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 AWG Stranding Material Number of Pairs 24 Solid BC - Bare Copper 25 Insulation Material Color Code PVC - Polyvinyl Chloride Western Electric Bonded-Pair: No Outer Jacket Material Material Nom. Diameter Ripcord PVC - Polyvinyl Chloride 0.380 in Yes Electrical Characteristics Electricals Max. Conductor DCR Max. DCR Unbalance Max. Capacitance Unbalance Nom. Mutual Capacitance Nom. Velocity of Prop. 93.8 Ohm/km 5% 330 pF/100m 17 pF/ft 68% Delay Frequency MHz Max. Delay Max. Delay Skew Nom. Velocity of Propagation (VP) % 16 MHz 543 ns/100m 45 ns/100m 68% High Freq 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 0.772 MHz 2.2 dB/100m 47.0 dB 43.0 dB 50.1 dB 46.1 dB 1 MHz 2.6 dB/100m 45.0 dB 41.0 dB 47.8 dB 43.8 dB 12.0 dB 100 15 Ohm 4 MHz 5.6 dB/100m 36.0 dB 32.0 dB 36.0 dB 32.0 dB 12.0 dB 100 15 Ohm 8 MHz 8.5 dB/100m 31.0 dB 28.0 dB 28.3 dB 24.3 dB 12.0 dB 100 15 Ohm 10 MHz 9.7 dB/100m 30.0 dB 26.0 dB 26.2 dB 22.3 dB 12.0 dB 100 15 Ohm 16 MHz 13.1 dB/100m 27.0 dB 23.0 dB 20.1 dB 16.1 dB 10.0 dB 100 15 Ohm Voltage UL Voltage Rating 300 V (CMR)Mechanical Characteristics Temperature UL Rating Operating Installation Storage 60C -30C To +60C -30C To +60C -30C To +60C Bend Radius Stationary Min. Installation Min. 4.0 in 7.75 in Max. Pull Tension: 150 lbs Bulk Cable Weight: 100 lbs/1000ft Standards and Compliance Environmental Suitability: Riser, Indoor Flammability / Fire Resistance: UL 1666 Riser, FT4, FT4, IEC 60332-1-2 NEC / UL Compliance: CMR CEC / C(UL) Compliance: CMR ICEA Compliance: S-90-661-2012 NEMA Compliance: NEMA WC-63.1 Data Category: Category 3 TIA/EIA Compliance: ANSI/TIA-568.2-D Category 3 CPR Euroclass: Eca European Directive EU CE Mark, EU Directive 2015/863/EU, EU Directive 2011/65/EU (ROHS II), EU Directive 2012/19/EU (WEEE), REACH: 2020-01-16 Compliance: APAC Compliance: China RoHS II (GB/T 26572-2011) Part Number Plenum Number: DPLN25 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 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: 0.341 Revision Date: 07-28-2020 2020 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 anASI 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.