Modular Multi-service Integrated Optical Transmission Multiplexer
User Manual
8
Note: The physical interface is DB25. If equipment is furnished with
V.35 interface, then the DB25-V.35 conversion line shall be
provided. It is used to butt connect with DTE port to convert
DB25M into DB34F and can also be used for direct connection
with DTE equipment. If equipment needs to be connected with
DCE device, cross connection in DCE-to-DCE structure can be
applied. Please make it clear when placing order.
FXO/FXS Voice Channel Interface Card:
(Each card contains four or
eight channels of FXO/FXS interface)
FXO Interface Card, to provide FXO interface connected with switch;
FXS Interface Card, to provide FXS interface connected with ordinary
telephone set.
1. DB9 (hole) Interface:
2. RJ45 Interface:
1,2,3,4,
5,6,7,8
4-Channel FXO/FXS Interface
1,2 The 1
st
Loop Audio
3,4 The 2
nd
Loop Audio
5,6 The 3
rd
Loop Audio
7,8 The 4
th
Loop Audio
1,2
：
The 1
st
channel loop audio
3,4
：
The 2
nd
channel loop audio
5,6
：
The 3
rd
channel loop audio
7,8
：
The 4
th
channel loop audio
Left DB9
：
1,2
：
The 1
st
channel loop audio
3,4
：
The 2
nd
channel loop audio
5,6
：
The 3
rd
channel loop audio
7,8
：
The 4
th
channel loop audio
Right DB9
：
1,2
：
The 5
th
channel loop audio
3,4
：
The 6
th
channel loop audio
5,6
：
The 7
th
channel loop audio
7,8
：
The 8
th
channel loop audio
4-Channel FXO/FXS Interface
8-Channel FXO/FXS Interface
