Synway Information Engineering Co., Ltd
Figure 2-5 Trunk Module
z
FXS (Station Module)
This module functions either as a station phone provided it links directly to a telephone or as an
extension phone for the PBX, supporting delivery of the calling party information in FSK/DTMF to
the phone. It uses -48V standard battery feed voltage and the integrated overcurrent/overvoltage
circuit protection system, can accommodate a subscriber line in length of up to 5.5km. Refer to
Figure 2-6 for its hardware structure.
Figure 2-6 Station Module
z
FXC (Composite Module)
A composite module accommodates a trunk channel and a station channel. It has a special
capability of ensuring safe communication via an automatic direct connection of the trunk and
station channels when the driver is not running or the PC is powered off.
2.2 Interface Identification
Each mother/daughter board has 4 RJ11 jacks on the bracket and each jack connects with a
dual-channel module. That is, an FXM32 set can provide 2~32 RJ11 jacks for use.
The pin layout of the 4-pin RJ11 jack is shown as follows.
Pin
Note
1
2 Tip
3 Ring
4
Pin1
Pin4
Table 2-2 RJ11
Figure 2-7 below shows the corresponding relationship between the modules on the motherboard
and the RJ11 jacks.
Synway FXM32 Analog Voice Board Hardware Manual (Version 1.0)
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