Standoffs
When terminating UTP wires for telephone applications in a telecommunications room, you
will often see telephone wires run from a multi-pair cable to the 66-punch-down block. To be
neat, the individual conductors are run around the outside of the board that the punch-down
blocks are mounted
D-Rings
For LAN installations that use racks to hold patch panels, you need some method of keeping
the cables together and organized as they come out of the cable trays and enter the telecommunications
room to be terminated. On many racks, special metal rings called D-rings (named
after their shape) are used to keep the individual cables in bundles and keep them close to the
rackIn addition to managing cable for a cabling rack, D-rings are also used on punch-down
boards on the wall to manage cables, much in the same way standoffs are. D-rings are put in
place to support the individual cables, and the cables are run to the individual punch-down
blocks on the wall.
Saturday, October 23, 2010
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