User manual

Raisecom Technology Co., Ltd
12
4.3. DIP-Switch of device on bottom
There are two 8-bit switches, each of which is corresponding to 2 E1 branch links configuration nearby
the E1interface at the bottom of equipment
The dip-switch can be set by 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 signals are valid 120Ω balanced signals are valid
5
th
6
th
7
th
8
th
5
th
6
th
7
th
8
th
ON ON ON OFF Or OFF OFF OFF ON
75Ω unbalanced signals are valid 120Ω balanced signals are valid
As shown in above figure, the default status is set as ‘75Ω unbalanced signal BNC interface are valid’.
Note: Suggest using adapter for 75Ω unbalanced signal and using DB37 connection for120Ω
balanced signal.
1 2 3 4
ON
OFF