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CAT5 25-Pair Telco Cable, Custom Lengths  

The quick solution for extending your high-density data or voice circuits.


Extended Double Diamond™ Warranty Available

Product Highlights

  • Eliminates the need to punch down multiple conductors.
  • Use in your wiring closet to extend data and voice circuits from 25-pair patch panels or punchdowns.
  • Guaranteed for life!

  • Description

    CAT5 25-Pair Telco Cables, PVC, Straight-Wired, AMP Style, Male 50-Pin Telco to Open End (Blunt Cut), Custom Lengths

    Quick Facts

  • Eliminates the need to punch down multiple conductors.
  • Use in your wiring closet to extend data and voice circuits from 25-pair patch panels or punchdowns.
  • Guaranteed for life!

  • Further Details

  • Ideal for use in high-speed 100-MHz applications, including TP-PMD, ATM, and ISDN.
  • Meet TIA/EIA 568-B Category 5 specifications.
  • All feature 25 pairs of solid, 24 AWG conductors.
  • Available with AMP and AVAYA style connectors. Click on "Applications Diagrams" on the previous screen.
  • Not recommended for certain telco or LAN applications. For details, contact our FREE Tech Support.

  • Technical Specifications for CAT5 25-Pair Telco Cable, Custom Lengths:

    Attenuation Nominal: 20.2 dB/100 m at 100 MHz;
    Maximum: 22 dB/100 m at 100 MHz
    Cable Type 25-pair UTP
    Conductors 24 AWG, bare copper, 0.020" nominal diameter
    DC Resistance 9.38 ohms/100 m maximum
    Impedance 100 ±15 ohms
    Jacket Gray PVC, with ripcord, 0.5" diameter
    Insulation HDPE
    Mutual Capacitance 5.6 nF/100 m, nominal
    PS-NEXT Worst case: 32 dB at 100 MHz
    Standards TIA/EIA 568-A
    Velocity of Propagation 75% nominal
    NOTE: For CAT3 Telco Cables, see ELN25T, ELN25TP, and EMN50T. For CAT5e Telco Cables, see ELN29T, ELN28110T, and ELN28180T.

    These products work with:
    • CAT5 Telco Patch Panels
    Questions? Contact our FREE Tech Support.

    NOTE: Technical specification weight is the unit weight. It is not the packaged shipping weight. For shipping weight, please contact Black Box customer service at 877-877-2269.

    Resources for CAT5 25-Pair Telco Cable, Custom Lengths:

    Connect your CAT5 25-Pair Telco Cable, Custom Lengths with:

    Double Diamond Warranty

    Standard Manufacturer's Warranty

    A warranty is included.


    Double Diamond™ Warranty (Standard)


    Take the risk out of equipment purchases with the Double Diamond™ Warranty from Black Box Network Services.

    The Double Diamond Warranty is our no-questions-asked warranty that protects your Black Box® brand products* from accidental damage, including drops, water, and power surges.

    Most of our products come with a one- or two-year warranty. Some products—such as copper cables, manual switches, cabinets, and racks—are even guaranteed for life!

    During the warranty period, Black Box Network Services will repair or replace your damaged equipment within one week of receipt at NO CHARGE!

    Plus, get an Extended Double Diamond Warranty.

    You can also extend your warranty or protect a previously purchased Black Box® brand product* for an additional year—for only 10% of the purchase price! Or, extend your coverage for a full three years for only 20% of the purchase price!

    Ordering an extended warranty is easy: When viewing a product in your shopping cart, just select the one or three years of additional coverage in the dropdown menu under “Warranty Options.” For details, contact Customer Service at 724-746-5500.

    * Certain products may not be eligible.

    Warranty Compared

    Black Box® Double Diamond™ Warranty The Competition
    Warranty Length One Year to Lifetime, Depending on the Product. Read the fine print.
    Guaranteed for Life! Black Box® Brand Copper Cables, Manual Switches and More! No.
    Accidental Damage 100% Covered! No.
    Water Damage 100% Covered! No.
    Power Surges 100% Covered! No.
    Warranty Replacements No Questions Asked! ?
    Tech Support Hotline 100% FREE! $$$

    What’s more, we also have a 45-day, no-questions-asked return policy. Simply call Customer Service for a Return Authorization (RA) number, return your product in new condition and in the original package, and receive a full refund.

    You can find this product in the following subcategory(s)

    Kit Pricing

    Starting At: $38.76

    Quantity Available: 0

    To order please call

    Please Note: Once ordered, this product cannot be cancelled or returned for credit.

    Shipping Info

    Weight: NotAvailable
    HxWxD: 0 x 0 x 0 in.

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