Adata SP300 Specifications download pdf (Page 17)

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2-5. Installing the Optional Interface Board

When using the optional 20 mA current loop interface or the RS-422A interface,

the optional interface board must be mounted to the printer’s main logic board.

The following is the method of mounting the interface board to the printer’s main

logic board.

1 Remove the 6 screws on the bottom cover of the printer, then remove the

bottom cover.

2 Connect the optional interface board connector to connector CN9 on the

printer’s main logic board.

3 At the same time, insert the plastic board support of the main logic board into

the hole on the interface board.

4 Switch SW5 and SW6 on the main logic board from A-C to B-C.

5 Mount the bottom cover to the printer and fasten the 6 screws to fix it in place

on the printer.

Fig. 2-6 Installing the optional interface board

Fig. 2-7 Switch SW5 and SW6

Bottom cover

Screw

Optional interface board

Main logic board

SW5

SW6

Board support

CN9

A C B

SW5

SW6

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Adata SP300 Specifications Page 17