Westermo ODW-631 User Manual download pdf (Page 17)

6650-2243

Position Direction* Description Product marking

1 In R+ (EIA RS-485 A’) R+

2 In R– (EIA RS-485 B’) R–

3 In/Out T+ (EIA RS-485 A) T/R+

4 In/Out T– (EIA RS-485 B) T/R–

LED indicators

LED Status Description

PWR

Power

ON In service (power)

Flashing Fault condition

OFF Out of service

RDR OFF Not used

CH 2 OFF Not used

CH 1 ON Fibre link at port CH 1 in operation.

Data can be transmitted

OFF Fibre link at port CH 1 out of operation

Serial data Receive

Flashing Receive accepted data on the serial port.

Data will be transmitted to the fibre link

OFF –

Fibre link data Receive

Flashing Receive data on the fibre link. This frame

is transmitted to the serial port

OFF –

FL R (Red)

Failure Link Remote

ON Remote fibre link failure. A fibre link is

out of operation at any other unit of the

optical network

OFF All fibre links are in operation at all

other units in the fibre optical network

FL L (Red)

Failure Link Local

ON Local fibre link failure. This unit has

identified a fibre link failure

OFF Fibre link of this unit is in operation

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Westermo ODW-631 User Manual Page 17