Rs-2 – HEIDENHAIN SHB Data Interfaces for HEIDENHAIN User Manual
Page 14
June 2011
3 – 15
3.2.2 RS-232-C/V.24 data interface, 9-pin, D-sub
Flange socket with female insert
Pin no.
Assignment
Designation
1
Shield
Chassis Ground
2
TxD
Transmit Data
3
RxD
Receive Data
4
DSR
Data Set Ready
5
GND
Signal Ground
6
DTR
Data Terminal Ready
7
CTS
Clear to Send
8 RTS
Request
to
Send
9
Not assigned
Chassis
External shield = Chassis
Control model
RS-232-C/V.24 connector
X21
TNC 124
x
TNC 310
x
TNC 370
x