Page 197 - Computer_Science_F5

Computer Science No Tool Description
(c)
Patch cords
Patch cords connect field-terminated
horizontal cables to network devices
like switches and hubs, and link
FOR ONLINE READING ONLY
telecommunications outlets to devices
like computers and printers.

Figure 3.48: Patch cord to connect
cables

Cabling pathways (Conduit) Cable installation and termination
Conduit can be metallic or nonmetallic guidelines
pipe, rigid or flexible (as permitted by the The following are some of the guidelines

applicable electrical code), and it runs for installing cables:
from a work area to a telecommunications (a) Allow extra cable: Use more cable
room and a telecommunications room to than you need and leave plenty of
an equipment room. slack.
(b) Test each segment: Test every part
(a) Cable trays of the network as you install it. New
As an alternative to conduit, cable trays cables can still have problems that
can be installed to route your cable. are difficult to isolate later.
Cable trays are typically wire racks (c) Use proper tools: Use the
specially designed to support the weight recommended crimping and cutting

of a cable infrastructure. They provide tools to avoid damaging the cables.
an ideal way to manage a large number (d) Avoid interference: Keep cables at
of horizontal runs. least 3 feet away from fluorescent
light fixtures and other sources of
electrical interference.
(b) Raceways
Raceways are conduits for surface- (e) Secure cables: Ensure all trailing
wires or cables are securely fixed
mounting horizontal cables, pieced to avoid disturbing users.
together modularly with connectors
that maintain the minimum bend (f) Protect floor cables: If cables must
radius. They are mounted on walls run across the floor, cover them with
where internal installation is difficult, cable protectors.
such as brick or concrete walls without (g) Label cables: Label both ends of
telecommunications conduit. each cable for easy identification.

188
for Advanced Secondary Schools

Computer Science Form 5.indd 188 23/07/2024 12:33