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OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
Note: Only two test method can be set: single E1 channel loop-back or all E1 channels
loop-back. When single E1 channel loop-back is testing, the other channels are working
without disturbance.
th
•
5
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.
th
5
OFF
ON
BER tester
E1
Figure2: sketch map of setting remote loop-back on local site
BER tester
E1
Figure3: sketch map of setting local loop-back on local site
Note: When any loop-back is set on local site, 1
must be all off (not loop-back).
th
•
6
bit: Saving the configurations
OFF: when rebooted, the equipment will read from the saved configurations.
ON: when rebooted, the equipment will not read from the saved configurations.
th
6
OFF
ON
OFF
OFF
OFF
ON
ON
ON
ON
OFF
ON
bit
Loop-back type option
Remote loop-back enable
Local loop-back enable
Multipl
exer
Local
Multipl
exer
Local
bit
Switch for saving configurations
Read from the saved configurations when
booting
Not read from the saved configurations when
booting
OFF
ON
ON
OFF
ON
ON
OFF
OFF
OFF
ON
ON
OFF
ON
ON
OFF
OFF
ON
ON
Fiber
Multipl
exer
Fiber
Multipl
exer
st
th
~ 4
loop- back DIP-switch of remote site
7
Raisecom Technology Co., Ltd
st
1
E1
nd
2
E1
rd
3
E1
th
4
E1
th
5
E1
th
6
E1
th
7
E1
th
8
E1
All E1 links
E1
Remote
E1
Remote
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