ZM111317
ii
5.1
RS485 Bus Main Feature
.................................................................................................................... 15
5.2
RS485 Bus Transmission Distance
................................................................................................... 15
5.3
The Problem in Practical Use
............................................................................................................. 15
5.4
RS485 Bus FAQ
.................................................................................................................................... 16
6
APPENDIX Ⅲ THE AC 24V WIRE GAUGE AND TRANSMISSION DISTANCE
RELATIONSHIP SHEET
........................................................................................... 17
7
APPENDIX Ⅳ DC 12V WIRE GAUGE AND TRANSMISSION DISTANCE
RELATIONSHIP SHEET
........................................................................................... 18
8
APPENDIX V WIRE GAUGE REFERENCE SHEET
......................................... 19
Welcome
Thank you for purchasing our Network speed dome camera!
This user’s manual is designed to be a reference tool for your system.
Please read the following safeguard and warnings carefully before you use this series product!
Please keep this user’s manual for future reference!
Important Safeguards and Warnings
1
.
Electrical safety
All installation and operation here should conform to your local electrical safety codes.
Please check if the power supply is correct before operating the device.
The power shall conform to the requirement in the SELV (Safety Extra Low Voltage) and the
Limited power source is rated 12V DC, DC5V or AC24V in the IEC60950-1. (Power supply
requirement is subject to the device label).
Please prevent the line cord from being damaged, especially the plug, power socket and the
junction from the device.