SySPEED® Premium Cat 5E Backbone
25 Pair Network Ethernet Cable
Unshielded Twisted Pair (UTP) Solid 24 AWG
Riser Rated - CMR, FT4, Sunlight Resistant

1821 – 25 Pair Cat 5E Backbone Riser


IEEE 802.3: 1000 BASE-T (Gigabit Ethernet), 100 BASE-TX, 10 BASE-T, 155 Mp/s, 622 Mp/s ATM, ANSI X3.263: 100 Mb/s, 4/16 Mb/s Token Ring, Broadband and Baseband Analog Video, Premise Backbone Cable

Features & Benefits

  • Cable is flexible and easy to install
  • For applications that require Optimum Cat 5e Performance with flexibility for the future
  • Third-party verified for guaranteed performance and RoHS compliance
  • Free from restricted metals and hazardous compounds. Check our green leaf label for more information
  • Combines indoor/outdoor applications into one product. Complies with the UL 1581 sunlight resistance requirement for outdoor installations.
    • (Do not use as a substitute for Underground Direct Burial Cables)


1821 24 AWG 25 Pair Cat 5E 100 MHz Backbone Cable Riser CMR

Physical Characteristics

  • Conductor: 24 AWG Solid Bare Annealed Copper
  • Insulation: Premium Polyolefin
  • Conductor Color Code:
    Pair 1: White & Blue               Pair 2: White & Orange
    Pair 3: White & Green            Pair 4: White & Brown
    Pair 5: White & Slate              Pair 6: Red & Blue
    Pair 7: Red & Orange              Pair 8: Red & Green
    Pair 9: Red & Brown               Pair 10: Red & Slate
    Pair 11: Black & Blue               Pair 12: Black & Orange
    Pair 13: Black & Green            Pair 14: Black & Brown
    Pair 15: Black & Slate              Pair 16: Yellow & Blue
    Pair 17:  Yellow & Orange       Pair 18: Yellow & Green
    Pair 19: Yellow & Brown         Pair 20: Yellow & Slate
    Pair 21: Violet & Blue              Pair 22: Violet & Orange
    Pair 23: Violet & Green           Pair 24: Violet & Brown
    Pair 25: Violet & Slate
  • Composition: Constructed 25 pairs with 100% polyester wrap
  • RipCord: Applied longitudinally under the jacket
  • Jacket: PVC (Flame-Retardant, SUN RES & RoHS compliant)
  • Nominal Cable Diameter (in): 0.512
  • Temperature Rating (°F):
    Installation: +32 to + 140      Storage & Operation: -4 to + 167


If you have any questions about our products or services, please feel free to contact us via our Contact Us page or our Facebook page.


Download “1821.pdf” 1821.pdf – 4 MB

Become A Distributor

Syston Cable Technology believes in identifying, building and nurturing long term distributor partnerships. We seek well run, established and properly resourced distributor partners that want to grow their business as much as we want to grow ours. Our partnerships begins with our portfolio of high performance cable products with the most competitive price and our well known brands, and continue with an array of support materials and programs to insure our distributor partners are successful in their respective marketplaces.

If you or your company is up for the challenge, and the rewards that come with being a distributor partner, please take a few minutes to complete the application form below and click the SUBMIT button at the bottom. Upon review, we will call you to complete the application process. All applications are reviewed within 48 hours.