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SERVSELECT IP VM INSTALLER/USER GUIDE
50
Maintain the twists of the pairs all the way to the point of termination, or no more that
one-half inch untwisted. Do not skin off more than one inch of jacket while
terminating.
If bending the cable is necessary, make it gradual with no bend sharper than a one
inch radius. Sharply bending or kinking the cable can permanently damage the
interior of the cable.
Arrange the cables neatly with cable ties, using low to moderate pressure. Do not
over
tighten ties.
Cross-connect cables where necessary, using rated punch blocks, patch panels, and
components. Do not splice or bridge cables at any point.
Keep the Cat5 cable as far away as possible from potential sources of EMI, such as
electrical cables, transformers, and light fixtures. Do not tie cables to electrical
conduits or lay cables on electrical fixtures.
Always test every installed segment with a cable tester. Toning alone is not an
acceptable test.
Always install jacks to prevent dust and other contaminants from settling on the
contacts. The contacts of the jack should face up on the flush mounted plates, or left,
right, or down on surface mount boxes.
Always leave extra slack in the cables, neatly coiled in the ceiling or nearest
concealed location. Leave at least five feet at the work outlet side and 10 feet at the
patch panel side.
Choose either 568A or 568B wiring standard before beginning. Wire all jacks and
patch panels for the same wiring scheme. Don’t mix 568A and 568B wiring in the
same installation.
Always follow all local and national fire and building codes. Be sure to firestop all
cables that penetrate a firewall. Use plenum rated cable where it is required.