Transcript
Independent Testing - For End User Confidence
ELECTRICAL TRANSMISSION PERFORMANCE TESTING OF TELEBOX UNSCREENED CLASS E / CATEGORY 6 PERMANENT LINK ACCORDING TO REQUIREMENTS OF 2ND EDITION ISO/IEC 11801, CENELEC EN 50173-1 AND ANSI/TIA/EIA-568-B.2-1
Cable and Connecting Hardware from Telebox Industries Corporation: Unscreened Horisontal Cable, P/N TP9800X Unscreened Wall Outlet with Keystone Jack, P/N TA8668UX-XX Unscreened Patch Panel, P/N LP246UXX
Prepared by Jesper B. Hansen
Project No. 103684
2003.04.24
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TABLE OF CONTENTS
PAGE
1.
IDENTIFICATION
3
2.
SURVEY OVER THE WORK
4
3.
APPLIED SPECIFICATIONS
6
3.1 Electrical Transmission 3.2 Safety
6 6
CONDITIONS OF TESTING
7
4.1 Identification of Permanent Link 4.2 Assembly of Permanent Link 4.3 Electrical Measurements
7 7 8
4.
5.
SUMMARIZED TEST RESULTS
10
5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.8 5.9 5.10 5.11 5.12 5.13 5.14
10 10 11 12 14 15 16 16 17 17 18 19 19 20
Nominal Impedance Return Loss Attenuation Near End Crosstalk Attenuation to Crosstalk Ratio (ACR) Equal Level Far End Crosstalk (ELFEXT) DC Loop Resistance DC Resistance Unbalance Current Carrying Capacity Propagation Delay Delay Skew Electromagnetic Performance Longitudinal to Differential Conversion Loss (Balance) Wire Map
6.
CONCLUSION
21
7.
APPENDIX: Test Data Sheets
23
3P Project No. 103684
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1.
IDENTIFICATION
Project No.:
103684
Subject:
Electrical Transmission Performance Testing of Telebox Unscreened Class E / Category 6 Permanent Link according to Requirements of 2nd Edition ISO/IEC 11801, CENELEC EN 50173-1 and ANSI/TIA/EIA-568-B.2-1
Identification of Permanent Link: • • • •
Unscreened Wall Outlet with Keystone Jack, P/N TA8668UX-XX Unscreened 24 Port Patch Panel, P/N LP246UXX Unscreened Horisontal Cable, P/N TP9800X Cat 6 RJ 45 Plug, P/N TA5708
Supplier:
Telebox Industries Corporation 4F, No. 306,Sec. 1, Ta-Tung Road Hsi Chih Chen Taipei Hsien Taiwan, R.O.C.
Prepared by:
3P Third Party Testing Agern Allé 3 DK-2970 Hoersholm Denmark Email: Phone: Fax: Homepage:
Author:
3P Project No. 103684
[email protected] + 45 45572200 + 45 45765708 http://www.3Ptest.dk
Jesper B. Hansen
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2.
SURVEY OF THE WORK
3P has performed testing of a Telebox permanent link according to Class E / Category 6 requirements. The permanent link is constructed using unscreened horisontal cable connected with unscreened RJ 45 connecting hardware. Testing was carried out under laboratory conditions at 3P in April 2003. The applied permanent link configuration is according to definition in ISO/IEC 11801, CENELEC EN 50173-1 and ANSI/TIA/EIA-568-B.1. No consolidation point and the specified maximum horisontal cable length is applied. Furthermore, it has been verified that the performance of a short permanent link consisting of 30 metres of horisontal cable also complies with the requirements. This additional testing concerns the critical noise parameters of return loss, and pair-pair and power sum near end crosstalk. One permanent link sample was subjected to a complete permanent link test programme according to Class E requirements of the 2nd edition ISO/IEC 11801 and the CENELEC EN 50173-1 standards, and Category 6 requirements of the ANSI/TIA/EIA-568-B.2-1 specification. The permanent link was assembled by 3P and consisted of: • Cat 6 RJ 45 plug • Unscreened Wall outlet with Keystone Jack • 90 metres of unscreened horisontal cable with LS0H sheath • Unscreened 24 port patch panel • Cat 6 RJ 45 plug The electrical performance of the horisontal cable, keystone jack and patch panel of the permanent link has been manufacturer verified. The overall result of the testing is that the tested Telebox permanent link in every respect complies with the Class E / Category 6 requirements.
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3P can therefore recommend the Telebox permanent link, consisting of a combination of the following cable and connecting hardware: • Unscreened Horisontal Cable from Telebox,
P/N TP9800X
• Unscreened Keystone Jack from Telebox,
P/N TA8668UX-XX
• Unscreened 24 Port Patch Panel from Telebox,
P/N LP246UXX
• Cat 6 RJ 45 Plug from Telebox,
P/N TA5708
for unscreened Class E / Category 6 installations. The general recommendation of the Telebox permanent link for unscreened Class E / Category 6 installations is made on the premise that all connecting hardware and cable have and maintain a quality and performance level corresponding to the ones of the components of the presently tested permanent link, are correctly terminated according to the Telebox instructions, and are installed using proper workmanship in compliance with all specified and relevant installation guidelines.
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3.
APPLIED SPECIFICATIONS
3.1 Electrical Transmission The following specifications have been verified by 3P for the permanent link testing, and the connecting hardware and horisontal cable qualifications: Permanent Link Testing: • ISO/IEC 2nd Edition Generic Cabling Standard 11801, Class E • CENELEC Generic Cabling Standard EN 50173-1, Class E • ANSI/TIA/EIA Generic Cabling Standard 568-B.2-1, Cat. 6 Connecting Hardware Testing: The performance of the connecting hardware has been manufacturer verified. Horisontal Cable Testing: The performance of the horisontal cable has been manufacturer verified. 3.2 Safety Safety requirements for the horisontal cable have been manufacturer verified.
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4.
CONDITIONS OF TESTING
4.1 Identification of the Permanent Link The applied permanent link configuration is shown in figure 4.1 and is according to definition in ISO/IEC 11801, CENELEC EN 50173-1, and ANSI/TIA/EIA-568-B.1. No consolidation point and the specified maximum horisontal cable length is applied.
Figur 4.1 Applied Permanent Link Configuration One permanent link sample was included in the testing. The permanent link testing covers the following horisontal cable and connecting hardware, which has been manufacturer verified: • Cat 6 RJ 45 plug • Wall outlet with Keystone Jack • 90 metres of unscreened horisontal cable with LS0H sheath • Unscreened 24 Port patch panel Furthermore, additional testing of return loss, and pair-pair and power sum near end crosstalk has been carried out on a short permanent link consisting of 30 metres of horisontal cable. The connecting hardware was assembled with colour coding of pairs according to designation T568B of ANSI/TIA/EIA-568-B.1. 4.2 Assembly of Permanent Link The assembly of the permanent link has been performed by 3P.
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4.3 Electrical Measurements The following electrical parameters have been measured for all pairs or combinations of pairs of the permanent link: • Return loss from 1 - 250 MHz, measured from both ends of the permanent link • Attenuation from 1- 250 MHz • Pair - pair near end crosstalk from 1 - 250 MHz, measured from both ends of the permanent link • Power sum near end crosstalk from 1 - 250 MHz, measured from both ends of the permanent link • Pair - pair attenuation to crosstalk ratio (ACR) from 1 - 250 MHz, measured from both ends of the permanent link • Power sum attenuation to crosstalk ratio (PS-ACR) from 1 - 250 MHz, measured from both ends of the permanent link • Pair - pair equal level far end crosstalk from 1 - 250 Mhz, measured for all 2×6 combinations of pairs • Power sum equal level far end crosstalk from 1 - 250 MHz, measured for all 2×4 pairs • DC loop resistance • DC resistance unbalance • Current carrying capacity • Propagation delay from 1 - 250 MHz • Delay skew from 1 - 250 MHz • Longitudinal to differential conversion loss (balance) measured as LCL at 100 kHz and from 1 - 250 MHz from both ends of the permanent link • Longitudinal to differential conversion loss (balance) measured as LCTL at 100 kHz, 1 MHz and 10 MHz from both ends of the permanent link • Wire map
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The following instruments were applied for the electrical measurements of the permanent link: • HP Network Analyzer, type 8753D with internal S-parameter Test Set • HP Network Analyzer, type 8753ES with internal S-parameter Test Set • North Hills Baluns, types 0320BF and 0322BF • BH Electronics Baluns, type 040-0093 • 3P Baluns, type 3P-250-Cat6-C • HP LCR Meter, type 4263A
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5.
SUMMARIZED TEST RESULTS
Summarized test results are presented in the following clauses, while recordings of electrical performance versus frequency are found in the appendix. The tables in the present section generally inform about the headroom to a specified worst case limiting function which is specified under the table concerned. The various recordings of electrical performance versus frequency in the appendix contains, in red colour, the limiting function specified for the parameter in question. 3P has performed testing according to Class E / Category 6 requirements (to 250 MHz). The permanent link is constructed according to the two connector model using unscreened horisontal cable and unscreened RJ 45 connecting hardware. 5.1 Nominal Impedance Nominal impedance has been specified as 100 Ω. Consequently the return loss measurements have been performed using a 100 Ω end termination. CENELEC EN 50173-1 and ISO/IEC 11801 specify that the nominal impedance is a design value which is not intended for testing. Return loss is the relevant parameter applied for testing of reflections caused by characteristic impedance variations in cables, return loss of connectors and mismatch of impedances of the cables of links and channels. The results of the return loss measurements are presented in clause 5.2. 5.2 Return Loss Summarized results of the testing are found in table 5.2, and include all four tested pairs measured from both ends of the permanent link. Recordings of return loss versus frequency from both ends of the permanent link are found in pages 24 and 25 of the appendix.
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Table 5.2 Summarized Results of Return Loss Measurements from 1 MHz to 250 MHz PAIR
1/2 3/6 4/5 7/8 1
RETURN LOSS MARGIN TO LIMIT1 (dB) Wall Outlet
Patch Panel
3,8 5,7 5,3 3,6
3,9 5,0 4,6 2,9
: Return Loss requirements are defined by the function: 1 MHz - 40 MHz: 26- 5log(f) dB 40 MHz - 250 MHz: 34-10log(f) dB, where f is frequency in MHz. Calculated requirements below 21,0 dB are equaled to this value.
It is concluded from table 5.2 and return loss recordings in pages 23 and 24 that return loss complies with the specified Class E / Category 6 requirements in the complete frequency range from 1 MHz to 250 MHz seen from both ends of the permanent link. Furthermore, it has been verified that the return loss performance of a short permanent link consisting of 30 metres of horisontal cable also complies with the specified Class E / Category 6 requirements. 5.3 Attenuation Summarized results of the testing are found in tables 5.3.1 and 5.3.2, and include all four tested pairs measured from one end of the permanent link. Table 5.3.1 presents measured values at specific selected key frequencies while table 5.3.2 gives the worst case margin to limit (in pct.). Tables 5.3.1 and 5.3.2, and the attenuation recordings in page 25 are making reference to the attenuation limits at the nominal temperature of 20°C. However, due to temperature variations at the laboratory facilities the actually applied test temperature was 23°C. A degradation of attenuation with temperature must always be accommodated for by the design of the installation, for instance by making a total cable length reduction taking into account the temperature effects on the cable attenuation at the highest temperature for which the installation is intended to run. The degradation of attenuation with temperature of unscreened Category 6 cables is in international standards specified to be max. 0,4 %/°C between 20°C and 40°C and max. 0,6 %/°C between 40°C and 60°C. However, since large variations in temperature dependence of unscreened cable attenuation exists on the market it is generally advised to seek product specific information from the unscreened cable supplier. If the specified values are assumed to apply for the cable of the presently tested permanent link then no cabling design modification is necessary below 47°C. Over this temperature a worst case reduction of the maximum allowed horisontal cable length by 0,63 m/°C will secure safe running of the presently tested permanent link at any higher temperature. This means at 60°C, for instance, that a reduction of the totally allowed maximum horisontal cable length by 7 metres or
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more will be a convenient way to avoid temperature problems for an installation using the tested permanent link (with reservation for actual temperature performance of attenuation). Table 5.3.1 Results of Attenuation Measurements from 1 MHz to 250 MHz PAIR
MAX. ATTENUATION (dB) 1 MHz
4 MHz
10 MHz
100 MHz
200 MHz
250 MHz
1/2 3/6 4/5 7/8
1,5 1,6 1,6 1,5
2,9 3,0 3,1 2,9
4,6 4,8 4,8 4,6
15,6 16,1 16,2 15,5
22,6 23,2 23,6 22,5
25,6 26,5 26,6 25,4
Specified
1,9
3,5
5,5
18,3
26,8
30,3
Table 5.3.2 Summarized Results of Attenuation Measurements from 1 MHz to 250 MHz PAIR
ATTENUATION MARGIN TO LIMIT1 (%)
1/2 3/6 4/5 7/8
14,6 10,6 11,3 14,8
1
: Attenuation requirements are defined by the function: 1 - 5 MHz: 1,687
+ 0,0153·f +
+ 0,00015·f1,5 dB
5 - 250 MHz: 1,678
+ 0,0152·f +
dB,
where f is frequency in MHz.
It is concluded from tables 5.3.1 and 5.3.2 and attenuation recordings in page 25 that attenuation complies with the specified Class E / Category 6 requirements in the complete frequency range from 1 MHz to 250 MHz. 5.4 Near End Crosstalk Summarized results of the testing are found in tables 5.4.1 and 5.4.2 for pair-pair near end crosstalk and power sum near end crosstalk, respectively, and include all combinations of the four tested pairs and all four tested pairs measured from both ends of the permanent link. Recordings of both pair-pair and power sum near end crosstalk versus frequency from both ends of the permanent link are found in pages 26 - 27 and pages 28 - 29 of the appendix.
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Table 5.4.1 Summarized Results of Pair - Pair Near End Crosstalk Measurements from 1 MHz to 250 MHz COMBINATION OF PAIRS
PAIR - PAIR NEXT MARGIN TO LIMIT1 (dB) Wall Outlet
Patch Panel
8,3 8,2 6,6 7,9 6,9 8,3
7,2 10,0 18,9 2,2 11,7 6,8
1/2 - 3/6 1/2 - 4/5 1/2 - 7/8 3/6 - 4/5 3/6 - 7/8 4/5 - 7/8 1
: Pair - Pair NEXT requirements are defined by the function: -20log(10
(-3,715+0,75log(f))
+ 10
(-4,700 + log(f))
) dB,
where f is frequency in MHz. Calculated requirements more strict than 65,0 dB are equaled to this value.
Table 5.4.2 Summarized Results of Power Sum Near End Crosstalk Measurements from 1 MHz to 250 MHz PAIR
POWER SUM NEXT MARGIN TO LIMIT1 (dB) Wall Outlet
Patch Panel
5,9 7,4 7,9 5,8
8,3 4,3 3,5 8,7
1/2 3/6 4/5 7/8 1
: Power Sum NEXT requirements are defined by the function: -20log(10
(-3,615+0,75log(f))
+ 10
(-4,500 + log(f))
) dB,
where f is frequency in MHz. Calculated requirements more strict than 62,0 dB are equaled to this value.
It is concluded from table 5.4.1 and pair - pair near end crosstalk recordings in pages 26 and 27 that pair - pair near end crosstalk complies with the specified Class E / Category 6 requirements in the complete frequency range from 1 MHz to 250 MHz seen from both ends of the permanent link. Furthermore, it has been verified that the pair - pair near end crosstalk performance of a short permanent link consisting of 30 metres of horisontal cable also complies with the specified Class E / Category 6 requirements. It is concluded from table 5.4.2 and power sum near end crosstalk recordings in pages 28 and 29 that power sum near end crosstalk complies with the specified Class E / Category 6 requirements
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in the complete frequency range from 1 MHz to 250 MHz seen from both ends of the permanent link. Furthermore, it has been verified that the power sum near end crosstalk performance of a short permanent link consisting of 30 metres of horisontal cable also complies with the specified Class E / Category 6 requirements. 5.5 Attenuation to Crosstalk Ratio (ACR) Summarized results of the testing are found in table 5.5, and include all four pairs measured as both pair - pair ACR and power sum ACR from both ends of the permanent link. Recordings of both pair-pair and power sum ACR versus frequency from both ends of the permanent link are found in the appendix. Table 5.5 Summarized Results of ACR Measurements from 1 MHz to 250 MHz PAIR
ACR MARGIN TO LIMIT (dB) Pair - Pair1
1/2 3/6 4/5 7/8
Power Sum2
Wall Outlet
Patch Panel
Wall Outlet
Patch Panel
10,7 10,3 10,0 10,8
9,0 6,1 6,0 11,7
10,6 11,0 11,0 10,7
10,2 8,2 7,3 13,6
1
: Pair - Pair ACR requirements are defined by the function: Pair-Pair NEXT - Attenuation (dB), where f is frequency in MHz. : Power Sum ACR requirements are defined by the function:
2
Power Sum NEXT - Attenuation (dB), where f is frequency in MHz.
It is concluded from table 5.5 and pair - pair ACR recordings in pages 30 and 31 that pair - pair ACR complies with the specified Class E / Category 6 requirements in the complete frequency range from 1 MHz to 250 MHz seen from both ends of the permanent link. It is concluded from table 5.5 and power sum ACR recordings in pages 32 and 33 that power sum ACR complies with the specified Class E / Category 6 requirements in the complete frequency range from 1 MHz to 250 MHz seen from both ends of the permanent link.
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5.6 Equal Level Far End Crosstalk (ELFEXT) Summarized results of the testing are found in tables 5.6.1 and 5.6.2 for pair-pair equal level far end crosstalk and power sum equal level far end crosstalk, respectively, and include all 2×6 combinations the four tested pairs and 2×4 tested pairs. For each of the six pair combinations measurements are carried out with transmission on one pair and receiving on the other followed by measurement after interchanging transmitting and receiving pairs. The recordings of each of these two possible pairs for transmission are found in the appendix. Table 5.6.1 Summarized Results of Pair - Pair Equal Level Far End Crosstalk Measurements from 1 MHz to 250 MHz COMBINATION OF PAIRS
PAIR - PAIR ELFEXT MARGIN TO LIMIT1 (dB) Transmitting on First Pair
Transmitting on Second Pair
8,5 20,9 26,6 18,2 13,5 16,6
8,4 20,0 28,5 16,4 12,9 18,4
1/2 - 3/6 1/2 - 4/5 1/2 - 7/8 3/6 - 4/5 3/6 - 7/8 4/5 - 7/8 1
: Pair - Pair ELFEXT requirements are defined by the function: -20log(10
(-3,390+log(f))
+ 2·10
(-4,155 + log(f))
) dB,
where f is frequency in MHz.
Table 5.6.2 Summarized Results of Power Sum Equal Level Far End Crosstalk Measurements from 1 MHz to 250 MHz PAIR
POWER SUM ELFEXT MARGIN TO LIMIT1 (dB) Transmitting on the Pair
Receiving on the Pair
11,4 10,3 16,9 15,9
11,3 10,0 16,8 15,2
1/2 3/6 4/5 7/8 1
: Power Sum ELFEXT requirements are defined by the function: -20log(10
(-3,240+ log(f))
+ 2·10
(-4,005 + log(f))
) dB,
where f is frequency in MHz.
It is concluded from table 5.6.1 and pair - pair equal level far end crosstalk recordings in pages 34
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and 35 that pair - pair equal level far end crosstalk complies with the specified Class E / Category 6 requirements in the complete frequency range from 1 MHz to 250 MHz for all 2×6 combinations of the four tested pairs. It is concluded from table 5.6.2 and power sum equal level far end crosstalk recordings in pages 36 and 37 that power sum equal level far end crosstalk complies with the specified Class E / Category 6 requirements in the complete frequency range from 1 MHz to 250 MHz for all 2×4 tested pairs. 5.7 DC Loop Resistance Results of the testing are found in table 5.7, and include all four tested pairs measured from one end of the permanent link. The measurement of DC loop resistance is carried out at room ambient temperature and results are equalled to 20°C by calculation. A degradation of DC loop resistance with temperature must always be accommodated for by the design of the installation, for instance by making a total cable length reduction taking into account the temperature effects on the DC loop resistance at the highest temperature for which the installation is intended to run. The worst case temperature effect can be expected to be 0,4 %/°C. For the permanent link in question no cabling design modification will in reality be required from temperature degradation of DC loop resistance due to its very large headroom to the limit. Design reductions imposed by temperature degradation of attenuation are discussed in clause 5.3. Table 5.7 Results of DC Loop Resistance Measurements PAIR
1/2 3/6 4/5 7/8
DC LOOP RESISTANCE (Ω) Measured
Specified
12,2 12,5 12,6 12,3
Max. 20,6 Max. 20,6 Max. 20,6 Max. 20,6
It is concluded from table 5.7 that DC loop resistance complies with the specified Class E / Category 6 requirements. 5.8 DC Resistance Unbalance Results of the testing are found in table 5.8, and include all 8 tested conductors measured from one end of the permanent link.
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Table 5.8 Results of DC Resistance Unbalance Measurements CONDUCTIVE PATH
DC RESISTANCE UNBALANCE Measured Resistance (Ω)
Conductor Resistance Unbalance (Ω)
Pair Resistance Unbalance (%)
1 2 3 6 4 5 7 8
6,1 6,1 6,2 6,2 6,3 6,3 6,1 6,2
0,2 0,2 0,1 0,2 0,2 0,2 0,2 0,1
0,5
Specified
-
-
Max. 3,0
0,2 0,1 0,2
It is concluded from table 5.8 that DC resistance unbalance complies with the specified Class E / Category 6 requirements. 5.9 Current Carrying Capacity Current carrying capacity has been measured by subjecting each conductor to a simultaneous exposure of 0,175 A at 60°C for 30 minutes. Continuity of conductor paths was maintained. No degradation of cable or connecting hardware was observed after the testing. It is concluded that current carrying capacity complies with the specified Class E / Category 6 requirements. 5.10 Propagation Delay Summarized results of the testing are found in table 5.10, and include all four tested pairs measured from one end of the permanent link. Recordings of propagation delay versus frequency are found in the appendix.
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Table 5.10 Summarized Results of Propagation Delay Measurements from 1 MHz to 250 MHz PAIR
PROPAGATION DELAY MARGIN TO LIMIT1 (nsec)
1/2 3/6 4/5 7/8
63 53 52 65
1
: Propagation Delay requirements are defined by the function: 486 +
nsec,
where f is frequency in MHz.
It is concluded from table 5.10 and the propagation delay recordings in page 38 that propagation delay complies with the specified Class E / Category 6 requirements in the complete frequency range from 1 MHz to 250 MHz. 5.11 Delay Skew Summarized results of the testing are found in table 5.11, and include all combinations of the four tested pairs measured from one end of the permanent link. Recordings of delay skew versus frequency are found in the appendix. Table 5.11 Summarized Results of Delay Skew Measurements from 1 MHz to 250 MHz COMBINATION OF PAIRS
DELAY SKEW (nsec)
1/2 - 3/6 1/2 - 4/5 1/2 - 7/8 3/6 - 4/5 3/6 - 7/8 4/5 - 7/8
Max. 10 Max. 12 Max. 2 Max. 2 Max. 12 Max. 14
Specified
Max. 43
It is concluded from table 5.11 and the delay skew recordings in page 39 that delay skew complies with the specified Class E / Category 6 requirements in the complete frequency range from 1 MHz to 250 MHz.
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5.12 Electromagnetic Performance Electromagnetic performance of permanent links and channels can be measured as coupling attenuation, and this test method is presently under development and discussion in standardisation committees. Coupling attenuation is formed by the sum of balance and, in case of screened cabling, of screening attenuation. Balance requirements have been successfully passed by the present permanent link testing as concluded in clause 5.13. Electromagnetic performance recorded as the worst case coupling attenuation value for any component and connection point of the permanent link has not been included in the present test programme. 5.13 Longitudinal to Differential Conversion Loss (Balance) Summarized results of the testing are found in tables 5.13.1 and 5.13.2 for balance measured as LCL and LCTL, respectively, and include all four tested pairs measured from both ends of the permanent link. Recordings of LCL versus frequency from both ends of the permanent link are found in the appendix. Table 5.13.1 Summarized Results of Balance (LCL) Measurements from 100 kHz to 250 MHz PAIR
BALANCE AS LCL (dB) Wall Outlet
1
100 kHz
1 MHz
10 MHz
1/2 3/6 4/5 7/8
69 81 84 79
65 92 71 70
59 67 66 64
Specified
45
40
30
Patch Panel 100 kHz
1 MHz
10 MHz
Margin to limit1
13,8 15,1 14,8 11,1
69 82 80 76
68 81 71 73
60 68 62 65
11,8 13,4 9,3 8,9
0,0
45
40
30
0,0
Margin to limit1
: Requirements to Balance, measured as LCL, are defined by the function: 50 - 10log(f) dB, where f is frequency in MHz.
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Table 5.13.2 Results of Balance (LCTL) Measurements from 100 kHz to 10 MHz PAIR
BALANCE AS LCTL (dB) Wall Outlet
Patch Panel
100 kHz
1 MHz
10 MHz
100 kHz
1 MHz
10 MHz
1/2 3/6 4/5 7/8
80 80 85 75
72 74 68 61
55 60 53 45
82 80 80 80
71 73 68 61
56 58 52 45
Specified
45
40
30
45
40
30
It is concluded from tables 5.13.1 and 5.13.2 and the LCL recordings in pages 40 and 41 that the longitudinal to differential conversion loss (balance) measured as LCL and LCTL complies with the specified Class E / Category 6 requirements seen from both ends of the permanent link. 5.14 Wire Map Wire map of the permanent link has been measured using a conventional field tester. The permanent link has correct termination of wires.
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6.
CONCLUSION
Electrical transmission performance testing of a Telebox permanent link consisting of
• Cat 6 RJ 45 plug • Unscreened Wall outlet with Keystone Jack • 90 metres of unscreened horisontal cable with LS0H sheath • Unscreened 24 port patch panel • Cat 6 RJ 45 plug
has in every respect shown compliance with the Class E / Category 6 requirements. Furthermore, it has been verified that the performance of a short permanent link consisting of 30 metres of horisontal cable also complies with the requirements. This additional testing concerns the critical noise parameters of return loss, and pair-pair and power sum near end crosstalk. The electrical performance of the horisontal cable, keystone jack and patch panel of the permanent link has been manufacturer verified.
3P can therefore recommend the Telebox permanent link, consisting of a combination of the following cable and connecting hardware:
• Unscreened Horisontal Cable from Telebox,
P/N TP9800X
• Unscreened Keystone Jack from Telebox,
P/N TA8668UX-XX
• Unscreened 24 Port Patch Panel from Telebox,
P/N LP246UXX
• Cat 6 RJ 45 Plug from Telebox,
P/N TA5708
for unscreened Class E / Category 6 installations. The general recommendation of the Telebox permanent link for unscreened Class E / Category 6 installations is made on the premise that all connecting hardware and cable have and maintain a quality and performance level corresponding to the ones of the components of the presently tested permanent link, are correctly terminated according to the Telebox instructions, and are installed using proper workmanship in compliance with all specified and relevant installation guidelines.
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7.
APPENDIX: Test Data Sheets
Test record sheets for all pairs or pair combinations from the permanent link testing are found in the following pages: Pages 23 - 24 Recordings of return loss from 1 MHz to 250 MHz. Recordings are included from both wall outlet and patch panel ends. Page 25
Recordings of attenuation from 1 MHz to 250 MHz.
Pages 26 - 27 Recordings of pair - pair near end crosstalk from 1 MHz to 250 MHz. Recordings are included from both wall outlet and patch panel ends. Pages 28 - 29 Recordings of power sum near end crosstalk from 1 MHz to 250 MHz. Recordings are included from both wall outlet and patch panel ends. Pages 30 - 31 Recordings of pair - pair attenuation to crosstalk ratio (ACR) from 1 MHz to 250 MHz. Recordings are included from both wall outlet and patch panel ends. Pages 32 - 33 Recordings of power sum attenuation to crosstalk ratio (PS-ACR) from 1 MHz to 250 MHz. Recordings are included from both wall outlet and patch panel ends. Pages 34 - 35 Recordings of pair-pair equal level far end crosstalk from 1 MHz to 250 MHz. Recordings are included for transmission on each of the two pairs of all pair combinations. Pages 36 - 37 Recordings of power sum equal level far end crosstalk from 1 MHz to 250 MHz. Recordings are included for both transmission and receiving on each pair. Page 38
Recordings of propagation delay from 1 MHz to 250 MHz.
Page 39
Recordings of delay skew from 1 MHz to 250 MHz.
Pages 40 - 41 Recordings of balance measured as LCL from 1 MHz to 250 MHz. Recordings are included from both wall outlet and patch panel ends.
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0 dB
Recordings of Return Loss for all four pairs from 1 MHz to 250 MHz measured from wall outlet end.
Date:
2003.04.14
Blue pair: Orange pair: Green pair: Brown pair:
20
Pos. Pos. Pos. Pos.
4/5 1/2 3/6 7/8
Limiting function: Class E / Category 6 limit: The Return Loss for all four pairs measured from wall outlet end complies with the specified Class E / Category 6 limit in the complete frequency range from 1 MHz to 250 MHz.
40
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60
80
50
100
150
200
250 MHz
Page 23 of 41
100 dB 0 MHz
0 dB
Recordings of Return Loss for all four pairs from 1 MHz to 250 MHz measured from patch panel end.
Date:
2003.04.14
Blue pair: Orange pair: Green pair: Brown pair:
20
Pos. Pos. Pos. Pos.
4/5 1/2 3/6 7/8
Limiting function: Class E / Category 6 limit: The Return Loss for all four pairs measured from patch panel end complies with the specified Class E / Category 6 limit in the complete frequency range from 1 MHz to 250 MHz.
40
3P Project No. 103684
60
80
50
100
150
200
250 MHz
Page 24 of 41
100 dB 0 MHz
0 dB
Recordings of Attenuation for all four pairs from 1 MHz to 250 MHz.
Date:
2003.04.14
Blue pair: Orange pair: Green pair: Brown pair:
10
Pos. Pos. Pos. Pos.
4/5 1/2 3/6 7/8
Limiting function: Class E / Category 6 limit: The Attenuation for all four pairs complies with the specified Class E / Category 6 limit in the complete frequency range from 1 MHz to 250 MHz.
20
3P Project No. 103684
30
40
50
100
150
200
250 MHz
Page 25 of 41
50 dB 0 MHz
0 dB
Recordings of Near End Crosstalk for all six pair combinations from 1 MHz to 250 MHz measured from wall outlet end.
Date:
2003.04.14
Blue/orange pairs: Blue/green pairs: Blue/brown pairs: Orange/green pairs: Orange/brown pairs: Green/brown pairs:
20
4/5 – 1/2 4/5 – 3/6 4/5 – 7/8 1/2 – 3/6 1/2 – 7/8 3/6 – 7/8
Limiting function: Class E / Category 6 limit:
40
The Near End Crosstalk for all six pair combinations measured from wall outlet end complies with the specified Class E / Category 6 limit in the complete frequency range from 1 MHz to 250 MHz. 3P Project No. 103684
60
80
50
100
150
200
250 MHz
Page 26 of 41
100 dB 0 MHz
0 dB
Recordings of Near End Crosstalk for all six pair combinations from 1 MHz to 250 MHz measured from patch panel end.
Date:
2003.04.14
Blue/orange pairs: Blue/green pairs: Blue/brown pairs: Orange/green pairs: Orange/brown pairs: Green/brown pairs:
20
4/5 – 1/2 4/5 – 3/6 4/5 – 7/8 1/2 – 3/6 1/2 – 7/8 3/6 – 7/8
Limiting function: Class E / Category 6 limit:
40
The Near End Crosstalk for all six pair combinations measured from patch panel end complies with the specified Class E / Category 6 limit in the complete frequency range from 1 MHz to 250 MHz. 3P Project No. 103684
60
80
50
100
150
200
250 MHz
Page 27 of 41
100 dB 0 MHz
0 dB
Recordings of Power Sum Near End Crosstalk for all four pairs from 1 MHz to 250 MHz measured from wall outlet end.
Date:
2003.04.14
Blue pair: Orange pair: Green pair: Brown pair:
20
Pos. Pos. Pos. Pos.
4/5 1/2 3/6 7/8
Limiting function: Class E / Category 6 limit: The Power Sum Near End Crosstalk for all four pairs measured from wall outlet end complies with the specified Class E / Category 6 limit in the complete frequency range from 1 MHz to 250 MHz.
40
3P Project No. 103684
60
80
50
100
150
200
250 MHz
Page 28 of 41
100 dB 0 MHz
0 dB
Recordings of Power Sum Near End Crosstalk for all four pairs from 1 MHz to 250 MHz measured from patch panel end.
Date:
2003.04.14
Blue pair: Orange pair: Green pair: Brown pair:
20
Pos. Pos. Pos. Pos.
4/5 1/2 3/6 7/8
Limiting function: Class E / Category 6 limit: The Power Sum Near End Crosstalk for all four pairs measured from patch panel end complies with the specified Class E / Category 6 limit in the complete frequency range from 1 MHz to 250 MHz.
40
3P Project No. 103684
60
80
50
100
150
200
250 MHz
Page 29 of 41
100 dB 0 MHz
0 dB
Recordings of Pair to Pair Attenuation to Crosstalk Ratio for all four pairs from 1 MHz to 250 MHz measured from wall outlet end.
Date:
2003.04.14
Blue pair: Orange pair: Green pair: Brown pair:
20
Pos. Pos. Pos. Pos.
4/5 1/2 3/6 7/8
Limiting function: Class E / Category 6 limit: The Pair to Pair Attenuation to Crosstalk Ratio for all four pairs measured from wall outlet end complies with the specified Class E / Category 6 limit in the complete frequency range from 1 MHz to 250 MHz.
40
3P Project No. 103684
60
80
50
100
150
200
250 MHz
Page 30 of 41
100 dB 0 MHz
0 dB
Recordings of Pair to Pair Attenuation to Crosstalk Ratio for all four pairs from 1 MHz to 250 MHz measured from patch panel end.
Date:
2003.04.14
Blue pair: Orange pair: Green pair: Brown pair:
20
Pos. Pos. Pos. Pos.
4/5 1/2 3/6 7/8
Limiting function: Class E / Category 6 limit: The Pair to Pair Attenuation to Crosstalk Ratio for all four pairs measured from patch panel end complies with the specified Class E / Category 6 limit in the complete frequency range from 1 MHz to 250 MHz.
40
3P Project No. 103684
60
80
50
100
150
200
250 MHz
Page 31 of 41
100 dB 0 MHz
0 dB
Recordings of Power Sum Attenuation to Crosstalk Ratio for all four pairs from 1 MHz to 250 MHz measured from wall outlet end.
Date:
2003.04.14
Blue pair: Orange pair: Green pair: Brown pair:
20
Pos. Pos. Pos. Pos.
4/5 1/2 3/6 7/8
Limiting function: Class E / Category 6 limit: The Power Sum Attenuation to Crosstalk Ratio for all four pairs measured from wall outlet end complies with the specified Class E / Category 6 limit in the complete frequency range from 1 MHz to 250 MHz.
40
3P Project No. 103684
60
80
50
100
150
200
250 MHz
Page 32 of 41
100 dB 0 MHz
0 dB
Recordings of Power Sum Attenuation to Crosstalk Ratio for all four pairs from 1 MHz to 250 MHz measured from patch panel end.
Date:
2003.04.14
Blue pair: Orange pair: Green pair: Brown pair:
20
Pos. Pos. Pos. Pos.
4/5 1/2 3/6 7/8
Limiting function: Class E / Category 6 limit: The Power Sum Attenuation to Crosstalk Ratio for all four pairs measured from patch panel end complies with the specified Class E / Category 6 limit in the complete frequency range from 1 MHz to 250 MHz.
40
3P Project No. 103684
60
80
50
100
150
200
250 MHz
Page 33 of 41
100 dB 0 MHz
0 dB
Recordings of Equal Level Far End Crosstalk for all six pair combinations from 1 MHz to 250 MHz with transmission on the first pair of each listed pair combination.
Date:
20
2003.04.14
Blue/orange pairs: Blue/green pairs: Blue/brown pairs: Orange/green pairs: Orange/brown pairs: Green/brown pairs:
4/5 – 1/2 4/5 – 3/6 4/5 – 7/8 1/2 – 3/6 1/2 – 7/8 3/6 – 7/8
Limiting function: Class E / Category 6 limit:
40
The Equal Level Far End Crosstalk for all six pair combinations with transmission on the first pair of each listed pair combination complies with the specified Class E / Category 6 limit in the complete frequency range from 1 MHz to 250 MHz.
60 3P Project No. 103684
80
50
100
150
200
250 MHz
Page 34 of 41
100 dB 0 MHz
0 dB
Recordings of Equal Level Far End Crosstalk for all six pair combinations from 1 MHz to 250 MHz with transmission on the second pair of each listed pair combination.
Date:
2003.04.14
20 Blue/orange pairs: Blue/green pairs: Blue/brown pairs: Orange/green pairs: Orange/brown pairs: Green/brown pairs:
4/5 – 1/2 4/5 – 3/6 4/5 – 7/8 1/2 – 3/6 1/2 – 7/8 3/6 – 7/8
Limiting function: Class E / Category 6 limit:
40
The Equal Level Far End Crosstalk for all six pair combinations with transmission on the second pair of each listed pair combination complies with the specified Class E / Category 6 limit in the complete frequency range from 1 MHz to 250 MHz.
60
3P Project No. 103684
80
50
100
150
200
250 MHz
Page 35 of 41
100 dB 0 MHz
0 dB
Recordings of Power Sum Equal Level Far End Crosstalk for all four pairs from 1 MHz to 250 MHz with transmission on the listed pairs.
Date:
20
2003.04.14
Blue pair: Orange pair: Green pair: Brown pair:
Pos. Pos. Pos. Pos.
4/5 1/2 3/6 7/8
Limiting function: Class E / Category 6 limit: The Power Sum Equal Level Far End Crosstalk for all four pairs with transmission on the listed pairs complies with the specified Class E / Category 6 limit in the complete frequency range from 1 MHz to 250 MHz.
40
3P Project No. 103684
60
80
50
100
150
200
250 MHz
Page 36 of 41
100 dB 0 MHz
0 dB
Recordings of Power Sum Equal Level Far End Crosstalk for all four pairs from 1 MHz to 250 MHz with receiving on the listed pairs.
Date:
2003.04.14
Blue pair: Orange pair: Green pair: Brown pair:
20
Pos. Pos. Pos. Pos.
4/5 1/2 3/6 7/8
Limiting function: Class E / Category 6 limit: The Power Sum Equal Level Far End Crosstalk for all four with receiving on the listed pairs complies with the specified Class E / Category 6 limit in the complete frequency range from 1 MHz to 250 MHz.
40
3P Project No. 103684
60
80
50
100
150
200
250 MHz
Page 37 of 41
100 dB 0 MHz
400 ns
Recordings of Propagation Delay for all four pairs from 1 MHz to 250 MHz.
Date:
2003.04.14
Blue pair: Orange pair: Green pair: Brown pair:
425
Pos. Pos. Pos. Pos.
4/5 1/2 3/6 7/8
Limiting function: Class E / Category 6 limit: The Propagation Delay for all four pairs complies with the specified Class E / Category 6 limit in the complete frequency range from 1 MHz to 250 MHz.
450
3P Project No. 103684
475
500
50
100
150
200
250 MHz
Page 38 of 41
525 ns 0 MHz
0 ns
Recordings of Delay Skew for all six pair combinations from 1 MHz to 250 MHz.
Date:
2003.04.14
Blue/orange pairs: Blue/green pairs: Blue/brown pairs: Orange/green pairs: Orange/brown pairs: Green/brown pairs:
10
4/5 – 1/2 4/5 – 3/6 4/5 – 7/8 1/2 – 3/6 1/2 – 7/8 3/6 – 7/8
Limiting function: Class E / Category 6 limit: The Delay Skew for all six pair combinations complies with the specified Class E / Category 6 limit in the complete frequency range from 1 MHz to 250 MHz.
20
3P Project No. 103684
30
40
0 MHz
50
100
150
200
250 MHz
Page 39 of 41
50 ns
0 dB
Recordings of Longitudinal Conversion Loss (LCL) for all four pairs from 1 MHz to 250 MHz measured from wall out-let end.
Date:
2003.04.14
Blue pair: Orange pair: Green pair: Brown pair:
20
Pos. Pos. Pos. Pos.
4/5 1/2 3/6 7/8
Limiting function: Class E / Category 6 limit: The Longitudinal Conversion Loss for all four pairs measured from wall outlet end complies with the specified Class E / Category 6 limit in the complete frequency range from 1 MHz to 250 MHz.
40
3P Project No. 103684
60
80
50
100
150
200
250 MHz
Page 40 of 41
100 dB 0 MHz
0 dB
Recordings of Longitudinal Conversion Loss (LCL) for all four pairs from 1 MHz to 250 MHz measured from patch panel end.
Date:
2003.04.14
Blue pair: Orange pair: Green pair: Brown pair:
20
Pos. Pos. Pos. Pos.
4/5 1/2 3/6 7/8
Limiting function: Class E / Category 6 limit: The Longitudinal Conversion Loss for all four pairs measured from patch panel end complies with the specified Class E / Category 6 limit in the complete frequency range from 1 MHz to 250 MHz.
40
3P Project No. 103684
60
80
50
100
150
200
250 MHz
Page 41 of 41
100 dB 0 MHz
