2 connectors and headers 2-2-1 connectors – Jetway Computer NC9T User Manual

Page 21

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Pin 1-2 Closed: Case open display function enabled. Use needs to enter BIOS and
enable ‘Case Open Detect’ function. In this case if you case is removed, next time
when you restart your computer a message will be displayed onscreen to inform you
of this.

2-2 Connectors and Headers
2-2-1 Connectors

(1) Rear IO Connectors

(2) COM1 (9-pin block):
COM1 port can function as RS232/422/485 port. In normal settings this port function
as RS232 port.
User need to go to BIOS to select COM1 function mode at first, before using
specialized cable to connect different pins of this port.

For RS422 Mode

RS422 TX(B)

RS422 TX(A)

RS422 RX(A)

RS422 RX(B)

For RS485 Mode

RS485 D-(B)

RS485 D+(A)

DC 12V

Power-in

Connector

VGA Port

Parallel Port

HDMI Port Serial Port 1

RJ-11 Port

USB 2.0 Ports

RJ-45 LAN Ports

Line-Out

MIC-In

PS/2 KB & MS

Combo Port