Lenze EMF2181IB - Manual (Page 28)

Installation
Electrical installation
Connection for an external modem
5
l
28 EDSMF2181IB EN 3.0
5.2.6 Connection for an external modem
Assignment of the RS232 interface
View Designation
Pin V.24 RS232 Signal Signal name Direction
1 6
5
9
1 109 CF DCD Data Carrier Detector Output
2 104 bb RD Data Output
3 103 BA TD Transmitted Data Input
4 108/2 CD DTR Data Terminal Ready Input
5 102 from SG Signal Ground −
6 107 cc DSR Data Set Ready Output
7 105 CA RTS Request To Send Input
8 106 CB CTS Clear To Send Output
9 125 CE − Ring Indicator Output