Data - Network Cables

Application and Construction of Category Cables for Local Area Networks and Structured Wiring System

Application

Horizontal or Building Wiring for one of the following categories of twisted pair cabling systems

Category Max. data rate Usual application Standard(s)
Cat 1 1 Mbps Analogue voice De facto, never a standard
Cat 2 4 Mbps Token ring of IBM De facto, never a standard
Cat 3 16 Mbps Voice, 10MbE(thernet) TIA/EIA 568-B
Cat 4 20 Mbps 16 Mbps Token Ring Was only a standard briefly
Cat 5 100 MHz 10/100/1000 MbE 155 Mbps ATM, 4/16 Mbps Token Ring Replaced by 5e
Cat 5e 100 MHz 10/100/1000 MbE 155 Mbps ATM, 4/16 Mbps Token Ring TIA/EIA 568-C.2
Cat 6 250 MHz as Cat5e plus 10Gb Ethernet over ≤ 55 m. TIA/EIA 568-C.2
Cat 6a 500 MHz As Cat 6 plus 10Gb Ethernet over 100 m. TIA/EIA 568-C.2
Cat 7 600 MHz As Cat 6a plus supporting 100GbE ISO/IEC 11801: 2002, category 7 / class F
Cat 7a 1000 MHz CATV (862 MHz), 40GBASE-T over 50 m. 100GbE over 15 m. ISO/IEC 11801, amendment 1 (2008) and amendment 2 (2010). Cat 7a is not recognised in TIA/EIA-569

Basic Cable Construction of the standard cables (not being patch cables)

Cat 3 Cat 5e Cat 6 Cat 6a Cat 7 Cat 7a
Type UTP UTP & FTP UTP & FTP UTP & FTP S-FTP S-FTP
Conductor Solid BC Solid BC Solid BC Solid BC Solid BC Solid BC
Insulation Polyolefin PE PE Skin-foam-skin PE Skin-foam-skin PE Skin-foam-skin PE
Cable core 6 to 200 pairs 4 pairs 4 pairs 4 pairs 4 Individually screened pairs 4 Individually screened pairs
Core wrapping yes no no no no no
Drain wire no UTP - no | FTP - yes UTP - no | FTP - yes UTP - no | FTP - Central drain wire Central drain wire Central drain wire
Overall screen no UTP - no | FTP - foil UTP - no | FTP - foil Braiding Braiding
Sheath PVC PVC or HFFR PVC or HFFR PVC or HFFR HFFR HFFR

Basic Cable Construction of the standard patch cables

Cat 5e Cat 6
Type UTP & FTP UTP & FTP
Conductor Flexible BC Flexible BC
Insulation PE PE
Cable core 4 pairs 4 pairs
Core wrapping UTP - no | FTP - yes UTP - no | FTP - yes
Drain wire (TC) UTP - no | FTP - yes UTP - no | FTP - yes
Overall screen UTP - no | FTP - foil UTP - no | FTP - foil
Rip cord yes yes
Sheath PVC or HFFR PVC or HFFR

Wire = Conductor with Insulation
Insulation: will be good strippable, suitable for insulation displacement and coloured. The colours are not interchangeable.
Pair = two twisted – colour coded – wires.

General Characteristics

Cat 3 Cat 5e Cat 6 Cat 6a Cat 7
Max. DCR conductor Ω/100m 9.6 9.38 9.38 7.7 7.7
Impedance Ω 100 100 100 100 100

Standard Colour scheme of Cat 5e – 6 – 6a and 7:

Pair number Pair 1 Pair 2 Pair 3 Pair 4
a-wire Blue Orange Green Brown
b-wire White with blue stripe White with orange stripe White with green stripe White with brown stripe

Individually screened pair (if applicable): one pair wrapped with an Aluminium/Polyester foil under which a drain wire.
Braiding (if applicable): tinned copper wires.
Ripcord: to ease removal of the sheath.
Sheath: PVC or Halogen-Free (HFFR).

Operating temperature range: -20 to +80 °C and Rated Voltage: 300 Vrms.

Non-standard cable constructions, colours, details and/or additional information are available on request.
For more details, please see the respective detailed datasheet(s).


Cat 5e and 6 UTP and FTP cables

Cat 5e cables

BTCL P/N Type Sheath Overall Diam (mm) Weight (kg/km)
BTXCM905EUN08 UTP PVC 5.0 30
BTXCM905EUZ07 UTP HFFR 5.0 29
BTXCM905EFN08 UTP PVC 6.3 42
BTXCM905EFZ07 UTP HFFR 6.3 42

Main Transmission Characteristics of Cat 5e cables

Frequency (MHz) Min. Return Loss (dB/100m) Max Attenuation (dB/100m) Min NEXT (dB) Max Time Delay (ns/100m) Min PSNEXT (dB) Min ELFEXT (dB) Min PSELFEXT (dB)
1 20.0 2.0 65.3 570.00 62.3 64.0 61.0
4 23.0 4.1 56.3 552.00 53.3 52.0 49.0
8 24.5 5.8 51.8 546.73 48.8 45.9 42.9
10 25.0 6.5 50.3 545.38 47.3 44.0 41.0
16 25.0 8.2 47.2 543.00 44.4 39.9 36.9
20 25.0 9.3 45.8 542.05 42.8 38.0 35.0
25 24.3 10.4 44.3 541.20 41.3 35.8 33.0
31.25 23.6 11.7 42.9 540.44 39.9 34.1 31.1
62.5 21.5 17.0 38.4 538.55 35.4 28.1 25.1
100 20.1 22.0 35.3 537.60 32.3 24.0 21.0

Cat 6 cables

BTCL P/N Type Sheath Overall Diam (mm) Weight (kg/km)
BTXCM906SUN08 UTP PVC 6.2 42
BTXCM906SUZ07 UTP HFFR 6.2 42
BTXCM906SFN08 FTP PVC 7.4 56
BTXCM906SFZ07 FTP HFFR 7.4 54.1

Main Transmission Characteristics of Cat 6 cables

Frequency (MHz) Min. Return Loss (dB/100m) Max Attenuation (dB/100m) Min NEXT (dB) Max Time Delay (ns/100m) Min PSNEXT (dB) Min ELFEXT (dB) Min PSELFEXT (dB)
1 20.0 2.0 74.3 570.00 72.3 67.8 64.8
4 23.0 3.8 65.3 552.00 63.3 55.8 52.8
8 24.5 5.3 60.8 546.73 58.8 49.7 46.7
10 25.0 6.0 59.3 545.38 57.3 47.8 44.8
16 25.0 7.6 56.2 543.00 54.2 43.7 40.7
20 25.0 8.5 54.8 542.05 52.8 41.8 38.8
25 24.3 9.5 53.3 541.20 51.3 39.8 36.8
31.25 23.6 10.7 51.9 540.44 49.9 37.9 34.9
62.5 21.5 15.4 47.4 538.55 45.4 31.9 28.9
100 20.1 19.8 44.3 537.60 42.3 27.8 24.8
200 18.0 29.0 39.8 536.54 37.8 21.8 18.8
250 17.3 32.8 38.3 536.27 36.3 19.8 16.8

Cat 6a U-FTP and Cat 7 S-FTP cables

Cat 6a cables

BTCL P/N Type Sheath Overall Diam (mm) Weight (kg/km)
BTXCM906AUN08 U-UTP PVC 8.3 61.2
BTXCM906AUZ07 U-UTP HFFR 7.2 49.9

Main Transmission Characteristics of Cat 6a U-FTP cables

Frequency (MHz) Return Loss (dB/100m) Attenuation (dB/100m) NEXT (dB) PSNEXT (dB/100m) ELFEXT (dB/100m) Impedance (Ohm)
1 20.0 3.7 74.3 72.3 55.9 100 ± 15
10 25.0 5.8 59.3 57.3 47.8 100 ± 15
31.25 23.6 10.4 51.9 49.9 37.9 100 ± 15
100 20.1 19.0 44.3 42.3 27.8 100 ± 15
300 17.3 34.2 37.1 35.1 18.1 100 ± 25
500 17.3 45.2 33.8 31.8 14.0 100 ± 15

Cat 7 cables

BTCL P/N Type Sheath Overall Diam (mm) Weight (kg/km)
BTXCM907SFZ07 S-FTP HFFR 7.8 67.5

Main Transmission Characteristics of Cat 7 S-FTP cables

Frequency (MHz) Return Loss (dB/100m) Attenuation (dB/100m) NEXT (dB) PSNEXT (dB/100m) ELFEXT (dB/100m) Impedance (Ohm)
1 20.0 2.5 78 75 78.0 100 ± 15
10 25.0 6.5 78 75 56.5 100 ± 15
20 25.0 8.9 78 75 56.5 100 ± 15
62.5 21.5 14.9 75.5 72.5 56.8 100 ± 15
300 14.5 35.2 65.2 62.2 25.0 100 ± 25
600 12.5 50.1 60.7 57.7 16.0 100 ± 25

Cat 7a cables

BTCL P/N Type Sheath Overall Diam (mm) Weight (kg/km)
BTXCM907AFZ07 S-FTP HFFR 8.5 71.1

Main Transmission Characteristics of Cat 7a S-FTP cables

Frequency (MHz) Return Loss (dB/100m) Attenuation (dB/100m) NEXT (dB) PSNEXT (dB/100m) ELFEXT (dB/100m) Impedance (Ohm)
4 23.0 4.0 80.0 77.0 78.0 100 ± 15
10 25.0 5.8 80.0 77.0 74.3 100 ± 15
20 25.0 8.2 80.0 77.0 71.0 100 ± 15
62.5 21.5 14.6 80.0 77.0 60.6 100 ± 15
300 17.3 32.7 71.2 68.2 38.6 100 ± 25
600 17.3 47.1 66.7 63.7 19.6 100 ± 25
900 17.3 54.9 64.9 61.9 9.93 100 ± 25
1000 16.0 61.9 63.4 60.4 1.47 100 ± 25

Cat 5e and Cat 6 UTP and FTP PATCH Cables

Cat 5e Patch cables

BTCL P/N Type Sheath Overall Diam (mm) Weight (kg/km)
C1500 UTP PVC 5.2 30.7
C1510 UTP HFFR 5.2 31.4
C1520 FTP PVC 5.1 31.2
C1530 FTP HFFR 5.1 71.1

Main Transmission Characteristics of Cat 5e Patch cables

Cat 5e – Patch UTP / FTP UTP / FTP UTP / FTP UTP / FTP UTP / FTP
Frequency (MHz) Min. Return Loss (dB/100m) UTP Max Attenuation (dB/100m) FTP Max Attenuation (dB/100m) Min NEXT (dB) Min PSNEXT (dB) Min ELFEXT (dB) Min PSELFEXT (dB)
1 20.0 2.4 3.1 65.3 62.3 63.8 60.8
4 23.0 4.9 6.1 56.3 53.3 51.8 48.8
8 24.5 6.9 8.6 51.8 48.8 45.7 42.7
10 25.0 7.8 9.7 50.3 47.3 45.7 40.8
16 25.0 9.9 12.4 47.2 44.2 39.7 36.7
20 25.0 11.1 13.9 45.8 42.8 37.8 34.8
25 24.2 12.5 15.6 44.3 41.3 35.8 32.8
31.25 23.3 14.1 17.6 42.9 39.9 33.9 30.9
62.5 20.7 20.4 25.5 38.4 35.4 27.9 24.9
100 19.0 26.4 33.0 35.3 32.3 23.8 20.8

Cat 6 Patch cables

BTCL P/N Type Sheath Overall Diam (mm) Weight (kg/km)
C1540 UTP PVC 5.9 31.6
C1550 UTP HFFR 5.9 32.4
C1560 FTP PVC 6.2 34.6
C1570 FTP HFFR 6.2 35.8

Main Transmission Characteristics of Cat 6 Patch cables

Cat 5e – Patch UTP / FTP UTP / FTP UTP / FTP UTP / FTP UTP / FTP
Frequency (MHz) Min. Return Loss (dB/100m) UTP Max Attenuation (dB/100m) FTP Max Attenuation (dB/100m) Min NEXT (dB) Min PSNEXT (dB) Min ELFEXT (dB) Min PSELFEXT (dB)
1 20.0 2.4 3.1 74.3 72.3 67.8 64.8
4 23.0 4.6 6.1 65.3 63.3 56.0 53.0
10 25.0 7.2 8.6 59.3 57.3 48.0 45.0
16 25.0 9.1 12.4 56.2 54.2 43.9 40.9
20 25.0 10.2 13.9 54.8 52.8 42.0 39.0
31.25 23.3 12.9 17.6 51.9 49.9 38.1 35.1
62.5 20.7 18.6 25.5 47.4 45.4 32.1 29.1
100 19.0 23.9 33.0 44.3 42.3 28.0 25.0
200 16.4 35.0 48.6 39.8 37.8 22.0 19.0
250 15.5 39.4 55.3 38.3 36.3 20.0 17.0

Cat 3 multi pair Cables

Cat 3 cables

BTCL P/N No. of pairs No. Diam Conductor (mm) No. Diam Insulation (mm) No. Overall Diam (mm) Weight (kg/km)
C1031 2 0.5 0.9 3.6 16
C1266 6 0.5 0.9 5.5 39
C1267 12 0.5 0.9 7.4 73
C1032 25 0.5 0.9 11.8 154
C1033 50 0.5 0.9 15.5 280
C1034 100 0.5 0.9 21.6 530
C1268 150 0.5 0.9 26.8 800
C1269 200 0.5 0.9 29.4 1040

Electrical Characteristics Cat 3 cables at 20°

Frequency (MHz) Max. Attenuation (dB/100m) Max. NEXT (dB) Min. Return Loss (dB) Impedance (Ohm)
1 2.6 41.3 12.0 100 ± 15
4 5.6 32.3 12.0 100 ± 15
8 8.5 27.8 12.0 100 ± 15
10 9.7 26.3 12.0 100 ± 15
16 13.1 23.3 10.0 100 ± 15

Cable Make-Up Cat 3 cables

BTCL P/N C1031 C1266 C1267 C1032 C1033 C1034 C1268 C1269
No of pairs 2 6 12 25 50 150 150 200
Number of pairs per unit 25 10 25 25 25
Number of units in the centre 1 5 4 1 1
Number of units in the 1e layer 5 7

Pair Colour Code Cat 3 cables

Pair No. Pair Colours in 2-6-12 or 25 pairs cables Pair No. Pair Colours in Unit of 12 or 25 pairs Pair No. Pair Colours in Unit of 25 pairs
1 White / Blue 11 Black / Blue 21 Purple / Blue
2 White / Orange 12 Black / Orange 22 Purple / Orange
3 White / Green 13 Black / Green 23 Purple / Green
4 White / Brown 14 Black / Brown 24 Purple / Brown
5 White / Grey 15 Black / Grey 25 Purple / Grey
6 Red / Blue 16 Yellow / Blue
7 Red / Orange 17 Yellow / Orange
8 Red / Green 18 Yellow / Green
9 Red / Brown 19 Yellow / Brown
10 Red / Grey 20 Yellow / Grey

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