The Octal and Quad FXO Modules are for use in the ATLAS 550 family of products in applications that require analog phone interfaces. Potential applications include termination of analog PSTN trunks and connections to PBX station-side interfaces (OPX). The Octal and Quad FXO Modules support loop-start and ground-start operation. This manual provides an introduction to the device features, installation, and operation.
ATLAS 550 Octal FXO Voice Module User Manual
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