This question was originally posted on DCIM Support by Islam Fouad Elkholy on 2019-12-02
I had a Netbotz 13.56 rack access control in a project and it has 2 A-link port and i have 2 temp/humidity sensors with display can i connect each one on a port or as the manual shows one port should has a terminator while the other can connects to the 2 sensors cascaded ?
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This answer was originally posted on DCIM Support by spezialist on 2019-12-02
Dear Islam Fouad Elkholy,
A-Link ports of NetBotz devices are absolutely equal and identical. Therefore, all three connection methods are correct and can be applied:
The basic rule of the A-Link bus, as for similar serial data buses, is the use of terminators (wave impedance balancers of the communication line) at both ends of the communication line.
This comment was originally posted on DCIM Support by Islam Fouad Elkholy on 2019-12-02
thank you for you assistance
This comment was originally posted on DCIM Support by spezialist on 2019-12-02
Ok, very thanks for the good feedback 😀.
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