1538A

RISC 6000, #28-3pr, BC, PO, O/A Foil+Braid, PVC Jkt, CL2, 120Ω

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RISC 6000 IBM N Cable, 28 AWG stranded (7x36) bare copper conductors, patented step polyolefin insulation, twisted pairs, overall Beldfoil® shielded + tinned copper braid shield (65% coverage), tinned copper drain wire, PVC jacket (see RISC color code chart below).
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Product Overview

Suitable Applications

For RISC Systems where energy efficiency is Key

Construction Details
Conductor
Element No. of Elements Size Stranding Material
Pair(s) 3 28 AWG 7x36 BC - Bare Copper
Insulation
Element Material Nom. Thickness Nom. Insulation Diameter Color Code
Pair(s) PP - Polypropylene 0.01 in (0.25 mm) 0.035 in (0.89 mm) White & Blue, White & Orange, White & Green
Outer Shield
Shield Type Material Coverage Drainwire Type
Tape Bi-Laminate (Alum+Poly) 100% 28 AWG (7x36) TC
Braid Tinned Copper (TC) 65%
Outer Jacket
Material Nom. Thickness Nom. Diameter
PVC - Polyvinyl Chloride 0.02 in (0.51 mm) 0.230 in

Overall Cable Diameter (Nominal)

0.230 in

Electrical Characteristics
Electricals
Nom. Conductor DCR Nom. Capacitance Cond-to-Cond Nom. Capacitance Cond-to-Other (Conds + Shield) Nom. Characteristic Impedence Max. Current
70.6 Ohm/1000ft 12 pF/ft (39 pF/m) 21.5 pF/ft (70.5 pF/m) 120 Ohm 0.7 Amps per Conductor at 30ºC
Voltage
UL Voltage Rating
300 V
Mechanical Characteristics
Temperature
UL Temperature Operating
60°C -20°C to +60°C
Bend Radius
Stationary Min. Installation Min.
2.30 in (58.4 mm) 2.30 in

Max. Pull Tension

33.9 lbs (15.4 kg)

Bulk Cable Weight

22 lbs/1000ft

Standards and Compliance

Environmental Suitability

Indoor, Indoor

Flammability / Reaction to Fire

UL1685 UL Loading

CPR Compliance

CPR Euroclass: Eca

NEC / UL Compliance

Article 725, CL2

European Directive Compliance

EU Directive 2011/65/EU (RoHS 2), EU Directive 2012/19/EU (WEEE)

UK Regulation Compliance

UKCA Mark

APAC Compliance

China RoHS II (GB/T 26572-2011)

Other Standard Compliance(s)

IBM Part No. N Cable, RJ-45 compatible

Product Notes

Notes

US Patent # 5,220,130. Single conductors are dually insulated. The outer layer of insulation must be stripped off before attaching modular connectors.

History

Update and Revision

Revision Number: 0.425 Revision Date: 01-10-2024

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Part Numbers
Item # Color UPC Footnote
1538A 0081000 Gray 612825117612 C
1538A 008U1000 Gray 612825117605