Product Hierarchy
Product Hierarchy

2143A - Category 6 Indoor/Outdoor Cable, 4 Pair, U/UTP, OSP/CM-LS, LSZH


Category 6 Premise Horizontal Cable (350MHz), Indoor/Outdoor OSP/CM-LS, 4 Pair, 23 AWG Solid Bare Copper Conductors, U/UTP, Gel-filled, Haloarrest® UV Resistant Flame Retardant LSZH Jacket

Product Overview

Suitable Applications: OSP-Outdoor, Indoor/Outdoor, Premise Horizontal Cable, Ethernet 1000BASE-T, Ethernet 100BASE-TX, Ethernet 10BASE-T, PoE++, PoE+, PoE, Noisy Environments, Not Suitable for Marine Application
Patent: This product has one or more applicable patents. More information on patents can be found at https://www.belden.com/patents.

Construction Details

Conductor
SizeStrandingMaterialNo. of Pairs
23 AWGSolidBC - Bare Copper4
Insulation
MaterialColor Code
PO - PolyolefinWhite/Blue Stripe & Blue, White/Orange Stripe & Orange, White/Green Stripe & Green, White/Brown Stripe & Brown
Waterblocking: Gel Filled
Outer Jacket
SeparatorMaterialMaterial Trade NameNom. Diameter
Center Member (Patented X-Spline®)LSZH - Low Smoke Zero Halogen (Flame Retardant)Haloarrest®0.275 in (6.99 mm)
Overall Cable Diameter (Nominal): 0.275 in (6.99 mm)

Electrical Characteristics

Electricals
Max. Conductor DCRMax. Capacitance Unbalance
93.8 Ohm/km (28.6 Ohm/1000ft)160 pF/100m
Delay
FrequencyMax. Delay SkewNom. Velocity of Prop.
100 MHz45 ns/100m65%
High Frequency
Frequency [MHz]Max. Insertion Loss (Attenuation)Min. NEXT [dB]Min. PSNEXT [dB]Min. PSACR [dB]Min. ACRF (ELFEXT) [dB]Min. PSACRF (PSELFEXT) [dB]Min. RL (Return Loss) [dB]Max./Min. Input Impedance (unFitted) [Ohm]Max./Min. Fitted Impedance [Ohm]Min. TCL [dB]Min. ELTCTL [dB]
12.0 dB/100m74.372.370.367.864.820.0100 ± 15100 ± 1540.035.0
43.8 dB/100m65.363.359.555.752.723.0100 ± 15100 ± 1540.023.0
85.3 dB/100m60.858.853.449.746.724.5100 ± 15100 ± 1540.016.9
106.0 dB/100m59.357.351.447.844.825.0100 ± 15100 ± 1540.015.0
167.6 dB/100m56.354.346.743.740.725.0100 ± 15100 ± 1538.010.9
208.5 dB/100m54.852.844.341.738.725.0100 ± 15100 ± 1537.09.0
259.5 dB/100m53.351.341.839.836.824.3100 ± 15100 ± 1536.07.0
31.2510.7 dB/100m51.949.939.237.934.923.6100 ± 15100 ± 1535.15.1
62.515.4 dB/100m47.445.430.031.828.821.5100 ± 15100 ± 1532.0
10019.8 dB/100m44.342.322.527.824.820.1100 ± 15100 ± 1530.0
15525.2 dB/100m41.539.514.323.920.918.8100 ± 22100 ± 1528.1
20029.0 dB/100m39.837.88.821.718.718.0100 ± 22100 ± 1527.0
25032.8 dB/100m38.336.33.519.816.817.3100 ± 32100 ± 1526.0
Voltage
UL Voltage Rating
300 V (CM-LS)

Mechanical Characteristics

Temperature
UL TemperatureOperatingInstallationStorage
75°C-40°C To +75°C-20°C To +75°C-40°C To +75°C
Bend Radius
Stationary Min.
2.75 in (69.9 mm)
Max. Pull Tension: 25 lbs (11 kg)
Bulk Cable Weight: 39 lbs/1000ft

Standards and Compliance

Environmental Suitability: Indoor/Outdoor, Indoor, Outdoor, Non-Halogenated, Sunlight Resistance, Aerial - When supported by messenger wire, Burial - Engineered burial only
Sustainability: Product Lens™, Environmental Product Declaration (EPD) Available
Flammability / Reaction to Fire: UL 1685 (UL Loading-Limited Smoke), IEC 60332-1-2
CPR Compliance: CPR Euroclass: Eca; CPR UKCA Class: Eca
NEC / UL Compliance: Article 800, CM-LS
CEC / C(UL) Compliance: CMG-ST1
ICEA Compliance: S-116-732, S-56-434, S-99-689, S-100-685
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
ISO/IEC Compliance: ISO/IEC 11801-1, IEC 61156-5
CENELEC Compliance: Segregation class according EN50174-2 = a
European Directive Compliance: EU CE Mark, EU Directive 2015/863/EU (RoHS 2 amendment), REACH, EU Directive 2011/65/EU (RoHS 2), EU Directive 2012/19/EU (WEEE), REACH: 2020-01-16
UK Regulation Compliance: UKCA Mark
APAC Compliance: China RoHS II (GB/T 26572-2011)

Product Notes

Notes: Electrical values are expected performance based on cable testing and representative performance within a typical Belden system. Cable not guaranteed to meet TIA 568.2 specification for delay above lengths of 90m. Print Includes Descending Footage/Meter Markings from Max. Put-Up Length to 0. Fully Water Blocked. Suitable for burial or use in Buildings in Wet Locations. Not recommended for Direct Burial applications without additional crush and impact protection. Additional crush and impact protection would include cable armoring, installation in conduit or installation with over top barriers per Belden Technical Bulletin T/8-6. Sunlight Resistant (Black Jacket Only).

History

Update and Revision: Revision Number: 0.563 Revision Date: 03-17-2025

Part Numbers

Variants
Item #ColorUPC
2143A 0101000Black612825130437
Date: 2013-11-14
Belden-Copper-Catalog-2016.pdf
ABS Certificate of Design Assessment 18-HS1803790-PDA - Division (14 Dec 2018).pdf
Copper-Structured-Cabling-Design-Guide.pdf
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