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
75
Ω
unbalanced signals are valid
120
Ω
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
75
Ω
unbalanced signals are valid
120
Ω
balanced signals are valid
As shown in above figure, the default status is set as ‘75
Ω
unbalanced signal BNC interface are valid’.
Note: Suggest using adapter for 75
Ω
unbalanced signal and using DB37 connection for120
Ω
balanced signal.
1 2 3 4
ON
OFF