Chapter 6 Card and Service Configuration

DS3 Loopback Test

Configure Transmit FEAC Code

Configure DS3 for Sending Looped or Normal Data

To verify that DS3 can be configured to send looped or normal data:

MGX 8230 Switch with T3 Interface

Transmit FEAC Codes

Receive FEAC Validation

DTA Tester

(Digital

Transmission

Analyzer)

46087

Step 1 Select a node with PXM-T3 back card.

Step 2 Configure the line using cnfln -felpbnum 30.

Step 3 Configure the transmit FEAC code to be dsx3SendNoCode by using CLI command, cnfln -ds3<slot>.<port> -tfeac 1.

Step 4 On the node, verify that the default FEAC code shows up as LineXmtFEACCode : SendNoCode using dspln -ds3<slot>.<port>.

Step 5 Check that dsplog does not show any errors or alarms logged.

Step 6 On the tester (for example, HP cerjac tester), check that the code for dsx3SendNoCode has been received. Pass Criteria:

The dspln should show LineXmtFEACCode as SendNoCode.

The code that has been transmitted is received on the tester and verified.

No errors logged on the console or the log.

Configure DS3 to Send Line Loopback

To verify that DS3 can be configured to send line loopback:

 

 

 

 

 

 

DTA Tester

MGX 8230 Switch

 

 

Transmit FEAC Codes

 

 

 

 

 

(Digital

 

 

 

 

 

with T3 Interface

 

 

 

 

 

Transmission

 

Receive FEAC Validation

 

 

 

Analyzer)

 

 

 

 

 

 

 

 

 

 

 

 

 

46087

 

 

 

Step 1

Select a node with PXM-T3 back card.

 

 

 

Step 2

Configure the line using cnfln -felpbnum 30.

 

 

 

Step 3

Configure the transmit FEAC code to be dsx3SendLineCode by using CLI command, cnfln -ds3

 

 

 

 

<slot>.<port> -tfeac 2.

 

 

 

Step 4

On the node, verify that the default FEAC code shows up as LineXmtFEACCode : SendLineCode using

 

 

 

 

dspln -ds3<slot>.<port>.

 

 

 

Step 5

Check that dsplog does not show any errors or alarms logged.

 

 

 

Cisco MGX 8230 Edge Concentrator Installation and Configuration

 

 

 

 

 

 

 

 

 

 

6-60

 

 

Release 1.1.31, Part Number 78-11215-03 Rev. B0, May 2001

 

 

 

 

 

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Cisco Systems MGX 8230 manual Configure Transmit Feac Code, Configure DS3 for Sending Looped or Normal Data