1/5/2007
EAG Gateway Series Administration Guidelines
MAG-06007 Rev. A
2.2 FXS Line Interface Module
Figure 4. FXS Interface Module Physical View
2.2.1
FXS Line Interface Module Function
EAG FXS interface module provides the interface to analog phones, faxes, modem, and PBX.
It can be used with FXS/FXO Mixed Line Interface Module to meet the different configuration
requirements. The common combinations are described in Table 1.
2.2.2
FXS Line Interface Module Pin Assignment
Each EAG FXS interface module provides up to 24 ports. Each EAG can have up to two FXS interface
modules, 48 analog ports. FXS interface module provides 50 pin CHAMP connector. Table2-5 shows
the scheme of the 50 pin CHAMP connector. EAG supports two configurations of the FXS interface
module
：
16 port FXS module (16S) and 24 port FXS module (24S) .On the 16S interface module, the
pins from 17 to 24 are not used.
Pin Description
Pin
1 RING1
TIP1
26
2 RING2
TIP2
27
3 RING3
TIP3
28
4 RING4
TIP4
29
8