IBM 21Y Security Camera User Manual


 
Installing options 65
Keyboard port
There is one keyboard port on the rear of the server.
Note: If you attach a standard (non-USB) keyboard to the
keyboard connector, the USB ports and devices will
be disabled during the power-on self-test (POST).
The following table shows the pin-number assignments for
the keyboard connector on the rear of the server.
Auxiliary-device (pointing device) port
The system board has one auxiliary-device port that sup-
ports a mouse or other pointing device.
The following table shows the pin-number assignments for
the auxiliary-device connector on the rear of the server.
13 Horizontal synchronization (Hsynch)
14 Vertical synchronization (Vsynch)
15 DDC SCL
Table 9. Keyboard connector pin-number assignments
Pin I/O Signal
1 I/O Data
2N/AReserved
3 N/A Ground
4N/A+5 V dc
5 I/O Keyboard clock
6N/AReserved
Table 10. Auxiliary-device connector pin-number
assignments
Pin Signal
1Data
2 Not connected
Table 8. Video-port connector pin-number assignments
Pin Signal
6
4
2
1
3
5
6
4
2
1
3
5