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Cisco VISM Installation and Configuration Guide
Release 3.0, Part Number OL-2521-01 Rev. D0, June 2004
Chapter4 Configuring VISM Features
Configuring Additional VISM Features
Configure PVC OAM Cell Parameters
This feature allows you to configure the transmitted and received permanent virtual circuit (PVC)
Operations, Administration, and Maintenance (OAM) cell parameters—cell gap, re covery cell count ,
and unacknowledged cell count.
PXM1E and PXM45 Card-Only Features
Software Release 3.0(0) for VISM/VISM-PR introduces a new card—VISM-PR. You can use the
VISM-PR card in combination with any of the following MGX 8000 Series switch Processor Module
cards:
•PXM1
•PXM1E
•PXM45
Table 4 -7 describes the configuration requirements for VISM/VISM-PR in combination with the MGX
8000 Series switches and supported processor modules.
Refer to the Cisco MGX 8850 Hardware Installation Guide, Release 3 for information on installing and
maintaining the PXM1, PXM1E, and PXM45 cards.
Note You cannot use the VISM card in combination with either the PXM1E or PXM45 card.
The VISM-PR card supports 144 channels when used with the G.723.1 codec. The VISM card does not
support the G.723.1 codec.
The following software Release 3.0(0) for VISM/VISM-PR features require either the PXM1E or
PXM45 card and are not supported if you are using PXM1 cards in your MGX 8000 Series switch
chassis:
•Call Agent-Controlled VoATM AAL1 and AAL2 SVC
•AAL1 SVC-Based TDM Hairpinning
•Expanded Clock Source Selection
Note Clock source configuration support and procedures are not changed from previous
releases of software if you are using a PXM1 card in your M GX 80 00 Ser i es sw itch
chassis.
Table4-7 VISM/VISM-PR and MGX 8000 Series Switch Support
VISM Module MGX 8230
with PXM1 MGX 8830
with PXM1E MGX 8250
with PXM1 MGX 8850
with PXM1 MGX 8850
with PXM1E MGX 8850
with PXM45
MGX-VISM-8T1 Yes No Yes Yes No No
MGX-VISM-8E1 Yes No Yes Yes No No
MGX-VISM-PR-8T1 Yes Yes Yes Yes Yes Yes
MGX-VISM-PR-8E1 Yes Yes Yes Yes Yes Yes