Samsung SVR-440 manual Description

ExternalControlDeviceTerminal(RS–422/485)

Thisterminalisconnectedtoexternalcontroldevi ces.TheJP2terminationthatsetisturnsonand

offtheterminationresistanceofRS–422/485commun icationdevice.TheJP2terminationisinsideof

theDVR.

`

No.		Description
Classification	RS422		RS485
1	TX+(+TransmitData)		Data+
2	TX(TransmitData)		Data
3	RX+(+ReceiveData)
4	RX(ReceiveData)

WhenusingRS–485,connectTX+toData+andconnect TX–toData–.

25