Specifications
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Revision 2.01 ELMo 120 Multiplexer Installation and Maintenance Guide   08-01023-01
Introducin
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 the ELMo 120 Multiplexer
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This document describes the installation and maintenance procedures for the 
ELMo 120 Multiplexer. The ELMo 120 Multiplexer shelf is the backbone 
component of an EtherLoop system, supporting 120 Elite modems in 
voice/data or data-only applications. 
Chapter Contents
This chapter includes the following information.
ELMo 120 Multiplexer installation overview
The ELMo 120 Multiplexer uses a dedicated EtherLoop cross-connect to 
connect to the Elite modems installed in an existing customer premise 
equipment (CPE) network. Installing the ELMo 120 Multiplexer consists of 
two main tasks:
• installing the ELMo 120 Multiplexer shelf into an equipment bay
Note: 
In voice/data applications, the shelf installation includes installing 
the auxiliary voiceband filter shelf. 
• connecting the ELMo 120 Multiplexer to the Elite/CPE network, the 
Ethernet data network, and the external voice network via the dedicated 
EtherLoop cross-connect 
Chapter 2 contains the installation procedures for the ELMo 120 Multiplexer.
Topic See
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ELMo 120 Multiplexer components pa
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