User`s guide

Chapter 1
17
HP
C
-1000
User’s Manua
l
WARNING
Be sure not to block any air vents on the computer. Blocked air vents can cause thermal problems.
External Connectors
Table 2 USB (USB2.0 Port 0, 1 Type A Connector)
Pin Signal Name Pin Signal Name
1 +5V 5 +5V
2 USB1- 6 USB0-
3 USB1+ 7 USB0+
4 GND 8 GND
Table 3 LAN (10/100/1000 Ethernet RJ-45 Connector)
Pin Signal Pin Signal
1 Tx+ 5 NC
2 Tx- 6 Rx-
3 Rx+ 7 NC
4 NC 8 NC
Table 4 Digital I/Os (DB9 Female Connector)
Pin Signal Pin Signal
1 Digital Output 0 6 Digital Input 2
2 Digital Input 0 7 Digital Output 3
3 Digital Output 1 8 Digital Input 3
4 Digital Input 1 9 +5V
5 Digital Output 2 Screw GND
Table 5 COM1 (RS-232/422/485 DB-9 Connector)
Pin RS232 RS422
RS485
Half Duplex
1 DCD, Data carrier detect TX- DATA-
2 RXD, Receive data RX+ N/A
3 TXD, Transmit data TX+ DATA+
4 DTR, Data terminal ready RX- N/A
5 GND, ground GND GND
6 DSR, Data set ready N/A N/A
7 RTS, Request to send N/A N/A
8 CTS, Clear to send N/A N/A
9
RI, Ring indicator (+5V / +12V )
Note
Selected by BIOS Setting
N/A N/A
*COM1 Function Type RS232/422/485 can be selected from BIOS setting.