Cisco OL-12812-01 - Manual (Page 13)

Connecting Cisco Voice Network Modules to the Network
IP Communications High-Density Digital Voice or Fax Network Module
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Connecting Cisco Voice Network Modules to the Network
Figure 17 PVDM2 Module Slot Locations
PVDM2 Module Orientation
PVDM2 modules are manufactured with a polarization notch to ensure proper orientation, and alignment
holes to ensure proper positioning.
Figure 18 shows the polarization notch and alignment holes on a
PVDM2 module. PVDM2 modules are installed with the connector edge down, the polarization notch
near the back of the chassis.
Caution To avoid damaging ESD-sensitive components, observe all ESD precautions. To avoid damaging the
NM-HDV2 network module, avoid using excessive force when you remove or replace PVDM2 modules.
Figure 18 PVDM2 Module Orientation
95199
3 2 1 0
Connector edge
Polarization notch
95200
Alignment notch
Alignment holes