Westermo MA-49 - Manual (Page 4)

10 6049-2001
Connections
Line connection
(5-position screw-terminal)
Direction Pin ITU-T V.24 Signal name
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 20 108/2 DTR/Data Terminal Ready
I = Input, O = Output MA-49
Terminal connection (DCE)
(RS-232-C/V.24, 25-Position D-sub, female)
Look right for a section of rack RV-01 with
one MA-49 mounted.
Terminal connection to a 25-position D-sub (female) connector on MA-49.
Line connection to a 5-position detachable screw-terminal, which is mounted on the
male connector located at the rear of RV-01.
1
13
25
14
1
2
3
4
5
1 2 3 4 5
Direction Pin CCIT V.11
no. Description
Receiver 1 A’ (R+)
Receiver 2 B’ (R-)
Transmitter 3 A (T+)
Transmitter 4 B (T-)
Shield
The definations R+/R–,T+/T– can be various between
different manufactures.