Product Number: 1227A1

Category 3 Horizontal Cable, 2 Pair, U/UTP, CMR

Category 3 Premise Horizontal Cable (16MHz), 2 Pair, 24 AWG Solid Bare Copper Conductors, U/UTP, Riser-CMR, PVC Jacket

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    Global
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    Active
1227A1
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Specifications

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Suitable Applications

Ethernet 10BASE-T, Analog Phone, FAX

Conductor

Size Stranding Material No. of Pairs
24 AWG Solid BC - Bare Copper 2

Insulation

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

Outer Jacket

Material Nom. Diameter Ripcord
PVC - Polyvinyl Chloride 0.173 in (4.39 mm) No

Overall Cable Diameter (Nominal)

0.173 in (4.39 mm)

Electricals

Max. Conductor DCR Max. Capacitance Unbalance
93.8 Ohm/km (28.6 Ohm/1000ft) 90 pF/100m

Delay

Frequency Max. Delay Max. Delay Skew Nom. Velocity of Prop.
16 MHz 543 ns/100m 45 ns/100m 70%

High Frequency

Frequency [MHz] Max. Insertion Loss (Attenuation) Min. NEXT [dB] Min. SRL (Structural Return Loss) [dB] Max./Min. Fitted Impedance [Ohm]
1 2.6 dB/100m 41.0 12.0 100 ± 15
4 5.6 dB/100m 32.0 12.0 100 ± 15
8 8.5 dB/100m 27.0 12.0 100 ± 15
10 9.7 dB/100m 26.0 12.0 100 ± 15
16 13.1 dB/100m 23.0 10.0 100 ± 15

Voltage

UL Voltage Rating
300 V (CMR)

Temperature

UL Temperature Operating Installation Storage
75°C -20°C To +75°C 0°C To +50°C -20°C To +75°C

Bend Radius

Stationary Min. Installation Min.
1.0 in (25 mm) 1.75 in (44.5 mm)

Max. Pull Tension

15 lbs (6.8 kg)

Bulk Cable Weight

12 lbs/1000ft

Environmental Suitability

Riser, Indoor, Outdoor, Sunlight Resistance

Sustainability

Product Lens™, Environmental Product Declaration (EPD) Available

Flammability / Reaction to Fire

UL 1666 Riser, FT4, IEC 60332-1-2

CPR Compliance

CPR Euroclass: Eca; CPR UKCA Class: Eca

NEC / UL Compliance

Article 800, CMR

CEC / C(UL) Compliance

CMR

ICEA Compliance

S-90-661

NEMA Compliance

NEMA WC-63.1

Data Category

Category 3

TIA/EIA Compliance

ANSI/TIA-568.2-D Category 3

Third Party Performance Verification

Category 3

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)

Plenum Number

1243A2

Notes

Electrical values are expected performance based on cable testing and representative performance within a typical Belden system. Print Includes Descending Footage Markings.

Update and Revision

Revision Number: 0.554 Revision Date: 09-07-2025

Update and Revision

Revision Number: 0.554 Revision Date: 09-07-2025


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Part Numbers

Item # Color Putup Type Length UPC
1227A1 008U1000 Gray UnReel 1,000 ft 612825109266
1227A1 Q5HU1000 White UnReel 1,000 ft 612825109259

Resources

Technical Documents
Product Guides
Reference Manuals
Compliance Documentation

Resources

Technical Documents
Product Guides
Reference Manuals
Compliance Documentation