Cisco OL-12812-01 - Manual (Page 5)

Connecting Cisco Voice Network Modules to the Network
60-Channel High-Density Voice Network Module
5
Connecting Cisco Voice Network Modules to the Network
Figure 7 PVDM Slot Locations
PVDM Orientation
PVDMs are manufactured with a polarization notch to ensure proper orientation and alignment holes to
ensure proper positioning.
Figure 8 shows the polarization notch and alignment holes on a PVDM 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 PVDM Orientation
22955
PVDM slots
4 3 2 1 0
Alignment holes
Connector edge Polarization notch 22953