From Wiki
1. What is FXOS200
FXOS200 is a Dual-channel module, which builds one FXO and one FXS channel with failover capability. When PBX system is down, PSTN line connecting FXO will automatically switch to analog phone connecting
with FXS.
2. Versions of cards support for FXOS200
1) A400P V2.0, V3.0, V4.0, V5.0, V5.1.
2) A400E V1.0, V1.2, V1.3
3) A400MS V1.0, V1.1
4) A800P V1.0, V1.1, V1.2
5) A800E V1.0
6) A1200P V2.0, V3.0, V4.0.--------FXOS200 can’t be used on the last two modules of A1200P
7) A1200E V1.0 ------------- FXOS200 can’t be used on the last two modules of A1200E
3. Versions of cards don’t support for FXOS200
1) A2410P V1.0, V1.1
