Black Box IC477A-M-R2, IC477A-F-R2, IC476A-F-R2, IC476A-M-R2, IC478A-F-R2 manual DB25, S allation

DB25 CHAPTER 4: I s allation

ightenyouport-pairthehavepropelyoftwotheirescaptiveRScorretly,-232connectorconfgureddevicesimply.AfterscrewsplugthethedoingConverter. s, memberrtanddirectlyconnectedtoinsertintothetheand

4Oncetwistd. Connection to the RS-232 Inte face

Converter supports multipoint

NOTE

If you must

se a cable to c

ect the Converter to the RS-232 device,

m

daisychain

gem

ke sure it

a

rai

ht- hr ugh cable of he shortest possible length.

We

commend no

re than 6 ft. (1.8

).

ter/slaveuponthebelowarratopology,numbshowsernthowyouof.Maximumdrps,maytoapplicationswireconnectdatahdistanceerate,twoseveralusing-wirgauge,pairbtween(4Convertersdaisychaintopology-wire)theetccablesunits.togetherwill.

4.3ThevaryUsingTheWiringillustrationbasedfor M lti

int Appl cat ons

proprlyfordaisychaintopology.Not

atthegroundconnectionisnot

needed.

XMT A

XMT B

RCV A

RCV B

RCV A

RCV B

RCV B

RCV A

RCV B

RCV A

MASTER

SLAVE 1

SLAVE 2

SLAVE 3

SLAVE N

XMT A

XMT B

XMT A

XMT B

XMT B

XMT A

XMT B

XMT A

RCV B

RCV A

NOTE

Connections are to screw terminals directly on the Converter.

19