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INSTALLATION REQUIREMENTS/SPECIFICATIONS
Page 2-3
Delay
The maximum propagation delay of a 10BASE-T link segment must
not exceed 1000 nsec. This 1000 nsec. maximum delay limits the
maximum link segment length to no greater than 200 meters.
Crosstalk
Crosstalk is caused by signal coupling between the different cable
pairs contained within a multi-pair cable bundle. 10BASE-T
transceivers are designed so that the user does not need to be
concerned about cable crosstalk, provided the cable meets all other
requirements.
Noise
Noise can be caused by either crosstalk or externally induced
impulses. Impulse noise may cause data errors if the impulses occur at
very specific times during data transmission. Generally, the user need
not be concerned about noise. If noise-related data errors are
suspected, it may be necessary to either reroute the cable or eliminate
the source of the impulse noise.
Temperature
Multi-pair PVC 24 AWG telephone cables typically have an
attenuation of approximately 8 to 10 dB/100m at 20
°
C (78
°
F). The
attenuation of PVC insulated cable varies significantly with
temperature. At temperatures greater than 40
°
C (104
°
F), we
strongly recommend that you use plenum-rated cables to ensure that
cable attenuation remains within specification.