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特种电话线 - 无图版

potianbo55 --- 2010-06-30 22:19:23

1

ALP Air Core, Figure-8 Self-Supporting

RUS/RDUP Spec PE-38

For aerial installation using standard methods and hardware.

RUS/RDUP Designation: CAK

Electrical Characteristics: See Table A on page 21 in this section.

Conductors Solid, annealed bare copper in 19, 22, 24 and 26 AWG

Insulation Solid, color-coded polyolefin

Twisted Pairs Individual insulated conductors are twisted into pairs with varying lay lengths

Core Assembly

Cables of 25 pairs or less are assembled into a cylindrical core. Cables larger than 25

pairs are assembled into units, which are then used to assemble the core. Units are

individually identifiable by color coded unit binders.

Core Wrap Non-hygroscopic, dielectric tape

Support Member

A 1/4", 7-strand Extra High Strength (EHS) galvanized steel messenger serves as the

support member and is an integral part of the sheath. The messenger is flooded to

inhibit corrosion.

Shielding Corrugated, copolymer coated, .008" aluminum tape applied longitudinally with an overlap

Outer Jacket Black, linear low-density PE designed to withstand exposure to direct sunlight, atmospheric

temperature changes and stresses expected in standard installations

Footage Marking Printed sequentially every 2' along the outer jacket

 这是什么电话线啊

potianbo55 --- 2010-06-30 22:23:40

2

知道的+++++QQ895964195
j012805 --- 2010-07-01 07:52:36

3

什么的?什么啊?
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