Specifications

Chapter 4 4-Wire E&M/TO Configuration
4-2
applications. Refer to Figure 5-1 and Figure 5-2 below for pictorial representations of these typical
applications.
Dedicated Transmission-Only
Modem for Data
Public or
Private
Network
Access Bank I
Analog PBX
Stations
T1 Network Connection
Up to 24 E&M or TO
Interfaces in 12 Channel
Increments
4-Wire E&M
Normal Mode
4-Wire E&M
TO Mode
Figure 5-1. Normal Mode E&M Termination