DIW25 BELDEN

Document overview

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Technical content

Page 1

PDF page 1 diagram

Product: DIW25

Category 3 Backbone Cable, 25 Pair, U/UTP, CMR

Product Description

Category 3 Premise Backbone Cable (16MHz), DIW 25 Pair, 24 AWG Solid Bare Copper Conductors, U/UTP, Riser-CMR, PVC jacket

Technical Specifications

Product Overview

Suitable Applications:

Premise Backbone Cable, Ethernet 10BASE-T, Analog Phone, FAX

Construction Details

Conductor

Size Stranding Material Number of Pairs
24 AWG Solid BC - Bare Copper 25

Insulation

Material Color Code
PVC - Polyvinyl Chloride Western Electric

Outer Jacket

Material Nom. Diameter Ripcord
PVC - Polyvinyl Chloride 0.380 in (9.65 mm) Yes

Electrical Characteristics

Electricals

Max. Conductor DCR Max. Capacitance Unbalance
93.8 Ohm/km (28.6 Ohm/1000ft) 330 pF/100m

Delay

Frequency Max. Delay Max. Delay Skew Nom. Velocity of Prop.
16 MHz 543 ns/100m 45 ns/100m 68%

High Frequency

Frequency [MHz] Max. Insertion Loss (Attenuation) Min. NEXT [dB] Min. PSNEXT [dB] Min. ACR [dB] Min. PSACR [dB] Min. RL (Return Loss) [dB] Max./Min. Fitted Impedance [Ohm]
0.772 2.2 dB/100m 47.0 43.0 50.1 46.1
1 2.6 dB/100m 45.0 41.0 47.8 43.8 12.0 100 ± 15
4 5.6 dB/100m 36.0 32.0 36.0 32.0 12.0 100 ± 15
8 8.5 dB/100m 31.0 28.0 28.3 24.3 12.0 100 ± 15
10 9.7 dB/100m 30.0 26.0 26.2 22.3 12.0 100 ± 15
16 13.1 dB/100m 27.0 23.0 20.1 16.1 10.0 100 ± 15

Voltage

UL Voltage Rating

300 V (CMR)

Mechanical Characteristics

Page 2

Temperature

UL Temperature Operating Installation Storage
60°C -30°C To +60°C -30°C To +60°C -30°C To +60°C

Bend Radius

Stationary Min. Installation Min.
4.0 in (100 mm) 7.75 in (197 mm)
Max. Pull Tension: 150 lbs (68 kg)
Bulk Cable Weight: 100 lbs/1000ft

Standards and Compliance

Environmental Suitability:

Riser, Indoor

Flammability / Reaction to Fire: UL 1666 Riser, FT4, FT4, IEC 60332-1-2

CPR Compliance:

CPR Euroclass: Eca; CPR UKCA Class: Eca

NEC / UL Compliance:

CMR

CEC / C(UL) Compliance:

CMR

ICEA Compliance:

S-90-661

NEMA Compliance:

NEMA WC-63.1

Data Category:

Category 3

TIA/EIA Compliance:

ANSI/TIA-568.2-D Category 3

European Directive

EU CE Mark, EU Directive 2015/863/EU (RoHS 2 amendment), REACH, EU Directive 2011/65/EU (RoHS 2), EU Directive 2012/19/EU (WEEE), REACH: 2020-01-16

Compliance:

UK Regulation Compliance:

UKCA Mark

APAC Compliance:

China RoHS II (GB/T 26572-2011)

Plenum Number:

DPLN25

Product Notes

Electrical values are expected performance based on cable testing and representative performance within a typical Belden system. Print Includes Descending Footage/Meter

Notes:

Markings.

History

Update and Revision:

Revision Number: 0.423 Revision Date: 11-09-2022

Part Numbers

Variants

Item # Color Putup Type Length UPC
DIW25 732CUT Olive Cut to Length 612825060611
DIW25 732CUT Olive Cut to Length 1 ft 612825060611
DIW25 732500 Olive Reel 500 ft 612825060628
DIW25 732500 Olive Reel 500 ft 612825060628
DIW25 7321000 Olive Reel 1,000 ft 612825060635
DIW25 7321000 Olive Reel 1,000 ft 612825060635
DIW25 732500B Olive Reel 1,500 ft 612825285533
DIW25 7325000 Olive Reel 5,000 ft 612825060642
DIW25 7325000 Olive Reel 5,000 ft 612825060642

© 2022 Belden, Inc All Rights Reserved. Although Belden makes every reasonable effort to ensure their accuracy at the time of this publication, information and specifications described here in are subject to error or omission and to change without notice, and the listing of such information and specifications does not ensure product availability. Belden provides the information and specifications herein on an "ASIS" basis, with no representations or warranties, whether express, statutory or implied. In no event will Belden be liable for any damages (including consequential, indirect, incidental, special, punitive, or exemplary damages) whatsoever, even if Belden has been advised of the possibility of such damages, whether in an action under contract,

negligence or any other theory, arising out of or in connection with the use, or inability to use, the information or specifications described herein. All sales of Belden products are subject to Belden's standard terms and conditions of sale. Belden believes this product to be in compliance with all applicable environmental programs as listed in the data sheet. The information provided is correct to the best of Belden's knowledge, information and belief at the date of its publication. This information is designed only as a general guide for the safe handling, storage, and any other operation of the product itself or the one that it becomes a part of. The Product

Disclosure is not to be considered a warranty or quality specification. Regulatory information is for guidance purposes only. Product users are responsible for determining the applicability of legislation and regulations based on their individual usage of the product.