
1. Product Introduction
5
1.5
Interface Module
GS8 has four extended slots which support three kinds of cards: GSM card, CDMA and FXO card.
The mix is also supported.
One GSM card supports one GSM call, one CDMA card supprts one CDMA call, but one FXO
card has two FXO ports, so it supports two FXO calls. In total, GS8 supports eight FXO calls or
four GSM calls or four CDMA calls.
1.5.1
FXO Interface Card
FXO interface card can be set on your PBX or telephone exchange SPC switch as an extension.
There are two FXO ports and two indicators per FXO card, the corresponding light is on when the
line is off-hook.
1.5.2
GSM/CDMA Interface card
GSM or CDMA interface modules: there are two LED lights to show running status:
Figure 1-4
FXO interface card