ATLAS 550 Octal FXO Module (ATLAS 550 User Interface Module. Provides 8 FXO analog RJ interfaces. Can be used in any user interface module slot.)

Provides eight 2-wire FXO analog interfaces (RJ-45 modular connectors) Supports loop start, ground start, and DPT Each of the interfaces may be mapped to an individual DS0 or dynamically switched based on phone numbers in dial plan Part 68 compliant