A butt set (also called a lineman’s handset), shown in Figure 22.5 below, is a tool used to tap into the middle of a connection during a troubleshooting process. It is used mainly for voice signal troubleshooting, which can happen at multiple points in the infrastructure:
- Wiring closed
A butt set can plug into different connection types because it has a lot of available connectors, such as RJ11, RJ45, or alligator clips. Alligator clips are very useful in situations in which you want to connect to a simple . . .
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