The Belden 1885 ENH Category 7 SFTP FRNC data networking cable is used for horizontal and building backbone cable. It supports all existing and proposed Cat 7 applications such as 100 Base TX, 100 Base VG AnyLan, 155 ATM and 1000 Base-T (Gigabit Ethernet), FDDI. The Cat 7 cable also features excellent stability of Impedance and NEXT performance.
Cable Construction
| Number of Pairs: | 4 individually shielded twisted pairs |
| Conductor Material: | Solid bare copper |
| Conductor Diameter: | AWG 23 (0.57mm) |
| Conductor Insulation Material: | Foam skin Polyolefine |
| Diameter over insulation: | 1.45mm ± 0.05mm |
| Shield : | Tinned Copper Braid |
| Shield Coverage: | 40% coverage |
| Ripcord: | Polyester |
| Jacket Material: | FRNC |
| Outer Diameter: | 8.0mm ± 0.3mm |
| Standards: | FCD ISO/IEC 11801 (October 2001) |
| prEN 50288-3-1 | |
| ISO/IEC 11801 2nd edition | |
| EN 50173 2nd edition | |
| Cable Sheath Colour: | Grey / RAL 7032 / G900 (Belden Code) |
| Cable Marking: | BELDEN 1885ENH ISTP “CAT7” 4PR AWG23 LSNH ISO/IEC 11801 EN50173 (DIN 44312-5) VERIFIED 100 OHM |
Electrical Properties (at 20°C)
| Nominal mutual capacitance at 1 kHz | 48 nF/km |
| Maximum conductor DCR | 75 Ohm/km |
| NVP - Nominal Velocity of Propagation | 0.75 c |
| SKEW – Propagation delay difference (100 MHz) | typical 15 ns/100m |
| Impedance 1-100 MHz | 100 ± 15 Ohm |
| Impedance 100-250 MHz | 100 ± 18 Ohm |
| Impedance 250-600 MHz | 100 ± 25 Ohm |
Attenuation
| Frequency (MHz) | 1 | 4 | 10 | 16 | 20 | 31.2 | 62.5 | 100 | 155 | 200 | 300 | 600 |
| Spec. (Max.)* (dB/100m) | 2.0 | 3.7 | 5.9 | 7.4 | 8.5 | 10.4 | 14.9 | 19.0 | 24.0 | 27.5 | 34.2 | 50.1 |
| Typical | 1.9 | 3.5 | 5.4 | 6.9 | 7.6 | 9.6 | 13.6 | 17.4 | 21.7 | 24.7 | 30.5 | 44.6 |
NEXT (Near End Crosstalk)
| Frequency (MHz) | 1 | 4 | 10 | 16 | 20 | 31.2 | 62.5 | 100 | 155 | 200 | 300 | 600 |
| Spec. (Min.)* dB/100m) | 80 | 80 | 80 | 80 | 80 | 80 | 75 | 72 | 70 | 68 | 65 | 61 |
| Typical | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 95 | 95 | 95 | 90 | 90 |
Power sum NEXT
| Frequency (MHz) | 1 | 4 | 10 | 16 | 20 | 31.2 | 62.5 | 100 | 155 | 200 | 300 | 600 |
| Spec. (Min.)* dB/100m) | 77 | 77 | 77 | 77 | 77 | 77 | 72 | 69 | 67 | 65 | 62 | 58 |
| Typical | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 93 | 93 | 93 | 88 | 88 |
Power sum ELFEXT
| Frequency (MHz) | 1 | 4 | 10 | 16 | 20 | 31.2 | 62.5 | 100 | 155 | 200 | 300 | 600 |
| Spec. (Min.)* dB/100m) | 75 | 75 | 71 | 67 | 65 | 61 | 55 | 51 | 47 | 45 | 41 | 35 |
| Typical | 95 | 95 | 95 | 90 | 87 | 84 | 80 | 76 | 72 | 70 | 65 | 50 |
Power sum ACR
| Frequency (MHz) | 1 | 4 | 10 | 16 | 20 | 31.2 | 62.5 | 100 | 155 | 200 | 300 | 600 |
| Spec. (Min.)* dB/100m) | 73 | 73 | 71.1 | 69.6 | 68.5 | 66.6 | 57.1 | 50 | 43 | 37.5 | 27.8 | 7.9 |
| Typical | 96 | 94 | 92 | 91 | 90 | 88 | 84 | 75 | 71 | 68 | 57 | 43 |
Mechanical Properties
| Temperature Range Operation: | -20°C to +60°C |
| Temperature Range Installation: | +0°C to + 50°C |
| Minimum bending radius operation: | 30 mm |
| Minimum bending radius installation: | 60 mm |
| Maximum pulling tension: | 90 N |
| Flame Retardancy: | IEC 332-1 |
| Energy of Flame: | 500 kJ/m |
| Weight (approx): | 60 kg/km |
| Maximum operating voltage: | 48 V rms |
| Maximum continuous current per conductor (25°C) | 1.4 A |
Ordering Information
| Order Code | Delivery Length | Weight | Note |
| D9000 G900 D05 | 500m | 30.0kg | Non returnable reel |
| D9000 G900 D09 | 1000m | 60.0kg | Non returnable reel |
Please contact us to place an order or with any queries you may have.
