The T-ProbeM™ has a 24 inch cable containing a twisted pair of stranded 18-gauge wires. The T-ProbeM™ uses a DS18B20 sensor with a unique 16 digit address number. Pins one (ground) and three (Vdd) of the DS18B20 are connected together internally. The bar code on the unit is printed in reverse to match the Cisco Mediator™ sensor definition...