Westermo MA-12 - Manual (Page 4)

10 6012-2001
Connections
Line connections
(5-pos. screw-terminal)
Direction No. Description
Receiver 1 R+
Receiver 2 R–
Transmitter 3 T+
Transmitter 4 T–
5 Shield
Terminal connection (DCE)
(RS-232-C/V.24/V.28, 25-position D-sub, female)
Direction 1)Pin CCITT V.24 Description
no. Circuit number
I 2 103 TD / Transmitted Data
O 3 104 RD / Received Data
I 4 105 RTS / Request to Send
O 5 106 CTS / Clear to Send
O 6 107 DSR / Data Set Ready
– 7 102 SG / Signal Ground
O 8 109 DCD / Data Carrier Detect
I 11 – AUX / Auxiliary
I 19 120 SRS / Secondary Request to Send
I 20 108/2 DTR / Data Terminal Ready
I 25 133 RFR / Ready For Receiving
1) I = Input O = Output on MA-12