HELIX CTI-CRYOGENICS On-Board FastRegen Programming And Operation Instructions page 91

On-Board FastRegen Control Module Programming and Operation Instructions
On-Board Module
On-Board Module
NOTE: Connectors should be of a metal case type and cable lengths should not exceed 40 feet.
P/N 8040406
2 R x D <-
3 T x D ->
9
5
9 Pin Male
CAUTION
The RS-232 cable should not
be routed with power cables and
other equipment which may generate
excessive EMI conditions.
On-Board Module to IBM-PCXT
2 R x D <-
3 T x D ->
9
5
9 Pin Male
On-Board Module to IBM-AT
Figure B-1: RS-232 Cable Connections
<- T x D 2
<- R x D 3
Shield
GND 7
-> R x D 2
<- T x D 3
Shield
GND 5
-
C TI CRYOGENICS
HELIX TECHNOLOGY CORPORATION
IBM-PCxT
25 Pin Female
IBM-AT
9 Pin Female
B-5