Chapter 8
Connecting Voice Network Modules
Figure 8-7
PVDM Orientation
PVDMs are manufactured with a polarization notch to ensure proper orientation and alignment holes to
ensure proper positioning.
card. PVDM cards are installed with the connector edge down, the polarization notch near the front of
the chassis, and the component side facing the right side of the chassis.
Caution
To avoid damaging ESD-sensitive components, observe all ESD precautions. To avoid damaging the
HDV network module, avoid using excessive force when you remove or replace PVDMs.
Figure 8-8
OL-2485-20
PVDM Slot Locations
4
3
2
1
0
PVDM slots
Figure 8-8
PVDM Orientation
Alignment holes
Connector edge
60-Channel High-Density Voice Network Module
shows the polarization notch and alignment holes on a PVDM
Polarization notch
Cisco Network Modules Hardware Installation Guide
8-5