Product Number: 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

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2143A
  • 2143A
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Specifications

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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.

Conductor

Size Stranding Material No. of Pairs
23 AWG Solid BC - Bare Copper 4

Insulation

Material Color Code
PO - Polyolefin White/Blue Stripe & Blue, White/Orange Stripe & Orange, White/Green Stripe & Green, White/Brown Stripe & Brown

Waterblocking

Gel Filled

Outer Jacket

Separator Material Material Trade Name Nom. 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)

Electricals

Max. Conductor DCR Max. Capacitance Unbalance
93.8 Ohm/km (28.6 Ohm/1000ft) 160 pF/100m

Delay

Frequency Max. Delay Skew Nom. Velocity of Prop.
100 MHz 45 ns/100m 65%

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]
1 2.0 dB/100m 74.3 72.3 70.3 67.8 64.8 20.0 100 ± 15 100 ± 15 40.0 35.0
4 3.8 dB/100m 65.3 63.3 59.5 55.7 52.7 23.0 100 ± 15 100 ± 15 40.0 23.0
8 5.3 dB/100m 60.8 58.8 53.4 49.7 46.7 24.5 100 ± 15 100 ± 15 40.0 16.9
10 6.0 dB/100m 59.3 57.3 51.4 47.8 44.8 25.0 100 ± 15 100 ± 15 40.0 15.0
16 7.6 dB/100m 56.3 54.3 46.7 43.7 40.7 25.0 100 ± 15 100 ± 15 38.0 10.9
20 8.5 dB/100m 54.8 52.8 44.3 41.7 38.7 25.0 100 ± 15 100 ± 15 37.0 9.0
25 9.5 dB/100m 53.3 51.3 41.8 39.8 36.8 24.3 100 ± 15 100 ± 15 36.0 7.0
31.25 10.7 dB/100m 51.9 49.9 39.2 37.9 34.9 23.6 100 ± 15 100 ± 15 35.1 5.1
62.5 15.4 dB/100m 47.4 45.4 30.0 31.8 28.8 21.5 100 ± 15 100 ± 15 32.0
100 19.8 dB/100m 44.3 42.3 22.5 27.8 24.8 20.1 100 ± 15 100 ± 15 30.0
155 25.2 dB/100m 41.5 39.5 14.3 23.9 20.9 18.8 100 ± 22 100 ± 15 28.1
200 29.0 dB/100m 39.8 37.8 8.8 21.7 18.7 18.0 100 ± 22 100 ± 15 27.0
250 32.8 dB/100m 38.3 36.3 3.5 19.8 16.8 17.3 100 ± 32 100 ± 15 26.0

Voltage

UL Voltage Rating
300 V (CM-LS)

Temperature

UL Temperature Operating Installation Storage
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

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)

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).

Update and Revision

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

Update and Revision

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

Part Numbers

Item # Color UPC
2143A 0101000 Black 612825130437

Resources

Product Bulletins
Product Certifications
Reference Manuals
Compliance Documentation

Resources

Product Bulletins
Product Certifications
Reference Manuals
Compliance Documentation