Malfunction Diagnoses And Elimination - Baudcom BD-E1-ETH User's Reference Manual

6.2 Power Installing
Power of AC220V/ DC-48V is suitable for the device. If the power of
DC-48V is used, the positive and negative terminal can be optional because there is
the self-test circuit for the polarity inside the device.

7 MALFUNCTION DIAGNOSES AND ELIMINATION

When the device works well, the light of PWR and LNK should be on and
DATA should be flick.on, and others should be off
7.1．Power failure
7.2．E1 port failure
E1 port warning
7.3．LAN port failure
7.4．PING problem
status
All LED normal, but
couldn't PING
status
PWR off
status
status
LNK off
Both LAN not in one IP
The device is on TEST status
solution
Check power supply AC or DC, the
detailed supply value
Connect power
Check power wire connection
solution
Check the BNC connector
Make right E1 wire IN and OUT, not
reverse
solution
Check LAN wire connection
cause
11
solution
Make local and remote
device point to point PING
by one IP
Loop-back button on the
front panel pressed, please
make it not press