AXIOMTEK eBOX627-312-FL, User Manual

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eBOX627-312-FL U
ser’s Manual
Jumper Setting & Connector
26
3.3.1 COM Serial Port Connector (CN22, CN18, CN4 and CN3 )
The system has four serial ports. COM1 and COM2 are RS-232/422/485 ports; COM3 and
COM4 are RS-232 ports. Please refer to Chapter 4 for the detail of BIOS setting.
COM1 and COM2 (CN22 and CN18):
Pin RS-232 RS-422 RS-485
1 DCD, Data Carrier Detect
TX- Data-
2 RXD, Receive Data
TX+ Data+
3 TXD, Transmit Data
RX+ No use
4 DTR, Data Terminal Ready
RX- No use
5 GND, Ground
No use No use
6 DSR, Data Set Ready
No use No use
7 RTS, Request To Send
No use No use
8 CTS, Clear To Send
No use No use
9 RI, Ring Indicator
No use No use
COM3 and COM4 (CN4 and CN3):
COM2 Signal
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)
3.3.2 USB 2.0 Port (CN7)
The CN7 is a Universal Serial Bus (compliant with USB 2.0 (480Mbps)) connector on the rear
I/O. It is commonly used for installing USB peripherals such as keyboard, mouse, scanner, etc.
CN7
Pin Signal Pin Signal
1 USB VCC (+5V_SBY ) 5 USB VCC (+5V_SBY )
2 USB #2_D- 6 USB #3_D-
3 USB #3_D+ 7 USB #3_D+
4 GND 8 GND
1 2 3 4
5 6 7 8