How to connect
Fibre optic connection
RX1
RX2
LD-63
TX1
TX2
RS-232/V.24
or
RS-422/485
NB When a multidrop connection ends with an LD-63 and the fibre pair is
connected on channel 2, the switch S1:2 must be set (Y-mode)
Connection of RS-232/V.24, RS-422, RS-485
RS-232/V.24
equipment
SG TD RD
PWR
TD RD
OPTO LINK MONITOR
LD-64
Rx1
*) The designations T+, T–, R+, R– are not standardised and may vary between different manufactures. The first step
in fault finding is to reverse the cables (swap T+ with T– and/or R+ with R–). Please note that this should be
done only at one end!
6072-2005
Tel : 03.26.04.20.21 - Fax : 03.26.04.28.20 - Web : http: www.audin.fr - Email : info@audin.fr
RX1
LD-63
TX1
RS-232/V.24
C
E
C
E
Ch1
Ch2
Rx2
AUDIN - 8, avenue de la malle - 51370 Saint Brice Courcelles
RX2
TX2
or
RS-422/485
Rx2
Tx1
Tx2
RS-422/485
POWER
R+
R- T+
T-
1 2
3
4
5
N
L
*
T
+
T
–
R
+
R
–
RS-422
equipment
RX1
RX2
LD-63
TX1
TX2
RS-232/V.24
or
RS-422/485
Rx2
Tx1
Tx2
RS-422/485
POWER
R+
R- T+
T-
1 2
3
4
5
*
T
+
T
–
RS-485
equipment
N
L
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