Westermo LD-01 - Manual (Page 4)

10 6154-2001
Direction RS-232-C/V.24 CCITT V.24 Description
DCE Channel 1 Channel 2 Channel 3 Circuit no.
O 1 109 DCD/Data Carier Detect
O 2 4 6 104 RD/Received Data
I 3 2 8 103 TD/Transmitted Data
I 4 108/2 DTR/Data Terminal Ready
– 5 5 5 102 SG/Signal Ground
O 6 107 DSR/Data Set Ready
I 7 105 RTS/Request To Send
O 8 106 CTS/Clear To Send
NC 9
Connections
Connection RS-232-C/V.24
Direction Pin configuration 10mA balanced current loop Signal name
Channel 2 Channel 3 Channel 4
Receiver 1 9 2 R+
Receiver 2 8 1 R-
Transmitter 3 7 4 T+
Transmitter 4 6 3 T-
5 5 5 1) Shield
Line connection
1) If shielded cable is used, connect the shield only at one end to avoid ground currents.
N 115V*/230V
L AC power
PE/Protective Earth
Power connection (AC)
(3-position screw-terminal)
* LD-01 115V only
Screw
no.
Power
Supply
I = Input O = Output, the LD-01 is a DCE (Data Communication Equipment) NC = Not connected
= the signals are only connected with each other.