Product Hierarchy
Product Hierarchy

7921A - DataTuff® Cat 5e, (4 pr) 24 AWG Solid BC, PO/PVC, Foil+TC Braid Shld, EtherNet/IP, CMR, CMX

7921A-DataTuff® Cat 5e, (4 pr&#

Four Cat 5e 24 AWG Bonded-Pairs solid bare copper conductors, polyolefin insulation, overall Beldfoil® (100% coverage) plus tinned copper braid shield (70% coverage), industrial grade oil- and UV-resistant PVC jacket.

Product Overview

Suitable Applications: Industrial Ethernet Cable, Harsh Environments, Category 5e, Gigabit Ethernet, 100BaseTX, 100BaseVG ANYLAN, 155ATM, 622ATM, NTSC/PAL Component or Composite Video, AES/EBU Digital Audio, AES51, RS-422, Noisy Environments, CMX - Outdoor, EtherNet/IP™

Physical Characteristics (Overall)

Conductor
AWGStrandingMaterialNo. of Pairs
24SolidBC - Bare Copper4
Conductor Count: 8
Total Number of Pairs: 4
Conductor Size: 24 AWG
Insulation
MaterialNominal DiameterNominal Wall Thickness
PO - Polyolefin0.046 in0.012 in
Color Chart
NumberColor
1White/Blue Stripe & Blue
2White/Orange Stripe & Orange
3White/Green Stripe & Green
4White/Brown Stripe & Brown
Outer Shield Material
TypeLayerMaterialMaterial Trade NameCoverage [%]Drainwire MaterialDrainwire AWGDrainwire Construction n x D
Tape1Aluminum/PolyesterBeldfoil®100 %TC - Tinned Copper26Solid
Braid2TC - Tinned Copper70 %
Outer Jacket Material
MaterialNominal DiameterNominal Wall Thickness
Industrial Grade PVC - Polyvinyl Chloride0.33 in0.03 in

Electrical Characteristics

Conductor DCR
Max. Conductor DCRMax. DCR Unbalance
9.38 Ohm/1000ft3 %
Capacitance
Max. Capacitance UnbalanceNom.Mutual Capacitance
150 pF/ft15 pF/ft
Shielding: SF/UTP - Overall Braid + Foil
Delay
Max. DelayMax. Delay SkewNominal Velocity of Propagation (VP) [%]
538 ns/100m45 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]Min. SRL (Structural Return Loss)Max./Min. Input Impedance (unFitted)Max./Min. Fitted Impedance
1 MHz2 dB/100m65.3 dB62.3 dB63 dB60 dB63.8 dB60.8 dB20 dB20 dB100 ± 15 Ohm95-110 Ohm
4 MHz4.1 dB/100m56.3 dB53.3 dB51 dB49 dB51.7 dB48.7 dB23.6 dB23.6 dB100 ± 15 Ohm95-110
8 MHz5.8 dB/100m51.8 dB48.8 dB46 dB43 dB45.7 dB42.7 dB25.4 dB25.4 dB100 ± 15 Ohm95-107
10 MHz6.5 dB/100m50.3 dB47.3 dB43 dB41 dB43.8 dB40.8 dB26 dB26 dB100 ± 15 Ohm95-107
16 MHz8.2 dB/100m47.3 dB44.3 dB39 dB36 dB39.7 dB36.7 dB26 dB26 dB100 ± 15 Ohm95-107
20 MHz9.3 dB/100m45.8 dB42.8 dB36.5 dB33.5 dB37.7 dB34.7 dB26 dB26 dB100 ± 15 Ohm95-107
25 MHz10.4 dB/100m44.3 dB41.3 dB33.9 dB30.9 dB35.8 dB32.8 dB25.5 dB25.5 dB100 ± 15 Ohm95-107
31.25 MHz11.7 dB/100m42.9 dB39.9 dB31 dB28 dB33.9 dB30.9 dB25 dB25 dB100 ± 15 Ohm95-107
62.5 MHz17 dB/100m38.4 dB35.4 dB22 dB19 dB27.8 dB24.8 dB23.5 dB23.5 dB100 ± 15 Ohm95-107
100 MHz22 dB/100m35.3 dB32.3 dB14 dB11 dB23.8 dB20.8 dB22.5 dB22.5 dB100 ± 15 Ohm
Voltage
UL Voltage Rating
300 V RMS

Temperature Range

Installation Temp Range: -25°C To +75°C
UL Temp Rating: 60°C
Storage Temp Range: -40°C To +80°C
Operating Temp Range: -40°C To +75°C

Mechanical Characteristics

Bulk Cable Weight: 50 lbs/1000ft
Max Recommended Pulling Tension: 75 lbs
Min Bend Radius/Minor Axis: 1.32 in

Standards

NEC/(UL) Specification: CMR, CMX-Outdoor
CEC/C(UL) Specification: CMR
ISO/IEC Compliance: ISO 11801 Cat 5e
CPR Euroclass: Eca
Data Category: Category 5e
Telecommunications Standards: TIA-568.C.2 Category 5e
Third Party Performance Verification: UL verified Cat 5e

Applicable Environmental and Other Programs

EU Directive 2000/53/EC (ELV): Yes
EU Directive 2003/11/EC (BFR): Yes
EU Directive 2011/65/EU (ROHS II): Yes
EU Directive 2012/19/EU (WEEE): Yes
EU Directive 2015/863/EU: Yes
EU Directive Compliance: EU Directive 2003/11/EC (BFR)
EU CE Mark: Yes
EU RoHS Compliance Date (yyyy-mm-dd): 2004-01-04
CA Prop 65 (CJ for Wire & Cable): Yes
MII Order #39 (China RoHS): Yes

Suitability

Suitability - Oil Resistance: Yes
Suitability - Outdoor: Yes
Suitability - Sunlight Resistance: Yes

Flammability, LS0H, Toxicity Testing

UL Flammability: UL1666 Vertical Riser
CSA Flammability: FT4
IEEE Flammability: 1202
UL voltage rating: 300 V RMS

Plenum/Non-Plenum

Plenum (Y/N): No

Part Number

Variants
Item #ColorFootnote
7921A 0101000BlackC
7921A 0102000BlackC
7921A 0061000BlueC
7921A 0021000RedC
7921A 1NH1000TealC
Footnote: C - CRATE REEL PUT-UP.
Patent: https://www.belden.com/resources/patents
Date: 2004-01-04
industrial-ethernet-cable-&-connectivity-solutions.pdf
Industrial Ethernet User Guide
bonded-pair-technology.pdf
Cabling Solutions for Industrial Applications
belden-datatuff-industrial-ethernet-cables-support-cc-link-ie-field-networks.pdf
Industrial Ethernet