Measurement Computing Micro488/p - Manual (Page 14)

2-4 09-26-02 Getting Started
2.4 Serial Cable Wiring
If a cable was not purchased with the interface, the following diagrams will be helpful
in making your own cable. Simple soldering skills and attention to detail will ensure
successful construction.
IBM PC/XT/PS2 to Micro488/p IBM AT to Micro488/p
DB25, Female DB25, Male DB9, Female DB25, Male
TXD 2 2 TXD DCD 1 8 DCD
RXD 3 3 RXD RXD 2 3 RXD
RTS 4 4 RTS TXD 3 2 TXD
CTS 5 5 CTS DTR 4 20 DTR
DSR 6 6 DSR GND 5 7 GND
GND 7 7 GND DSR 6 6 DSR
DCD 8 8 DCD RTS 7 4 RTS
DTR 20 20 DTR CTS 8 5 CTS
Two Scenarios for Making an Interface Cable (RS-232)
2.5 Hardware Installation
Installation of the Micro488/p consists of plugging the device into an available serial
port on the host computer.