Commissioning
Initial switch−on
6
l
38
EDSMF2181IB EN 3.0
6.4 Initial switch−on
Signalling
2181FEW001H
Fig. 6−1 Signalling on the front of the communication module
Pos. Colour State Description
0
(M)
yellow
on The ModemCAN 2181 is ready for operation.
blinking Active communication over the telephone network
1
(E)
red
on l Operation via the diagnostic interface:
No device is connected to the diagnostic interface.
see ^ 40 l Operation via CAN:
ERR LED
2
(R)
green
on l Operation via the diagnostic interface:
A device is connected to the diagnostic interface.
see ^ 40 l Operation via CAN:
RUN−LED
3
(P)
green on The ModemCAN 2181 is supplied with voltage.
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