Raisecom Technology Co., Ltd
8
•
5
th
bit: loop-back type options
This switch is used to choose “remote loop-back” or “local loop-back” when performing
the E1 loop-back operations.
5
th
bit
Loop-back type option
OFF
Remote loop-back enable
ON
Local loop-back enable
Figure2: sketch map of setting remote loop-back on local site
Figure3: sketch map of setting local loop-back on local site
Note: When any loop-back is set on local site, 1
st
~ 4
th
loop- back DIP-switch of remote site
must be all off (not loop-back).
•
6
th
bit: Vacant.
4.2.3. DIP-switch for Manufactures Setup
The 4-bit dip-switch SW11 is used by the manufacturer to configure the module during
manufacturing. Users are not advised to change its default status.
Local
Remote
Fiber
E1
E1
Multipl
exer
BER tester
Multipl
exer
Local
Remote
Fiber
E1
E1
Multipl
exer
BER tester
Multipl
exer