Raisecom Technology Co., Ltd
14
4.3.1. S1---S4 introduction
There are 4 DIP-switches on the bottom. The dip-switch can be set
using small sharp pen or tools. Each set of dip-switch is in
correspondence with E1 port.
Definition as following:
1
st
2
nd
3
rd
4
th
1
st
2
nd
3
rd
4
th
ON ON ON OFF Or
OFF OFF OFF ON
75
Ω
unbalanced signal effective
120
Ω
balanced signal effective
As shown in figure above, the default status is set as “75
Ω
unbalanced signal BNC
interface effective”.
Note: It is suggested that use adapter for connecting 75
Ω
unbalanced signal; use DB37
connector for 120
Ω
balanced signal
1 2 3 4
ON
OFF
