DSP-4000 Series
Users Manual
7-4
Coaxial Cable
Coaxial cable consists of a conductor surrounded first by an insulating material,
then by a braided conductive sheath, as shown in Figure 7-3. In LAN applications,
the sheath is electrically grounded and serves as a shield that protects the inner
conductor from electrical noise. The shield also helps eliminate signal loss by
keeping the transmitted signal confined to cable.
Coaxial cable can carry a wider range of frequencies and can be used in greater
lengths than twisted pair cable. However, coaxial cable is more expensive than
twisted pair.
Coaxial Cable
Dielectric
Conductor
Shield
Jacket
oy29f.eps
Figure 7-3. Coaxial Cable Construction
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