Measurement Computing Micro 488/EX rev.2.1 - Manual (Page 32)

Section 2 Getting Started
2.18
IBM AT to Micro488/EX Wiring Diagram (RS-232)
8
7
6
4
1
2
3
5
2
3
7
-RxD
-TxD
Gnd
-RxD
DCD
Gnd
-TxD
DB-9 Female DB-25 Male
4 CTS RTS
5 RTS CTS
DSR
DTR
IBM AT to Micro488/EX
Note: Standard AT 9 Pin to 25 Pin adapter cables are not wired as shown above and will not
work with the Micro488/EX. Order IOtech PN CA-23.
2.9 General Operation
Refer to the following sections for specific operational modes. This sub-section
gives a general test of functionality. After setting the power on defaults and
reassembling the Micro488/EX, plug the power supply connector into the rear jack on
the interface.
CAUTION
Never install the power supply into the interface
while it is connected to AC line power. Failure to
observe this caution may result in damage to the
Micro488/EX.
WARNING
The power supply provided with the interface is
intended for INDOOR USE ONLY. Failure to
observe this warning could result in equipment
failure, personal injury or death.