Nortel Networks 400 4.0 User Manual

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BCM200/400 4.0 Installation and Maintenance Guide
Chapter 11
Installing the analog terminal adapter 
This section provides installation instructions for the analog terminal adapter 2 (ATA2) or ATA.
The ATA2 connects a standard analog voice device or data communication device to the BCM 
system through a digital station module. Examples of analog voice devices are analog telephones 
and answering machines. Examples of analog data communication devices are modems and fax 
machines. 
The ATA2 is designated as either an ONS (on-premise station) or an OPS (off-premise station) 
port.
Refer to the following sections for information on installing an ATA2:
Refer to 
 for ATA2 specifications.
Configuration overview
This section describes environment configurations for connecting analog and data devices to the 
main unit using an ATA2:
Analog telephone
 shows an installation overview for connecting an analog device through an 
ATA2 to the main unit.