Nortel Passport 4400 Series Hardware Installation Manual page 96

Passport 4400 Hardware Installation Manual
Module
Switch Group
Receptacles (6) for
Digital Voice Modules
On the right front are 13 indicators. Of these, the six on the left are associated
with the voice/fax channels represented by the six Digital Voice Modules, while
the seven on the right are associated with the Voice Module.
At the center and on the right side are four feed-through stacking connectors used
to connect the Voice Module to the base unit module below it and to any expansion
module above it.
DSX-1
Test
Interface
Line 1 E1
Interface
Connectors
9-2
Rear
(Back Panel)
Figure 9-1. T1/E1 Voice Module
Reserved for future use
Figure 9-2. T1 Voice Module Rear Panel
Figure 9-3. E1 Voice Module Rear Panel
T1/E1 and Digital Voice Modules
Stacking Connectors
Front
Reserved for future use
Indicators