7770ELY - Category 7A Enhanced Cable, 2 x 4 Pair, S/FTP, LSZH Indoor CPR Dca
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7770ELY – Category 7A Enhanced Cable, 2 x 4 Pair, S/FTP, LSZH Indoor CPR Dca

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Product Overview

Suitable Applications: Horizontal and building backbone cable; Support current and future Category 6a, 7 and 7a applications: 10GBase-T (10 Gigabit Ethernet), 1000Base-T (Gigabit Ethernet), 100 Base-T, 10 Base-T, FDDI, ATM

Construction Details

Conductor
Element Size Stranding Material No. of Pairs No. of Elements
Individual Shielded Pair 22 AWG Solid BC – Bare Copper 4 16
Insulation
Element Material Nom. Insulation Diameter Color Code
Individual Shielded Pair PE – Polyethylene (Foam) 1.6 mm (0.063 in) White & Blue, White & Orange, White & Green, White & Brown
Cable Core
Description
2x 4 shielded pairs twisted together
Inner Shield
Element Shield Type Material Coverage
Individual Shielded Pair Tape Bi-Laminate (Alum+Poly) 100%
Table Notes: Aluminum facing outside
Outer Shield
Shield Type Material
Braid Tinned Copper (TC)
Outer Jacket
Material Nom. Diameter Ripcord
LSZH – Low Smoke Zero Halogen (Flame Retardant) 8.0 mm (0.31 in) Yes
Overall Cable Diameter (Nominal): 8.0 mm (0.31 in)

Electrical Characteristics

Electricals
Max. Conductor DCR Max. Mutual Capacitance Max. Capacitance Unbalance Nom. Characteristic Impedance
95 Ohm/km 56 pF/m (17 pF/ft) 160 pF/100m 100 Ohm
Delay
Max. Delay Skew Nom. Velocity of Prop.
25 ns/100m 76%
High Frequency
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. PSANEXT [dB] Min. PSAACRF [dB] Min. TCL [dB] Min. ELTCTL [dB]
1 2.1 dB/100m 78 75 75.9 72.9 78 75 20 67 67 40 23
4 3.7 dB/100m 78 75 74.3 71.3 78 75 23 67 67 34 15
10 5.8 dB/100m 78 75 72.2 69.2 75.3 72.3 25 67 67 30 10.9
16 7.3 dB/100m 78 75 70.7 67.7 71.2 68.2 25 67 67 28 5.1
31.2 10.3 dB/100m 78 75 67.7 64.7 65.4 62.4 23.6 67 63.3 25.2
62.5 14.6 dB/100m 78 75 63.4 60.4 59.4 56.4 21.5 67 57.3 22
100 18.5 dB/100m 72.5 69.5 56.9 46.3 55.3 48.5 18.8 67 53.2 18.1
250 29.7 dB/100m 69.4 66.4 39.7 36.7 47.3 44.3 17.3 67 45.2 16
500 42.8 dB/100m 64.9 61.9 22.2 19.2 41.3 38.3 17.3 67 39.2
600 47.1 dB/100m 63.7 60.7 16.6 13.6 39.7 36.7 17.3 65.8 37.6
1000 61.9 dB/100m 60.4 57.4 35.3 32.3 15.1 62.5 33.2
1200 68.4 dB/100m 59.2 56.2 33.7 30.7 14.3
1600 80.0 dB/100m 57.3 54.3 31.2 28.2 13
Table Notes: Limits below 4 MHz and above 1000 MHz are for information only.
Reference standard: IEC 61156-5
Transfer Impedance
Frequency Max. Transfer Impedance
1 Mhz Max. 10 mOhm/m
10 Mhz Max. 10 mOhm/m
30 Mhz Max. 30 mOhm/m
100 Mhz Max. 100 mOhm/m
Transfer Impedance Class: Grade 1
Screening Class: Type I
Table Notes: Coupling Attenuation
Voltage
Voltage Rating
72 V DC

Mechanical Characteristics

Temperature
Operating Installation
-30°C to +60°C 0°C To +50°C
Bend Radius
Stationary Min. Installation Min.
33 mm (1.3 in) 65 mm
Max. Pull Tension: 105 N (23.6 lbf)
Bulk Cable Weight: 132 kg/km

Standards and Compliance

Environmental Suitability: Indoor – Euroclass Dca
Flammability / Reaction to Fire: IEC 60332-1-2
CPR Compliance: CPR Euroclass: Dca-s1,d1,a1
IEEE Compliance: PoE: IEEE 802.3bt Type 1, Type 2, Type 3, Type 4
Data Category: Category 7A
TIA/EIA Compliance: ANSI/TIA 568.2-D
ISO/IEC Compliance: ISO/IEC 11801-1, IEC 61034-2 – Smoke Density Min Transmittance = 60%
CENELEC Compliance: EN 50173-1, Segregation class according EN50174-2 = d
European Halogen Free Standards: IEC 62821-1 Halogen Free Compliance = Yes, IEC 60754-1 – Halogen Amount = Zero, IEC 60754-2 – Halogen Acid Gas Amount – Max. Conductivity = 2.5 µS/mm, IEC 60754-2 – Halogen Acid Gas Amount – Min. pH = 4.3
European Directive Compliance: EU CE Mark
UK Regulation Compliance: UKCA Mark

Product Notes

Notes: Electrical values are expected performance based on cable testing and representative performance within a typical Belden system.

History

Update and Revision: Revision Number: 0.65 Revision Date: 01-05-2024

Part Numbers

Variants
Item # Color Putup Type Length EAN
7770ELY.00500 Blue Reel 500 m 8719605168153
SKU: 7770ELY Categories: , , ,

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