Section 2 Transmission Media and Components Thick Cable
9ARD000015-600 25
Table 9. General Specification for Physical Characteristics of Thick Cables
Physical Characteristics Specification
Geometry Two shielded pairs, Common axis with
drain wire in center.
Overall braid shield 65% coverage. 0.12 mm (36 AWG)
tinned Cu braid minimum
(individually tinned)
Drain wire #18 Copper minimum; 19 Strands
minimum (individually tinned)
Outside diameter 0.410 inches (minimum) to 0.490
inches (maximum)
Roundness Radius delta to be within 15% of 0.5
O.D.
Jacket marking Vendor Name & Part #, and additional
markings
Table 10. General Specification for Electrical Characteristic of Thick Cables
Electrical Characteristic Specification
DCR (braid+tape+drain) 1.75 Ohms/1000 ft
(nominal @ 20° C (68° F))
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