Network Design Considerations
2-8
TIWAY 1 TI505 NIM User Manual
2.3.2
Local Line Cable
The TIWAY I local line network cable consists of a main cable or spine with droplines or
taps for each Secondary. Interrelated network variables having direct influence on net-
work performance are:
Maximum trunk cable length
Cable type
Tap length
Tap spacing
Number of secondaries
Maximum baud rates
Siemens recommends Belden
9860 twisted pair cabling, or its equivalent, for use as the
Local Line network spine. Belden 9271, or its equivalent, should be used for the dropline.
Brands other than those listed here will be specified by Siemens on request.
CAUTION
All local and national electrical codes and fire codes should be observed
when installing wiring.
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