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Cisco VISM Installation and Configuration Guide
Release 3.0, Part Number OL-2521-01 Rev. D0, June 2004
Chapter5 CLI Commands
cnfln
cnfln
To configure characteristics for a VISM card line, use the cnfln command in the VoIP
switching/trunking, switched AAL2 PVC, and AAL2 trunking operating modes.
cnfln line-num line-code line-length clock-source line-type loop-detection
Syntax Description line-num Line number with which to configure characteristics. In the range from 1 to 8.
line-code Line coding method. It can be one of the following values:
•2 = Bipolar 8-zero substitution (B8ZS), for T1
•3 = High-density bipolar 3 (HDB3), for E1
•4 = Alternate mark inversion (AMI), for T1 or E1
line-length Line length. It can be one of the following values:
•8 = For E1 cards with an SMB back card
•9 = For E1 cards with an RJ48 back card
•10 = 0 to 131 feet, for T1
•11 = 131 to 262 feet, for T1
•12 = 262 to 393 feet, for T1
•13 = 393 to 524 feet, for T1
•14 = 524 to 655 feet, for T1
•15 = More than 655 feet, for T1
clock-source Clock source. It can be one of the following values:
•1 = Loop clock. The loop clock source is from the l ine spec i fied by the
line-num argument. The local clock source is from the MGX 8000 Series
platform.
•2 = Local clock. The local clock source is from the MGX 8000 Series plat form.
Note Refer to the “Configuring the PXM and VISM Cards Clocking Source”
section on page 4-14, the “Expanded Clock Source Selection” section
on page 4-69, and Appendix A, “VISM and VISM-PR Card Clocking
Options,” for clocking rules.