1891ELW - Category 7A Enhanced Cable, 4 Pair, S/FTP, LSZH Indoor CPR Cca
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(4)Category 7A Enhanced Premise Horizontal Cable (1300MHz), 4-Pair, 22 AWG solid bare copper conductors, S/FTP, Foam Polyethylene insulation, each pair with Beldfoil® shield, overall tinned copper braid shield (30% coverage), LSZH jacket
| Suitable Applications: | Horizontal and building backbone cable; Support current and future Category 6a, 7 and 7a applications: 25GBase-T (25 Gigabit Ethernet), 10GBase-T (10 Gigabit Ethernet), 1000Base-T (Gigabit Ethernet), 100 Base-T, 10 Base-T, FDDI, ATM |
| Patent: | This product has one or more applicable patents. More information on patents can be found at https://www.belden.com/patents. |
| Element | Size | Stranding | Material | No. of Pairs |
|---|---|---|---|---|
| Individual Shielded Pair | 22 AWG | Solid | BC - Bare Copper | 4 |
| 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 |
| Description |
|---|
| 4 shielded pairs twisted together |
| Element | Shield Type | Material | Coverage |
|---|---|---|---|
| Individual Shielded Pair | Tape | Bi-Laminate (Alum+Poly) | 100% |
| Table Notes: | Aluminum facing outside |
| Shield Type | Material | Coverage |
|---|---|---|
| Braid | Tinned Copper (TC) | 30% |
| Material | Nom. Diameter | Ripcord |
|---|---|---|
| LSZH - Low Smoke Zero Halogen (Flame Retardant) | 8.2 mm (0.32 in) | Yes |
| Overall Cable Diameter (Nominal): | 8.2 mm (0.32 in) |
| 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 |
| Max. Delay Skew | Nom. Velocity of Prop. |
|---|---|
| 25 ns/100m | 73% |
| Frequency [MHz] | Max. Insertion Loss (Attenuation) [dB/100m] | 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 | 78 | 75 | 75.9 | 72.9 | 78 | 75 | 20 | 67 | 67 | 40 | 23 |
| 4 | 3.7 | 78 | 75 | 74.3 | 71.3 | 78 | 75 | 23 | 67 | 67 | 34 | 15 |
| 10 | 5.8 | 78 | 75 | 72.2 | 69.2 | 75.3 | 72.3 | 25 | 67 | 67 | 30 | 10.9 |
| 16 | 7.3 | 78 | 75 | 70.7 | 67.7 | 71.2 | 68.2 | 25 | 67 | 67 | 28 | 5.1 |
| 31.2 | 10.3 | 78 | 75 | 67.7 | 64.7 | 65.4 | 62.4 | 23.6 | 67 | 63.3 | 25.2 | |
| 62.5 | 14.6 | 78 | 75 | 63.4 | 60.4 | 59.4 | 56.4 | 21.5 | 67 | 57.3 | 22 | |
| 100 | 18.5 | 75.4 | 72.4 | 56.9 | 53.9 | 55.3 | 52.3 | 20.1 | 67 | 53.2 | 20 | |
| 155 | 23.2 | 72.5 | 69.5 | 49.3 | 46.3 | 51.5 | 48.5 | 18.8 | 67 | 49.4 | 18.1 | |
| 250 | 29.7 | 69.4 | 66.4 | 39.7 | 36.7 | 47.3 | 44.3 | 17.3 | 67 | 45.2 | 16 | |
| 500 | 42.8 | 64.9 | 61.9 | 22.2 | 19.2 | 41.3 | 38.3 | 17.3 | 67 | 39.2 | ||
| 600 | 47.1 | 63.7 | 60.7 | 16.6 | 13.6 | 39.7 | 36.7 | 17.3 | 65.8 | 37.6 | ||
| 1000 | 61.9 | 60.4 | 57.4 | 35.3 | 32.3 | 15.1 | 62.5 | 33.2 | ||||
| 1300 | 71.4 | 58.7 | 55.7 | 23.5 | 20.5 | 13.9 | 60.8 | 30.9 |
| Table Notes: | Limits below 4MHz and above 1000 MHz are for information only; Reference standard: IEC 61156-5 |
| Frequency | Max. Transfer Impedance |
|---|---|
| 1 Mhz | Max. 50 mOhm/m |
| 10 Mhz | Max. 100 mOhm/m |
| 30 Mhz | Max. 200 mOhm/m |
| 100 Mhz | Max. 1000 mOhm/m |
| Transfer Impedance Class: | Grade 2 |
| Screening Class: | Type Ib |
| Table Notes: | Coupling Attenuation |
| Voltage Rating |
|---|
| 72 V DC |
| Operating | Installation |
|---|---|
| -30°C to +60°C | 0°C To +50°C |
| Stationary Min. | Installation Min. |
|---|---|
| 33 mm (1.3 in) | 65 mm (2.6 in) |
| Max. Pull Tension: | 105 N (23.6 lbf) |
| Bulk Cable Weight: | 66 kg/km (44 lbs/1000ft) |
| Environmental Suitability: | Indoor - Euroclass Cca |
| Flammability / Reaction to Fire: | IEC 60332-1-2, IEC 60332-3-24, IEC 60332-3-22 |
| CPR Compliance: | CPR Euroclass: Cca-s1a,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: 0.16 Revision Date: 10-18-2024 |