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8 pin RJ45 (8P8C) male connector layout
8 pin RJ45 (8P8C) male connector


1 Vcc Type Sense Vcc
2   N/C
3 Type Sense Type Sense Return
4   N/C
5   Shield N/C
6 White Sensor Data A
7 Black Sensor Data B
8   N/C


Sensor Data:

This is analog supply and reading-back pin on the netbotz, so very very simple. For door contact, wire a switch to Sensor Data A and B. For temperature, wire thermistor between A and B.


Type Sense Data:

Type sense line is a resistor between pins 1 and 3 to tell the NetBotz what sensor is connected to the port, pretty simple. Below is a table of resistor value for the type sense line.

There does not seem to be software handling the differences on netbotz 200 between Door Switch and Dry Contact despite them being the same principle.

Type Resistor kΩ (between input 1 and 3) Input(s)
Voltage 6.5 to 7 7
Dry contact 5.5 to 6 6 and 7
Vibration 2.5 to 3
Door switch 2
Temperature & Humidity 1 to 1.5
Smoke 0.5 to 1
Temperature 0 to 0.4
8 pin RJ45 (8P8C) female connector layout
8 pin RJ45 (8P8C) female connector
According to 6 reports in our database (6 positive and 0 negative) the APC Netbotz 200 and 450 Device cables. pinout should be correct.

Is this pinout
APC Netbotz 200 and 450 Device cables. visual pinout:click to enlarge
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