Westermo ODW-632 User Manual
Page 27
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27
6650-2253
End unit 1
Unit 2
End unit 3
CH2
–
Bi-di 1550 nm
–
CH1
Bi-di 1310 nm
Bi-di 1310 nm
Bi-di 1550 nm
Multidrop with Bi-di transceivers
Hints
If the distance is too long, it may be necessary to adjust the timing of the sender of the
frame to allow acknowledgement of the received frame, during configuration of the PLC
master.
Ensure that the correct protocol dependent configuration has been selected.
Flashing of the TD LED indicates that a start-bit has been identified.
The definition of positive and negative T/R+, T/R– and R+, R– can differ between this
ODW-631 and other units so it can be helpful to reverse the connection of + and –.
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