MICROpod User Manual
A0016-09-0001
Version Number: 4.00
Page 10
Template Version: 2.01
Revision Date: 24.06.2013
Forsberg Services Limited
Company Registration No: SC104949
Registered Office: Forsberg Services Ltd, 1 East Craibstone Street, Aberdeen, AB11 6YQ
7.4
Null Modem Cable (9way D-Type Female to 9way D-Type Female)
Figure 5 Null Modem Cable
Null Modem Pin out
Connector
Input
Connector
Output
Signal name
Description
1
-
-
-
2
3
RXD
Receive Data
3
2
TXD
Transmit Data
4
6
DTR
Data Terminal Ready
5
5
GND
Signal Ground
6
4
DSR
Data Set Ready
7
8
RTS
Request To Send
8
7
CTS
Clear To Send
9
-
-
-