Product Hierarchy
Product Hierarchy

1872A - Category 6+ Cable, 4 Bonded-Pairs, U/UTP, CMR

Category 6+ Premise Horizontal Cable (350MHz), 4 Bonded-Pairs, 23 AWG Solid Bare Copper Conductors, U/UTP, Riser-CMR, PVC Jacket

Product Overview

Suitable Applications: Premise Horizontal Cable, Ethernet 1000BASE-T, Ethernet 100BASE-TX, Ethernet 10BASE-T, PoE++, PoE+, PoE
Patent: This product has one or more applicable patents. More information on patents can be found at

Construction Details

AWGStrandingMaterialNumber of Pairs
23SolidBC - Bare Copper4
MaterialColor Code
PO - PolyolefinWhite/Blue Stripe & Blue, White/Orange Stripe & Orange, White/Green Stripe & Green, White/Brown Stripe & Brown
Bonded-Pair: Yes
Outer Jacket Material
MaterialNom. DiameterRipcord
PVC - Polyvinyl Chloride0.365 x 0.165 inYes

Electrical Characteristics

Max. Conductor DCRMax. DCR UnbalanceMax. Capacitance UnbalanceNom. Mutual Capacitance
75 Ohm/km3%49 pF/100m15 pF/ft
Frequency [MHz]Max. DelayMax. Delay SkewNom. Velocity of Propagation (VP) [%]
100 MHz537.6 ns/100m25 ns/100m70%
High Freq
Frequency [MHz]Max. Insertion Loss (Attenuation)Min. NEXT [dB]Min. PSNEXT [dB]Min. ACR [dB]Min. PSACR [dB]Min. ACRF (ELFEXT) [dB]Min. PSACRF (PSELFEXT) [dB]Min. RL (Return Loss) [dB]Max./Min. Input Impedance (unFitted)Max./Min. Fitted Impedance
1 MHz1.9 dB/100m75.3 dB75.3 dB73.4 dB73.4 dB67.8 dB64.8 dB20.0 dB100 ± 12 Ohm100 ± 15 Ohm
4 MHz3.7 dB/100m66.3 dB66.3 dB62.6 dB62.6 dB55.7 dB52.8 dB23.0 dB100 ± 12 Ohm100 ± 15 Ohm
8 MHz5.3 dB/100m61.8 dB61.8 dB56.5 dB56.5 dB49.7 dB46.7 dB24.5 dB100 ± 12 Ohm100 ± 15 Ohm
10 MHz5.9 dB/100m60.3 dB60.3 dB54.4 dB54.4 dB47.8 dB44.8 dB25.0 dB100 ± 12 Ohm100 ± 15 Ohm
16 MHz7.5 dB/100m57.2 dB57.2 dB49.7 dB49.7 dB43.7 dB40.7 dB25.0 dB100 ± 12 Ohm100 ± 8 Ohm
20 MHz8.4 dB/100m55.8 dB55.8 dB47.3 dB47.3 dB41.8 dB38.8 dB25.0 dB100 ± 12 Ohm100 ± 8 Ohm
25 MHz9.5 dB/100m54.3 dB54.3 dB44.9 dB44.9 dB39.8 dB36.8 dB24.3 dB100 ± 15 Ohm100 ± 8 Ohm
31.25 MHz10.6 dB/100m52.9 dB52.9 dB42.2 dB42.2 dB37.9 dB34.9 dB23.6 dB100 ± 15 Ohm100 ± 8 Ohm
62.5 MHz15.4 dB/100m48.4 dB48.4 dB33.0 dB33.0 dB31.8 dB28.9 dB21.5 dB100 ± 15 Ohm100 ± 8 Ohm
100 MHz19.8 dB/100m45.3 dB45.3 dB25.5 dB25.5 dB27.8 dB24.8 dB21.0 dB100 ± 15 Ohm100 ± 8 Ohm
155 MHz25.1 dB/100m42.4 dB42.4 dB17.3 dB17.3 dB24.0 dB21.0 dB21.0 dB100 ± 15 Ohm100 ± 8 Ohm
200 MHz29.0 dB/100m40.8 dB40.8 dB11.8 dB11.8 dB21.7 dB18.8 dB21.0 dB100 ± 15 Ohm100 ± 8 Ohm
250 MHz32.8 dB/100m39.3 dB39.3 dB6.5 dB6.5 dB19.8 dB16.8 dB18.0 dB100 ± 20 Ohm100 ± 8 Ohm
300 MHz36.4 dB/100m38.1 dB38.1 dB1.7 dB1.7 dB18.3 dB15.3 dB18.0 dB100 ± 20 Ohm100 ± 8 Ohm
310 MHz39.8 dB/100m37.1 dB37.1 dB-2.6 dB-2.6 dB16.9 dB13.9 dB17.0 dB100 ± 22 Ohm100 ± 8 Ohm
350 MHz43.0 dB/100m36.3 dB36.3 dB15.8 dB12.8 dB14.0 dB100 ± 32 Ohm100 ± 8 Ohm
400 MHz46.0 dB/100m35.5 dB35.5 dB14.7 dB11.7 dB14.0 dB100 ± 32 Ohm100 ± 8 Ohm
500 MHz48.9 dB/100m34.8 dB34.8 dB13.8 dB10.8 dB14.0 dB100 ± 32 Ohm100 ± 8 Ohm
550 MHz51.8 dB/100m34.2 dB34.2 dB13.0 dB10.0 dB14.0 dB100 ± 32 Ohm100 ± 8 Ohm
UL Voltage Rating
300 V (CMR)

Mechanical Characteristics

UL Rating.OperatingInstallationStorage
75°C-20°C To +75°C0°C To +50°C-20°C To +75°C
Bend Radius
Stationary Min.Installation Min.
0.5 in1.75 in
Max. Pull Tension: 40 lbs
Bulk Cable Weight: 32 lbs/1000ft

Standards and Compliance

Environmental Suitability: Riser, Indoor
Sustainability: Product Lens™, Environmental Product Declaration (EPD) Available
Flammability / Fire Resistance: UL 1666 Riser, FT4, FT4, IEC 60332-1-2
NEC / UL Compliance: Article 800, CMR
CEC / C(UL) Compliance: CMR
ICEA Compliance: S-116-732-2013
IEEE Compliance: IEEE 802.3bt Type 1, Type 2, Type 3, Type 4
NEMA Compliance: ANSI/NEMA WC-66
Data Category: Category 6
TIA/EIA Compliance: ANSI/TIA-568.2-D Category 6
CPR Euroclass: Eca
European Directive Compliance: EU CE Mark, EU Directive 2015/863/EU (RoHS 2 amendment), EU Directive 2011/65/EU (RoHS 2), EU Directive 2012/19/EU (WEEE), REACH: 2020-01-16
APAC Compliance: China RoHS II (GB/T 26572-2011)

Part Number

Plenum Number: 1874A
Item #ColorPutup TypeLengthUPC
1872A 0101000BlackReel1,000 ft612825125464
1872A 0061000BlueReel1,000 ft612825125419
1872A 006A1000BlueReel-in-Box1,000 ft612825125402
1872A X6G1000GoldReel1,000 ft612825125310
1872A X6GA1000GoldReel-in-Box1,000 ft612825125303
1872A F6H1000GrayReel1,000 ft612825125297
1872A F6HA1000GrayReel-in-Box1,000 ft612825320647
1872A 0051000GreenReel1,000 ft612825125396
1872A 005A1000GreenReel-in-Box1,000 ft612825125389
1872A 0031000OrangeReel1,000 ft612825125358
1872A 003A1000OrangeReel-in-Box1,000 ft612825125341
1872A 0071000PurpleReel1,000 ft612825125433
1872A 007A1000PurpleReel-in-Box1,000 ft612825125426
1872A 0021000RedReel1,000 ft612825125334
1872A 002A1000RedReel-in-Box1,000 ft612825125327
1872A 0091000WhiteReel1,000 ft612825125457
1872A 009A1000WhiteReel-in-Box1,000 ft612825125440
1872A 0041000YellowReel1,000 ft612825125372
1872A 004A1000YellowReel-in-Box1,000 ft612825125365

Product Notes

Notes: Electrical values are expected performance based on cable testing and representative performance within a typical Belden system. Values above 350 MHz are for Engineering Information Only. Print Includes Descending Footage Markings from Max. Put-Up Length to 0.


Update and Revision: Revision Number: 0.422 Revision Date: 03-16-2021
Date: 2004-01-01
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