Worth Data 520-RF Operations Instructions download pdf (Page 42)

Appendix B

Jumper Settings

Your RF Base is shipped with P2 set as either keyboard or serial, depending

on what you ordered.

Why might you need/want to check or change jumper settings?

• If you change from serial to keyboard wedge interface, you will need to

change the P2 block from Serial to Keyboard (Kybd). You will need a

serial cable too; the keyboard Y cable won't work with serial.

• Serial Users, if you are going to use the Serial Y Cable (F45-1), you

will need to change the JP2 (Jumper 2) from S to Y. This permits Half

Duplex transmissions and interface between a host and terminal.

• If you need RTS/CTS hardware handshaking, call us for more

information.

The below diagram shows the jumper positions and alternative settings for the

options discussed above.

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Worth Data 520-RF Operations Instructions Page 42