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7
2 External Connectors
Unless otherwise noted, the following features apply to all models. Some features are factory installed; others
are optional.
Mini-DIN (PS/2) for Mouse and Keyboard
Pin Number Signal Description
1 Data signal
2 Not used
3 Ground
4 Power (+5 V dc)
5 Clock signal
6 Not used
Serial Port
5
4
3
2
1
9
8
7
6
Pin Number Signal Description
1 Data carrier detect
2 Receive data
3 Transmit data
4 Data term ready
5 Signal ground
6 Data set ready
7 Request to send
8 Clear to send
9 Ring indicator