Westermo LD-64 - Manual (Page 19)

19 6073-2002
Connections LD-64
Line connection
(5-position screw-terminal)
Terminal connection (DCE)
(RS-232-C/V.24, 9-position screw-terminal)
Direction Connection ITU-T V.11
nr. Description
Receiver 1 A’ (R+)
Receiver 2 B’ (R–)
Transmitter 3 A (T+)
Transmitter 4 B (T–)
5 Shield
Direction Screw ITU-T V.24 Description
nr. Description
I 8 103 TD/Transmitted Data
O 7 104 RD/Received Data
– 9 102 SG/Signal Ground
I = Input O = Output on LD-64
1 2 3 4 5 L N
LD-64
RS-422/485 POWER
R+
Rx1
Rx2
Tx1
Tx2
R- T+ T-
TD RD C E PWR
OPTO LINK MONITOR
Ch1
C E
Ch2
Power connection
LD-64 DC
2-position screw-terminal
Screw Power-
no. supply
1 – Voltage
2 + Voltage
Power connection
LD-64 AC
3-position screw-terminal
Connection
Power
supply
L 115*/230V
N AC power
PE/Protective Earth
* LD-64 115V
Power connection
LD-64 HV
3-position screw-terminal
Connection
Power
supply
L + Voltage
N – Voltage
PE/Protective Earth
The definations R+/R–,T+/T– can be various between
different manufactures.