# 2. Installation Method

There are four wiring terminals on the two sides of the instrument: power input, ultrasonic probe, temperature sensor/analog output, and RS485 communication. The installation method and specifications for each are described below.

![](https://2386771058-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LvhKtBvsv-DVMTySk5A%2F-LvhS6YryvdOLLGkLVda%2F-LvhSP6M0m0sJsMX0vgQ%2FPin%20Map.jpg?alt=media\&token=7232b8bd-7745-4ada-a64b-e29916615552)