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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 configuration 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 alarm on dsx3.
Note If you are connecting dsx3 to IGX, make sure that LSS is disabled. The command to do that is
xcnfalm "-plcp 1 -lsen 2".