XIB-E【PDF 61/64 页】BOARD INTERFACE ETHERNET

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XStream"燨EM燫F燤odule?燩roduct燤anual爒5.x00燵2006.02.24]?/DIV>

Wiring Diagram: RS-422

Figure燘21.牋牋XStream燤odule燗ssembly爄n燼n燫S485?4wire)爀nvironment?/DIV>

onnection Guidelines

-485/422 C

The RS-485/422 protocol provides a solution for wired communications that can tolerate high

oise and push signals over long cable lengths. RS-485/422 signals can communicate as far as

4000 feet (1200 m). RS-232 signals are suitable for cable distances up to 100 feet (30.5 m).

odes can be connected. The RS-422

Suggestions for integrating the XStream Module with the RS-485/422 protocol:

RS-485 offers multi-drop capability in which up to 32 n

protocol is used for point-to-point communications.

1. When using Ethern twisted pair cabling: Select wires so that T+ and T- are connected to

each wire

lect wires so that R+

ected to a

in a twisted pair. Likewise, se

and R- are conn

twisted pair. (For example, tie the green and white/green wires to T+ and T-.)

r straight-through Ether

cross-ov

not

t cable (

er cable) The following wiring pattern

works well: Pin3 to T+, Pi

to R-, Pin6 to T-

n4 to R+, Pin5

te that th

ecting cabl

equires 4 w

e conn

e only r

ires (even though there are 8 wires).

en using phone cabling

n2 in the cable maps to Pin3 on opposite end of cable

(RJ-11) Pi

and Pin1 map

Pin4 res

s to

pectively.

Figur 22牋牋Mal

)燚B9爐o?/DIV>

pters?/DIV>

igure燘23.牋牋Female?green)燚B9爐o燫J45燗dapters?/DIV>

e燘

e?yellow

RJ45燗da

牋牘?006燤axStream,營nc.燙onfidential燼nd燩roprietary?/DIV>

61?/DIV>

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