Keyboard Connector; Serial Port Connectors; Vmebus Connectors; Table A-3. Keyboard Pin-Out - RadiSys EPC - 6A Hardware Reference Manual

EPC-6A Hardware Reference

Keyboard Connector

The standard PS2 keyboard connector, available in the front panel, is a 6-pin mini-DIN
connector defined as follows:

Serial port connectors

The next table defines the DB-9 COM1serial port connector.
1
5
A second serial port, addressable at PC serial port COM2, COM2 exists in the form of a
10-pin header on the printed-circuit board near the bottom of the front panel. Pin 2 is the
pin closest to the front panel and the bottom. The header is defined as:
1
5

VMEbus Connectors

EPC-6A has a standard VMEbus P1 connector. It does not access the P1 pins +5VSTDBY,
SERCLK, and SERDAT.
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Pin Signal
1 Data
2 Not used
3 Ground
Pin Signal
6
1 Carrier detect
2 Receive data
3 Transmit data
9
4 Data terminal ready
5 Signal ground
6
Pin Signal
1 Carrier detect
2 Data set ready
3 Receive data
4 Request to send
10
5 Transmit data

Table A-3. Keyboard Pin-out

Pin Signal
4 +5V
5 Clock
6 Not used

Table A-4. COM1 Connector

Pin Signal
6 Data set ready
7 Request to send
8 Clear to send
9 Ring indicator

Table A-5. COM2 Connector

Pin Signal
6 Clear to send
7 Data terminal ready
8 Ring indicator
9 Signal ground
unconnected