8. Testing

Data Channel Loopback (DCLB)

The Data Channel Loopback command (DCLB) loops the data received from the network interface, for all DS0 channels allocated to the selected port, back to the network. The loopback occurs after the data passes through the port circuitry but before it is sent out the data port.

 

DSU

CSU

DTE

 

NETWORK

(DSX-1)

 

INTERFACE

DCLB

DCLB

 

ALL 1s

ALL 1s

PORT 2 PORT 1

496-14315-02

Procedure

To perform a Data Channel loopback:

1.From the top-level menu screen, select Test.

2.From the Test screen, select Lpbk.

Test:

Rlpbk Lpbk Ptrns

F1 F2 F3

3.From the Loopback screen, press the key until the DCLB selection appears on the screen.

4.Select DCLB.

Loopback:

DLB RLB DCLB

F1 F2 F3

3160-A2-GB24-10

March 2001

8-13

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Paradyne 3160-A4, and 3165-A4, 3161 manual Data Channel Loopback Dclb
Page 150 Page 152

3160-A4, 3161, and 3165-A4 specifications

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