Key Features of the 4-Port FXO Mini-Physical Interface Module
The 4-Port Foreign Exchange Office (FXO) Mini-Physical Interface Module (Mini-PIM) provides the following key features:
- Highly programmable and globally compliant FXO and FXS interface
- Global design, as most of the country-specific parameters are software programmable
- International safety standard
- Caller ID support
- Pulse dialing support
- Parallel handset detection
- Line voltage and loop current monitor to detect the parallel phones
- Loop start signaling
- Programmable line interface for
- AC termination
- DC termination
- Ringer impedance
- Ring detect threshold
- Unbalanced ringing mode supported internal to the chip
- Loop length up to 1000 feet with 2REN load
- In-band address signaling (DTMF)
