8300

Hardware

 

 

For RS-485, set the Hardware Handshaking Switch SW1 to the ‘A’ position. Refer to the following table:

Communica-

Hardware

SW1

SW2 Set-

Notes

tion Physical

Handshak-

Set-

ting

 

Layer

ing

ting

 

 

 

 

 

 

 

RS-232

No

A

UP

Use with a PC. Signals at terminal

 

 

 

(towards

block J5 will be RS-232

 

 

 

the RS-

 

 

 

 

232 side)

 

 

 

 

 

 

RS-232

Yes

B

UP

Use to communicate to systems that

 

 

 

(towards

require Request To Send (RTS) in order

 

 

 

the RS-

to transmit (Modems, Radios, etc.)

 

 

 

232 side)

RTS and CTS signals will be available at

 

 

 

 

terminal block J6

 

 

 

 

 

RS-485

Yes

A

DOWN

Always SW1 set to the A position when

 

 

 

(towards

using RS-485..

 

 

 

the RS-

 

 

 

 

485 side)

 

 

 

 

 

 

13

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Varec 8315 Series manual Communica Hardware, SW2 Set Tion Physical Handshak Ting Layer Ing