PLANET MODULE IPX-21FO 4-PORT FXO

QUICK OVERVIEW

Ref.: IPX-21FO
The IPX-21FO module has 4 RJ11 ports for PSTN line connection and applies to PLANET’s
IPX-2100/IPX-2500, IPX-2200, IPX-2100v2/IPX-2500v2 IP PBX System.
Detects ringing when on-hook
Detects loop current when off-hook
Detects tip/ring voltage crossing a set voltage when on-hook or off-hook (called DC triggering)
Can accommodate private branch exchange (PBX) with -48V battery voltage
Loop current range: 13~110mA
Voltage detection threshold is software-selectable