CompTIA A+ Core 1 (220-1201)NetworkingHard
A technician is installing a new patch panel in a wiring closet and must terminate the individual copper conductors into the IDC (insulation displacement connector) slots according to the correct wiring standard. Which of the following tools should the technician use to seat and trim the wires in a single action?
- APunch-down tool
- BCrimper
- CToner probe
- DCable stripper
Show answer & explanationAnswer & explanation
Correct answer: A. Punch-down tool
A punch-down tool is specifically designed to press individual wires into the insulation displacement connector (IDC) slots of a patch panel or keystone jack while simultaneously cutting off the excess wire. A crimper is used for terminating RJ45 connectors on cable ends, a cable stripper removes outer cable jacketing, and a toner probe is used to trace cable paths.
Why the other options are wrong
- B. A crimper attaches RJ45 connectors to cable ends, not IDC slots.
- C. A toner probe is used to trace and identify cables, not terminate them.
- D. A cable stripper only removes the outer jacket, not individual wires.
Punch-Down Tool
A punch-down tool is used to terminate individual wires into insulation displacement connector (IDC) slots on patch panels and keystone jacks, trimming excess wire automatically.
- Used with 110 or Krone blocks and keystone jacks
- Cuts excess wire during termination
- Different from crimpers, which terminate RJ45 plugs
Memory trick: Punch it down into the panel, crimp it onto the plug.