Product Number: 1540A

RISC 6000, #28-7c, BC, PO, O/A Foil+Braid, PVC Jkt, CL2

RISC 6000 IBM XX, YY 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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Specifications

Suitable Applications

For RISC Systems where energy efficiency is Key

Conductor

Element No. of Elements Size Stranding Material
Conductor(s) 7 28 AWG 7x36 BC - Bare Copper

Insulation

Element Material Nom. Thickness Nom. Insulation Diameter Color Code
Conductor(s) PP/PE - Polypropylene/Polyethylene 0.01 in (0.25 mm) 0.035 in mm IBM – RISC 6000

Outer Shield

Shield Type Material Coverage Drainwire Type
Tape Bi-Laminate (Alum+Poly) 100% 28 AWG (7x36) TC
Braid Tinned Copper (TC) 67%

Outer Jacket

Material Nom. Thickness Nom. Diameter
PVC - Polyvinyl Chloride 0.019 in (0.48 mm) 0.19 in

Overall Cable Diameter (Nominal)

0.19 in

Electricals

Nom. Conductor DCR Nom. Capacitance Cond-to-Cond Nom. Capacitance Cond-to-Other (Conds + Shield) Max. Current
66.6 Ohm/1000ft 12.5 pF/ft (41.0 pF/m) 23 pF/ft (75 pF/m) 0.9 Amps per Conductor at 25ºC

Voltage

UL Voltage Rating
300 V

Temperature

UL Temperature
60°C

Bend Radius

Stationary Min. Installation Min.
1.9 in (48 mm) 1.9 in

Max. Pull Tension

14.7 lbs (6.67 kg)

Bulk Cable Weight

19 lbs/1000ft

Environmental Suitability

Indoor

Flammability / Reaction to Fire

UL1685 UL Loading

NEC / UL Compliance

Article 725, CL2

European Directive Compliance

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

APAC Compliance

China RoHS II (GB/T 26572-2011)

Other Standard Compliance(s)

IBM Part No. XX, YY Cable, RJ-45 compatible

Notes

Patent # 5,220,130. Single conductors are dual insulated. Outer layer of insulation must be stripped off before attaching modular connectors.

Update and Revision

Revision Number: 0.341 Revision Date: 02-03-2025

Update and Revision

Revision Number: 0.341 Revision Date: 02-03-2025

Part Numbers

Item # Color UPC Footnote
1540A 0081000 Gray 612825117643 C