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The punch-down blocks on patch-panel and wall port jacks are designed for use with solid core cable.
Similarly, stranded wire can be used on punch-down blocks, even though they were originally designed for solid wire connections.
BIX connectors are rectangular punch-down blocks used to terminate up to 25 pairs.
Oftentimes a separate tool known as a spudger is used to remove small stray pieces of cut off wiring stuck within punch-down blocks.
Punch-down blocks are intended to connect individual wires punched down into each position in the block with a special punch-down tool.
BIX connectors also have a pair-splitter to facilitate fast arranging of wires on the punch-down block.
In addition, punch-down blocks are being used to handle larger numbers of faster data signals, requiring greater care and proper procedures to control impedance and crosstalk.
Punch-down blocks are a very quick and easy way to connect wiring, as there is no stripping of insulation and no screws to loosen and tighten.
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 also possible to punch-down multiple wires on top of each other in a single post of a punch-down block, but this practice is discouraged because of reliability concerns.
Punch-down blocks are often used as patch panels, or as breakout boxes for PBX or other similar key phone systems with a 50-pin RJ-21 (Amphenol) connector.
As a system, it consists of various sizes of punch-down blocks, cable distribution accessories (such as moulded rings and strips), and a punch-down tool to terminate wires at the punch-down block.
Słownik terminów związanych z elektroniką