User`s manual

SHB108 LAG1155 Full-Size SBC User’s Manual

Jumpers And Connectors

2.3 Jumper Settings

Proper jumper settings configure the SHB108 to meet your

application purpose. We are herewith listing a summary table of all

jumpers and default settings for onboard devices, respectively.

Jumper

Description

Jumper Setting

JP2

COM1 Mode Selection : RS-232

Short 3-5 , 4-6

JP3

COM1 Mode Selection : RS-232

Short 3-5 , 4-6

JP4

COM1 Mode Selection : RS-232

Short 1-2

JP1

Audio Amplifier Selection : Disable

Short 1-3 , 2-4

JP6

Clear ME : Normal

Short 1-2

JP7

PS/2 Power Selection : 5VSBY

Short 2-3

2.3.1 COM1 Mode Select Jumpers for RS232/422/485

(JP2, JP3, JP4)

These jumpers select the COM1 port’s communication mode to

operate RS-232 or RS-422/485

Function

Jumper Setting

JP2

JP3

JP4

RS-232

(Default)

RS-422

RS-485