Belden 7851A Paired Cat 6e Cable

Belden 7851A Paired Cat 6e Cable

The Belden 7851A cable is a paired enhanced Category 6 bonded - pair data cable made from 23 AWG bonded pairs solid copper conductors. The cable is suitable as a horizontal cable and Gigabit Ethernet, 100BaseTX, 100BaseVG ANYLAN, 155ATM, 622ATM, NTSC/PAL Component or Composite Video, AES/EBU Digital Audio, AES51, RS-422, Noisy Environment applications.

Cable Construction

Number of Pairs: 4
Total Number of Conductors: 8
AWG: 23
Stranding: Solid
Conductor Material: Bare Copper (BC)
Insulation Material: Polyolefin (PO)
Colour Code Chart: Number 1 : White/Blue Stripe & Blue

Number 2 : White/Orange Stripe & Orange

Number 3 : White/Green Stripe & Green

Number 4 : White/Brown Stripe & Brown
Overall Cabling Fillers: E-Spline Centre Member
Outer Shield Material: Unshielded
Outer Jacket Material: Polyvinyl Chloride (PVC)
Outer Jacket Ripcord: Yes
Overall Nominal Diameter: 0.227 x 0.315"
Operating Temperature Range: -20°C To +75°C
Bulk Cable Weight: 31.3 lbs/1000 ft.
Maximum Recommended Pulling Tension: 45 lbs.
Minimum Bend Radius (Install): 0.25"
NEC/(UL) Specification: CRM, UL444
CEC/C(UL) Specification: CMR
EU CE Mark: Yes
EU RoHS Compliant: Yes
EU RoHS Compliance Date: 01/01/2004
TIA/EIA Specification: 568-B.2-1 Category 6
Other Specification: UL verified to Category 6
UL Flame Test: UL1666 Riser
CSA Flame Test: FT4
Plenum: No
Plenum Number: 7852A

Electrical Properties

Nominal Mutual Capacitance @ 1 KHz: 15.5 pF/ft
Maximum Capacitance Unbalance (pF/100 m): 65.6 pF/100 m
Nominal Velocity of Propagation: 67%
Maximum Delay (ns/100 m): 538 @ 100MHz ns/100 m
Maximum Delay Skew (ns/100m): 38 ns/100 m
Maximum Conductor DC Resistance @ 20 Deg. C: 8.2 Ohms/100 m
Maximum DCR Unbalance @ 20 Deg. C: 3%
Max. Operating Voltage - UL: 300 V RMS

Premise Electrical Characteristics

Frequency
(MHz)
Max. Attenuation (dB/100 m) Min. NEXT (dB) Min. PSNEXT (dB) Min. ACR (dB) Min. PSACR (dB) Min. Return Loss (dB) Min. Structural Return Loss (dB)
1 1.9 82.3 80.3 80.5 78.5 20.0 27.0
4 3.6 73.3 71.3 69.7 67.7 23.0 27.0
8 5.1 68.8 66.8 63.7 61.7 24.5 27.0
10 5.7 67.3 65.3 61.6 59.6 25.0 27.0
16 7.2 64.3 62.3 57.0 55.0 25.0 27.0
20 8.1 62.8 60.8 54.7 52.7 25.0 27.0
25 9.1 61.3 59.3 52.3 50.3 25.0 27.0
31.25 10.2 59.9 57.9 49.7 47.7 25.0 27.0
62.5 14.7 55.4 53.4 40.7 38.7 25.0 27.0
100 18.9 52.3 50.3 33.4 31.4 25.0 27.0
155 23.9 49.5 47.5 25.5 23.5 22.8 24.7
200 27.5 47.8 45.8 20.3 18.3 21.7 23.4
250 31.2 46.3 44.3 15.2 13.2 20.5 22.2
300 34.5 43.2 41.2 10.6 8.6 20.2 21.2
310 35.2 42.9 40.9 9.8 7.8 20.1 21.1
350 37.7 42.2 40.2 6.5 4.5 19.8 20.4
400 40.6 41.3 39.3 2.6 0.6 19.5 19.7
450 43.5 40.5 38.5 2.1 0.10 18.9 19.1
460 44.0 38.4 0 0 18.8 19.0
500 46.2 39.8 37.8

18.4 18.5
550 48.8 39.2 37.2

18.0 18.0
600 51.4 38.6 36.6

17.6 17.6

Premise Cable Electricals Table 2

Frequency (MHz) Input (Unfitted) Impedance (Ohms) Fitted Impedance
(Ohms)
Min. ELFEXT (dB) Min. PSELFEXT (dB)
1 100 ± 12 100 ± 15 73.8 70.8
4 100 ± 12 100 ± 10.4 61.8 58.8
8 100 ± 12 100 ± 8 55.7 52.7
10 100 ± 12 100 ± 7.3 53.8 50.8
16 100 ± 12 100 ± 5.7 49.7 46.7
20 100 ± 12 100 ± 5 47.8 44.8
25 100 ± 15 100 ± 5 45.8 42.8
31.25 100 ± 15 100 ± 5 43.9 40.9
62.5 100 ± 15 100 ± 5 37.9 34.9
100 100 ± 15 100 ± 5 33.8 30.8
155 100 ± 15 100 ± 5 30.0 27.0
200 100 ± 15 100 ± 5 27.8 24.8
250 100 ± 20 100 ± 5 25.8 22.8
300 100 ± 20 100 ± 5 24.3 21.3
310 100 ± 20 100 ± 5 24.0 21.0
350 100 ± 22 100 ± 5 22.9 19.9
400 100 ± 22 100 ± 5 21.8 18.8
450 100 ± 22 100 ± 5 20.7 17.7
460 100 ± 22 100 ± 5 20.5 17.5
500 100 ± 22 100 ± 5 19.8 16.8
550 100 ± 22 100 ± 5 19.0 16.0
600 100 ± 22 100 ± 5 18.2 15.2

Cable Ordering Information

Item Description Put-Up (ft.) Ship Weight (lbs.) Jacket Color
7851A 0021000 4 PR #23 PP FRPVC 1000 40 Red
7851A 002A1000 4 PR #23 PP FRPVC A1000 41 Red
7851A 0031000 4 PR #23 PP FRPVC 1000 40 Orange
7851A 003A1000 4 PR #23 PP FRPVC A1000 41 Orange
7851A 0041000 4 PR #23 PP FRPVC 1000 40 Yellow
7851A 004A1000 4 PR #23 PP FRPVC A1000 41 Yellow
7851A 0051000 4 PR #23 PP FRPVC 1000 40 Dark Green
7851A 005A1000 4 PR #23 PP FRPVC A1000 41 Dark Green
7851A 0061000 4 PR #23 PP FRPVC 1000 40 Light Blue
7851A 006A1000 4 PR #23 PP FRPVC A1000 41 Light Blue
7851A 0091000 4 PR #23 PP FRPVC 1000 40 White
7851A 009A1000 4 PR #23 PP FRPVC A1000 41 White
7851A 0101000 4 PR #23 PP FRPVC 1000 40 Black
7851A 010A1000 4 PR #23 PP FRPVC A1000 41 Black
7851A F6H1000 4 PR #23 PP FRPVC 1000 40 Grey, Dark Pearl
7851A F6HA1000 4 PR #23 PP FRPVC A1000 41 Grey, Dark Pearl

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