AC7A/B User’s Guide
19
This section applies only to the 25-pin [DB25] RS-232 connection on the AC7A/B adapter card.
Figure 3-5: 25-Pin to 25-Pin, 3-Wire RS-232 Cable (made by user)
Figure 3-6: 9-Pin to 25-Pin, 3-Wire RS-232 Cable (made by user)
Note:
Some serial cables that look like standard straight through cables are actually null modem cables.
The wiring diagram for a NULL modem cable is shown below:
Figure 3-7: 25-Pin to 25-Pin Null Modem Cable Diagram
INSTALLATION (cont.)
