Specifications

1-6
Introducin
g
the ELMo 120 Multiplexer
Revision 2.01 ELMo 120 Multiplexer Installation and Maintenance Guide 08-01023-01
Voiceband filtershelf connectors
The voiceband filter shelf contains three rows of connectors, all located on the
backplane of the shelf. The top row supports the connection from the facility
external voice network (PSTN or PBX). The middle row supports the
connection from the customer premise equipment (CPE) lines. The bottom
row supports the connection from the ELMo 120 Modem cards.
Figure 1-4 shows the voiceband filter shelf.
Figure 1-4
Voiceband filter shelf connectors
Filter
Shelf
Back-
plane
Voice
Net.
Line
CPE
Data
Modem
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