Product Hierarchy
Product Hierarchy

1232A1 - CAT3 Horizontal, 25pr, UTP, PVC Jkt, CMR




CAT3 (16MHz), 25-Pair, U/UTP-unshielded, Riser-CMR, Premise Backbone Cable, 24 AWG solid bare copper conductors, semi-rigid PVC insulation, PVC jacket

Product Overview

Suitable Applications: 802.3 10BaseT, 100BaseT4

Construction Details

Conductor
SizeStrandingMaterialNo. of Pairs
24SolidBC - Bare Copper25
Insulation
MaterialColor Code
PO - PolyolefinWhite/Blue Stripe & Blue/White Stripe, White/Orange Stripe & Orange/White Stripe, White/Green Stripe & Green/White Stripe, White/Brown Stripe & Brown/White Stripe, White/Gray Stripe & Gray/White Stripe, Red/Blue Stripe & Blue/Red Stripe, Red/Orange Stripe & Orange/Red Stripe, Red/Green Stripe & Green/Red Stripe, Red/Brown Stripe & Brown/Red Stripe, Red/Gray Stripe & Gray/Red Stripe, Black/Blue Stripe & Blue/Black Stripe, Black/Orange Stripe & Orange/Black Stripe, Black/Green Stripe & Green/Black Stripe, Black/Brown Stripe & Brown/Black Stripe, Black/Gray Stripe & Gray/Black Stripe, Yellow/Blue Stripe & Blue/Yellow Stripe, Yellow/Orange Stripe & Orange/Yellow Stripe, Yellow/Green Stripe & Green/Yellow Stripe, Yellow/Brown Stripe & Brown/Yellow Stripe, Yellow/Gray Stripe & Gray/Yellow Stripe, Purple/Blue Stripe & Blue/Purple Stripe, Purple/Orange Stripe & Orange/Purple Stripe, Purple/Green Stripe & Green/Purple Stripe, Purple/Brown Stripe & Brown/Purple Stripe, Purple/Gray Stripe & Gray/Purple Stripe
Outer Jacket
MaterialNom. DiameterRipcord
PVC - Polyvinyl Chloride0.399 inNo

Electrical Characteristics

Electricals
Max. Conductor DCRMax. Capacitance Unbalance
93.8 Ohm/km (28.6 Ohm/1000ft)330 pF/100m
Delay
FrequencyMax. DelayNom. Velocity of Prop.
16 MHz543 ns/100m70%
High Frequency
Frequency [MHz]Max. Insertion Loss (Attenuation) [dB/100m]Min. PSNEXT [dB]Min. SRL (Structural Return Loss) [dB]Max./Min. Fitted Impedance
12.641.012.0100 ± 15 Ohm
45.632.012.0100 ± 15 Ohm
88.527.012.0100 ± 15 Ohm
109.726.012.0100 ± 15 Ohm
1613.123.010.0100 ± 15 Ohm
Voltage
UL Voltage Rating
300 V RMS

Mechanical Characteristics

Temperature
UL TemperatureOperatingInstallationStorage
60°C-20°C To +60°C0°C To +50°C-20°C To +60°C
Bend Radius
Stationary Min.Installation Min.
2.25 in (57.2 mm)2.75 in (69.9 mm)
Max. Pull Tension: 150 lbs (68 kg)
Bulk Cable Weight: 90 lbs/1000ft (130 kg/km)

Standards and Compliance

Environmental Suitability: Riser, Indoor
Sustainability: Product Lens™, Environmental Product Declaration (EPD) Available
Flammability / Reaction to Fire: UL 1666 Riser
CPR Compliance: CPR Euroclass: Eca
NEC / UL Compliance: CMR
CEC / C(UL) Compliance: CMR
IEEE Compliance: 802.3 10BaseT, 100BaseT4
Data Category: Category 3
TIA/EIA Compliance: ANSI/TIA-568-C.2 Category 3
Third Party Performance Verification: Category 3
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: 2017-07-10
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. Print Includes Descending Footage Markings.

History

Update and Revision: Revision Number: 0.491 Revision Date: 09-07-2025

Part Numbers

Variants
Item #ColorPutup TypeLengthUPCFootnote
1232A1 0081000GrayReel1,000 ft612825109648C
Footnote: C - CRATE REEL PUT-UP.
Date: 2011-12-09
Belden-Copper-Catalog-2016.pdf
Copper-Structured-Cabling-Design-Guide.pdf
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