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CAT5 25-Pair Telco Cable, Custom Lengths  

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


LIFETIME DoubleDiamond™ Warranty (Standard)

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!

  • 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.

  • 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 1-800-316-7107.

    Double Diamond Warranty
    LIFETIME DoubleDiamond™ Warranty (Standard)

    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 warranty that protects your Black Box® brand products* from accidental damage, including drops, water, and power surges.

    The CAT5 25-Pair Telco Cable, Custom Lengths comes with a standard Lifetime warranty already included.

    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.

    * Warranty subject to certain exclusions and limitations
    ** Certain products may not be eligible.

    What’s more, we also have a 45-day 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.

    Product SKU Price Quantity
    CAT5 25-Pair Telco Cable, 25-ft. (7.6-m) ELN27T-0025-MF $197.95
    CAT5 25-Pair Telco Cable, 25-ft. (7.6-m) ELN27T-0025-MM $155.50
    CAT5 25-Pair Telco Cable, 50-ft. (15.2-m) ELN27T-0050-MM $265.60
    CAT5 25-Pair Telco Cable, 100-ft. (30.4-m) ELN27T-0100-MF $232.25
    CAT5 25-Pair Telco Cable, 100-ft. (30.4-m) ELN27T-0100-MM $409.00
    CAT5 25-Pair Telco Cable, Custom Lengths ELN27T-M $38.80
    CAT5 25-Pair Telco Cable, PVC, Straight-Wired, AVAYA Style, Male 50-Pin Telco to Open End (Blunt Cut), 50-ft. (15.2-m) ELN28T-0050-M $159.55
    CAT5 25-Pair Telco Cable, PVC, Straight-Wired, AVAYA Style, Male 50-Pin Telco to Female 50-Pin Telco, 50-ft. (15.2-m) ELN28T-0050-MF $298.95
    CAT5 25-Pair Telco Cable, PVC, Straight-Wired, AVAYA Style, Male 50-Pin Telco to Male 50-Pin Telco, 100-ft. (30.4-m) ELN28T-0100-MM $232.25
    You can find this product in the following subcategory(s)

    Kit Pricing

    Starting At: $78.83

    On Back Order

    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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