Product Number: 1890ENH

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

Category 7A Enhanced Premise Horizontal Cable (1300MHz) shotgun, 2 x 4-Pair, 22 AWG solid bare copper conductors, S/FTP, Foam Polyethylene insulation, each pair with Beldfoil® shield, overall tinned copper braid shield (50% coverage), LSZH jacket

  • Availability:
    EMEA
  • Status:
    Active

Specifications

Suitable Applications

Horizontal and building backbone cable; Support current and future Category 6a, 7 and 7a applications, such as: 25GBase-T (25 Gigabit Ethernet), 10GBase - T (10 Gigabit Ethernet), 1000Base - T (Gigabit Ethernet), 100 Base - T, 10 Base - T, FDDI, ATM

Conductor

Element Size Stranding Material No. of Pairs
Individual Shielded Pair 22 AWG Solid BC - Bare Copper 8

Insulation

Element Material Nom. Insulation Diameter Color Code
Individual Shielded Pair PE - Polyethylene (Foam) 1.5 mm (0.059 in) White & Blue, White & Orange, White & Green, White & Brown

Cable Core

Description
4 pairs twisted together

Inner Shield

Element Shield Type Material Coverage
Individual Shielded Pair Tape Bi-Laminate (Alum+Poly) 100%

Inner Shield Table Notes

Aluminum facing outside

Outer Shield

Shield Type Material Coverage
Braid Tinned Copper (TC) 50%

Outer Jacket

Material Nom. Diameter Ripcord
LSZH - Low Smoke Zero Halogen (Flame Retardant) 8.1 mm (0.32 in) Yes

Outer Jacket1 Table Notes

Figure 8 construction

Overall Cable Diameter (Nominal)

8.0 mm (0.31 in)

Electricals

Max. Conductor DCR Max. Mutual Capacitance Max. Capacitance Unbalance Nom. Characteristic Impedance
95 Ohm/km (29 Ohm/1000ft) 56 pF/m (17 pF/ft) 160 pF/100m 100 Ohm

Delay

Max. Delay Skew Nom. Velocity of Prop.
25 ns/100m 73%

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 75.4 72.4 56.9 53.9 55.3 52.3 20.1 67 53.2 20
155 23.2 dB/100m 72.5 69.5 49.3 46.3 51.5 48.5 18.8 67 49.4 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
1300 71.4 dB/100m 58.7 55.7 23.5 20.5 13.9 60.8 30.9

High Frequency Table Notes

Limits below 4MHz 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

Screening Table Notes

Coupling Attenuation

Voltage

Voltage Rating
72 V DC

Temperature

Operating Installation
-30°C to +60°C 0°C To +50°C

Bend Radius

Stationary Min. Installation Min.
29 mm (1.1 in) 58 mm

Max. Pull Tension

170 N (38 lbf)

Bulk Cable Weight

109 kg/km

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

Notes

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

Update and Revision

Revision Number: 0.333 Revision Date: 09-07-2025

Update and Revision

Revision Number: 0.333 Revision Date: 09-07-2025


Part Numbers

Item # Color Putup Type Length EAN
1890ENH.00500 Gray, RAL 7032 Reel 500 m 8719605004857