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2. 66 block - Wikipedia

   en.wikipedia.org/wiki/66_block

   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. The A blocks ...

3. Punch-down block - Wikipedia

   en.wikipedia.org/wiki/Punch-down_block

   A split-50 M-type 66 block with bridging clips attached A 110 punch-down block. 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 ...

4. 1A2 Key Telephone System - Wikipedia

   en.wikipedia.org/wiki/1A2_Key_Telephone_System

   The Call Director model telephone had over 30 line key positions, and used 100 pairs on four connectors. The keyset cables were typically routed to a wiring closet or wiring panel where the Key Service Unit (KSU) was installed and were terminated on a 66 type punch block, typically a model 66M1-50. Each of these blocks could accept two 25-pair ...

5. BIX (telephony) - Wikipedia

   en.wikipedia.org/wiki/BIX_(telephony)

   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.

6. Lineman's handset - Wikipedia

   en.wikipedia.org/wiki/Lineman's_handset

   A lineman's handset typically connects via a pair of test leads, not the modular connector found on most consumer telephone equipment. The test leads will feature some combination of alligator clips (to connect to bare wires), a piercing spike or "bed-of-nails" (for insulated wires), and something designed to fit a punch block.

7. US official fighting Chinese telecom intrusions urges more ...

   www.aol.com/news/us-official-fighting-chinese...

   By Raphael Satter. WASHINGTON (Reuters) - A senior U.S. official who is among those working to evict alleged Chinese hackers from American telecom companies has a word of advice for his fellow ...

8. Chilling footage captures NYC bystanders fleeing for their ...

   www.aol.com/dramatic-footage-captures-bystanders...

   The surveillance video shows one man running from the scene, moments before two other people are seen fleeing down the block as well. Police said the suspects remain at large while the ...

9. IDC (electrical connector) - Wikipedia

   en.wikipedia.org/wiki/IDC_(electrical_connector)

   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.