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A punch down tool, punchdown tool, IDC tool, or a Krone tool (named after the Krone LSA-PLUS connector), is a small hand tool used by telecommunication and network technicians. It is used for inserting wire into insulation-displacement connectors on punch down blocks, patch panels, keystone modules, and surface mount boxes (also known as ...
A punch-down block (also punchdown block, punch block, punchblock, quick-connect block and other variations) is a type of electrical connection often used in telephony. It is named because the solid copper wires are "punched down" into short open-ended slots which are a type of insulation-displacement connector .
The wire hook which comes with many punch down tools can also be used to remove wire pieces. A new wire inserted over an existing insulation remnant may be unreliable, as the 110 IDC was designed to hold only a single wire per contact. For testing it is more difficult to reliably connect to a working circuit on a 110 block than on older style ...
Punch-down blocks are intended to connect individual conductors punched down into each position in the block with a special punch-down tool. Punch-down terminations are also generally seen in telephone and network connectors, in patch panels and distribution frames , and in telephone equipment such as PBXs .
A split-50 M-type 66 block with bridging clips attached. A 66 block is a type of punch-down block used to connect sets of wires in a telephone system. They have been manufactured in four common configurations, A, B, E and M. [a] A and B styles have the clip rows on 0.25" centers while E and M have the clip rows on 0.20" centers.
Krone can be easily distinguished from 110 by its contact slots being arranged at a 45-degree angle to the wire. Krone contacts can be used with stranded conductors, unlike 66- and 110-style IDC punch blocks. The contacts use silver to inhibit corrosion and require a Krone-specific punch down tool for wire insertion. Krone blocks are also ...
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BIX connectors are rectangular punch-down blocks used to terminate up to 25 pairs. The connectors have a slip-in fitting which automatically strips the wire as it is punched down, eliminating the need for pre-stripping. BIX connectors also have a pair-splitter to facilitate fast arranging of wires on the punch-down block.
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