Owner`s manual
Page
A-6
Appendix A
AM-6000 Computer Owner's Manual, Rev. 00
Workstation Connection Cables
For RJ-45 connectors, use the standard AM-359-50 cable set or straight RJ-45 patch cords. The
RJ-45 connectors use the same pin-outs as DB-9 connectors.
RS-232 pin assignments for connecting an IBM PC-compatible workstation to the Alpha Micro
computer are listed in the tables below.
Workstation Serial I/O
Port (Female DB-9)
Computer End Male
DB-9 Connector
SIGNAL PIN# DIRECTION PIN# SIGNAL
TXD 3
→
2 RTX
CTS 8
←
5 RTS
DSR 6
←
DCD 1
←
RXD 2
←
3 TXD
RTS 7
→
4 CTS
GND 5
←→
7 GND
Note: Pins 1, 6 and 8 on the workstation connector are jumpered together.
Table A-3: Pinouts for Workstation to Computer Cable - IBM PC/AT and Compatibles
Workstation Serial I/O
Port (Male DB-25)
Computer End Male
DB-9 Connector
SIGNAL PIN# DIRECTION PIN# SIGNAL
TXD 2
→
2 RTX
CTS 5
←
5 RTS
DSR 6
←
DCD 8
←
RXD 3
←
3 TXD
RTS 4
→
4 CTS
GND 7
←→
7 GND
Note: Pins 5, 6 and 8 on the workstation connector are jumpered together.
Table A-4: Pinouts for Workstation to Computer Cable - IBM PC/XT and Compatibles