Aurora PVI-3.0-TL-OUTD Manuel D'installation Et De Configuration page 42

APPENDIX
RS485 CABLE SPECIFICATION
SINGLE TWISTED PAIR 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
APPENDIX B
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
2 - APP