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How To Install A 66 Block

 

66 Block | 66 Punchdown Block



Installation and Termination:

Securely mount the 89D standoff bracket to a wall or plywood using two screws. Route the cables over the standoff bracket from either the top or bottom, and then out through the sides, depending on which side they will terminate. When using a 25-pair connecting block, all pairs will terminate on the left side.

When using a 50-pair, 25 will terminate on the left, and 25 will terminate on the right side.

[1] Carefully snap the 66 Block into place on the standoff
bracket. Separate the pairs, routing pairs 1-12 through the
upper bracket opening, and pairs 13-25 through the lower
bracket opening.
66 Block Installation Diagram
[2] Strip approximately two inches of sheathing from the cable, leaving the twists in each pair up to the point of termination. The first pair will route through the first slot in the standoff bracket. Split the pair, sliding one wire up and the other wire down to the silver termination slot. Slide the wire in the slot, using a 66 Block punch down tool to seat and trim the wires. Skip a space in the plastic mounting bracket, then route the next pair through the next space, and repeat the termination process. 66 Block Installation Diagram
[3] If you are using a 25-pair block, remember that all four of the silver clips are connected. When a wire is punched down on one of them, the remaining three are live and ready for cross-connecting. 66 Block Installation Diagram
[4] If you are using a 50-pair block, think of each row of four as split right down the middle; two connections on the left and two on the right. You may terminate the cross connect on the far right side. To make a cross connect live, use a bridging clip on the middle two clips. This connects the two sides and gives the cross-connect it’s signal. This type of connection provides convenient quick disconnects for turning off and on signals. 66 Block Installation Diagram