Domenor K72 - Keyboard Connection; Keyboard Interface Instruction; Rs422 and Rs485; RJ45 Interface

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RJ45

Picture2-1.1

Picture2-1.2

2.1KeyboardInterfaceInstruction

2.KeyboardConnection

Thereisinterfaceonthebackofthekeyboard,

whichequippedwithkindsofcommunicationint-

erfaces:RS422RS485RJ45,whichcancon-

nectandcontrolkindsofperipheralequipment.

、、

Connection

2.1.1RS422andRS485interface

Rs422andRs485interfaceareonthe6bit

ribboncableconnectionofthekeyboard.RS485

(A+B-)canconnectwiththedomewhenthekey-

boardcontrolsthedomedirectly;RS485A+B-

canconnectwithDVRorotherkeyboardswhen

thekeyboardcontrolsthedomebymatrix;Rs422

(T,T)issendingthesignal,RS422(R,R)

isreceivingthesignal,bothofwhichcanconnect

withmatrix,DVRandsoon.

（，）

＋－＋－

Itisthestandardnetworkinterfacewhichcanbe

mainlyusedforconnectingwiththematrixforshort

distance(thedistanceislessthan7.6m).Aboutthe

details,Pleaseseeto2.3matrixconnection.“”

2.1.2Rj45Interface

6BitRibbon

Cable

PowerSupply

Port