DEC AlphaServer 1000A Owner's Manual page 185

Serial Port Connectors
The serial port connectors consist of two 9-pin D-submini connectors. Table 9-3
lists their pin assignments.
Table 9-3 Serial Port Pinouts
Pin
1
2
3
4
5
6
7
8
9
Keyboard and Mouse Port Connectors
The keyboard and mouse connectors consist of two 6-pin mini-DIN connectors.
Table 9-4 lists their pin assignments.
Table 9-4 Keyboard and Mouse Port Pinouts
Pin
1
2
3
4
5
6
AlphaServer 1000A Owner's Guide
Signal Function
DCD Data carrier detect
RXD Receive data
TXD Transmit data
DTR Data terminal ready
GND Ground
DSR Data set ready
RTS Request to send
CTS Clear to send
RI Ring indicator
Signal
Data
Reserved
Ground
+5 V dc (fused)
Clock
Reserved
Quick Reference 9-9