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A-6
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)
SIGNAL
TXD
CTS
DSR
DCD
RXD
RTS
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)
SIGNAL
TXD
CTS
DSR
DCD
RXD
RTS
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
PIN#
DIRECTION
→
3
←
8
←
6
←
1
←
2
→
7
←→
5
PIN#
DIRECTION
→
2
←
5
←
6
←
8
←
3
→
4
←→
7
AM-6000 Computer Owner's Manual, Rev. 00
Computer End Male
DB-9 Connector
PIN#
SIGNAL
2
RTX
5
RTS
3
TXD
4
CTS
7
GND
Computer End Male
DB-9 Connector
PIN#
SIGNAL
2
RTX
5
RTS
3
TXD
4
CTS
7
GND
Appendix A
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