Polycom®
OBi312
ATA Device Installation Guide
The Polycom® OBi312 is a single port FXO and single port FXS Analog Telephone Adapter (ATA) device packaged in
a compact chassis. This device can be used for the following purposes:
●
Analog Backup line for incoming and outgoing calls on FXO port
●
Fax machine on FXS port
●
Local or remote phone on FXS port
The FXO and FXS ports operate independently of each other. For example, the OBi312 can provide phone or fax
service on the FXS port while simultaneously providing an analog back up connection on the FXO port.
Overview of the Installation Process
The OBi312 is normally pre-configured for use with our St telephone system. In most cases, the installer
can connect the OBi312 to the customer’s network along with the appropriate analog telephone connections.
Connecting the OBi312
The rear panel of the OBi312 has a power connection, USB connection, two RJ11 telephone connectors, and two
RJ45 network connectors, as shown in the following picture:
OBi312 Rear View
August 2019
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