Technical Specifications
AlphaStation 500 Series User Information C-5
Serial Port Connectors
The serial port connectors consist of two 9-pin D-submini connectors. Table C-6 lists their
pin assignments.
The baud rates supported by the system's serial ports are 300, 1200, 2400, 4800, 9600,
19200, and 38400.
Table C-6 9-Pin Port Pinouts
DB9 Pin
Signal
Function
1
DCD
Data carrier detect
2
RXD
Receive data
3
TXD
Transmit data
4
DTR
Data terminal ready
5
GND
Ground
6
DSR
Data set ready
7
RTS
Request to send
8
CTS
Clear to send
9
RI
Ring indicator
Keyboard and Mouse Connectors
The keyboard and mouse connectors consist of two 6-pin mini-DIN connectors. Table C-7
lists their pin assignments.
Table C-7 Keyboard and Mouse Connector Pinouts
Pin
Signal
1
Data
2
Reserved
3
Ground
4
+5V DC (fused)
5
Clock
6
Reserved