AURO PVI-3.0-TL-OUTD Manual De Instalación Y Configuración página 31

appendiX
appendiX B – Rs485 caBle specification
Type of Cable
Cable Structure
AWG
Charateristic Impedance
Working Frequency
douBle tWisted paiR Rs485 caBle specification
Type of Cable
Cable Structure
AWG
Charateristic Impedance
Working Frequency
single tWisted paiR Rs485 caBle specification
RS485 EIA Application
1 twisted pair + 1 single conductor, shielded
22 - 24
120 Ω
1 kHz / 1 MHz
RS485 EIA Application
2 twisted pair, shielded
22 - 24
120 Ω
1 kHz / 1 MHz