4-14
Cisco VISM Installation and Configuration Guide
Release 3.0, Part Number OL-2521-01 Rev. D0, June 2004
Chapter4 Configuring VISM Features
Configuring VISM Features
Step 6 Type the addlnloop command, a line-num argument value, and press Enter to set a spec ified line to the
local loopback state. Specify the line-num argument in the range from 1 to 8.
Use the dellnloop command to remove the local loopback state on a VISM line.
Note The VISM CLI has no command for setting a line to the remote loopback state. Use the
cnfbert command on the PXM card to set a line to the remote loopback state.
You have completed configuring T1 and E1 lines for your VISM card. Proceed to the “Placing T1 and
E1 Lines In Service” section on page 4-14.

Placing T1 and E1 Lines In Service

Type the cnflnis command, a line-num argument value, and press Enter to place a T1 or E1 line in
service. Specify the line-num argument in the range from 1 to 8.
Note If the VISM card is rebooted, this information configur ation u sin g this comm a nd is l ost.

Placing T1 and E1 Lines Out of Service

Type the cnflnoos command, line-num and oos-method argument values, and press Enter to place a T1
or E1 line out of service. Specify the arguments with the following values:
•line-num: In the range from 1 to 8
•oos-method:
–
2 = Forceful
–
3 = Graceful
Configuring the PXM and VISM Cards Clocking Source
Complete the following steps to configure the clocking source on your PXM and VISM cards.
Note Refer to AppendixA, “VISM and VISM-PR Card Clocking Options,” and the “Expanded Clock
Source Selection” section on page 4-69 for additional instructions on using the commands and
specifying argument values to configure the clocking source on your PXM and VISM cards.
Step 1 Examine the entire configuration of the MGX 8000 Series platform to determi ne the single clock source.
The type of equipment connected to the VISM T1 or E1 lines may dictate this choice. If the selected
clock source is from one of the VISM T1 or E1 lines, that line must be connected to port 1 of the VISM
back card. See Figure 1-3 on page 1-4 for more information on VISM back cards and port locations.