Specifications

17 PRINTER SELECT LN# 18 GROUND

19 GROUND 20 GROUND

21 GROUND 22 GROUND

23 IOW# 24 GROUND

25 GROUND

3.4 Serial Ports

The SSC-5x86H offers two high speed NS16C550 compatible UARTs

with Read/Receive 16 byte FIFO serial ports.

• CN12 & CN14 : Serial Port DB-9 Connector( ACE0 & ACE1)

PIN NO. DESCRIPTION

1 DATA CARRIER DETECT (DCD)

2 RECEIVE DATA (RXD)

3 TRANSMIT DATA (TXD)

4 DATA TERMINAL READY (DTR)

5 GROUND (GND)

6 DATA SET READY (DSR)

7 REQUEST TO SEND (RTS)

8 CLEAR TO SEND (CTS)

9 RING INDICATOR (RI)

3.5 Keyboard Connector

The SSC-5x86H provides two keyboard connectors.

• CN10 : 5-pin Header Keyboard Connector

PIN NO. DESCRIPTION

1 KEYBOARD CLOCK

2 KEYBOARD DATA

3 N/C

4 GROUND

5 +5V

• CN15 : 6-pin Mini-DIN Keyboard Connector