User manual

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
75Ω unbalanced signal effective 120Ω balanced signal effective
As shown in figure above, the default status is set as “75Ω unbalanced signal BNC
interface effective”.
Note: It is suggested that use adapter for connecting 75Ω unbalanced signal; use DB37
connector for 120Ω balanced signal
1 2 3 4
ON
OFF