
Mon QRSS, Port
n
A QRSS test pattern is being monitored on the channels allocated to
port
n
.
No Test Active No tests are currently active.
PLB Test Active The network interface is in Payload loopback.
RLB Test Active The DTE Drop/Insert (DSX-1) port is in Repeater loopback.
QRSS on Net A QRSS 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
.
F1 F2 F3
Status:
STest Perf TStat