Westermo ODW-641 - Manual (Page 15)

15 6650-2291
LED Indicators
LED Status Description
PWR
Power
ON Power is on.
Flashing Unit configured as ring master
(DIP-switch S2:3 is ON).
OFF Power is off.
BA
Bus active
ON Data rate has been identified and
data frames are being received on
the electrical or optical interface.
OFF Data rate has not been identified.
CH 2 Not used
CH 1
Channel 1 link status
ON Fibre link to other unit has been
established at CH 1.
Flashing Optical power detected but link to
other unit has not been established
at CH 1.
OFF No optical power detected and
no link to other unit has been
established at CH 1.
DPR
Receive PROFIBUS DP
Flash Data received on the electrical
interface and transmitted out on
the optical interface.
OFF No data received on the electrical
interface.
FR
Receive fibre link
Flash Data received on the optical interface
and transmitted out on the electrical
interface.
OFF No data received on the optical
interface.
FL R
Failure link remote
ON Remote fibre link failure. A fibre link
is out of operation at any other unit
than this one.*
Flashing Hardware error or invalid configura-
tion.
FL L
Failure link local
ON Local fibre link failure. A fibre link is
out of operation.
Flashing Hardware error or invalid configura-
tion.
* N.B. Only valid if used togheter with ODW-642 units in a multidrop network.