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Jetway Computer NU93 User Manual

Page 16

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11

DC-in Power Connector

For user to connect compatible power adapter to

provide power supply for the system.

COM1 (9-pin Block): RS232/422/485 Port

COM1 port can function as RS232/422/485 port. In normal settings COM1 functions as RS232 port.

With compatible COM cable COM1 can function as RS422 or RS 485 port.

User also needs to go to BIOS to set ‘Transmission Mode Select’ for COM1 (refer to Page 21) 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)

ATX2P (2-pin Block): DC 9V~24V Power-in Connector

Pin1

Pin. Definition

1

GND

2

+9V~+24V DC_IN