User`s manual

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INSTALLATIONS

MB980 User’s Manual 11

JP2: COM2 RS232 RI/+5V/+12V Power Setting

JP2

Setting

Function

Pin 1-3

Short/Closed

+12V

Pin 3-4

Short/Closed

RI

Pin 5-3

Short/Closed

+5V

JP4: Flash Descriptor Security Override (Factory use only)

JP4

Flash Descriptor

Security Override

Open

Disabled

(Default)

Close

Enabled

5 1

6 2

2 1