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Cisco MGX 8220 Installation and Configuration
Release 5.0, Part Number 78-6430-03 Rev. D0, November 2003
Chapter Configuring IMATM Connections
Sample Display
LineNum: 1
LineType: dsx3CbitParity
LineCoding: dsx3B3ZS
LineLength: LessThan450ft
LineOOFCriteria: 3 out of 8
LineAIScBitsCheck: Check C-bits
LineLoopbackCommand: NoLoop
LineRcvFEACValidation: 4 out of 5 FEAC codes
LineNumOfValidEntries: 1
Syntax : dspdsx3ln "line_num"
line number -- value of 1 is accepted, for IMATM-T3T1/E3E1
PLCP Configuration for ds3

The command to configure plcp for ds3 is xcnfln. Syntax follows:

xcnfln "-plcp <PLCPNum> -ps <PLCPPayloadScramble>
-lp <LoopCmd>"
-plcp <PLCPNum> where PLCPNum = 1, if IMATM-T3T1/E3E1
-ps <PayloadScramble> where PayloadScramble = 1 - 2
1: enabled 2: disabled
-l p <LoopCmd> where LoopCmd = 1 - 3, 1: NoLoop, 2: RmtLoop, 3:LocalLoop

The command to see the plcp co nfigu rati on is dspplcplns.

AXIS18.1.9.IMATM.a > dspplcplns

Sample Output

PLCP CellFraming PayloadScramble PlcpLoopback
---- ----------- --------------- ------------
9.1 PLCP Disabled None
PLCPNumOfValidEntries: 1
Syntax : dspplcplns

Make sure that Payload Scramble is configured correctly on IMATM as well as on the other side of

dsx3. Otherwise, there will be an al ar m o n dsx 3 .

Note If you are connecting dsx3 to IGX, m a ke su r e t ha t L SS is disabled. The command to do t ha t i s

xcnfalm "-plcp 1 -lsen 2".