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Test report based on DIN EN ISO/IEC 17025

Test laboratory:

No.: P1892b-08-E

Measurements at a connecting hardware

TIA/EIA-568-B.2-1 (Addendum No.1 to TIA/EIA-568-B.2)

(June 2002)

Project number: TKMMA0208

DAT-P-184/00-01

This test report consists of 35 pages.

GHMT AG and the customers shall grant each other an unlimited right to copy and disclose

this report insofar as the measuring results and specifications published are neither modified

nor rendered incomplete. Third parties are not permitted to copy this report or excerpts thereof

nor misuse it in any other fashion without obtaining our written approval.

connecting hardware, category 6 Project no.: TKMMA0208

TIA/EIA-568-B.2-1 No.: P1892b-08-E

Test laboratory: GHMT AG, Bexbach/Germany of 35

Officialy certified test laboratory according to DIN EN ISO/IEC 17025 and member of euro

lab-Germany, inc.

Table of Contents

1 GENERAL INFORMATION ....................................................................................................... 3 1.1 Test Laboratory .............................................................................................................................. 3 1.2 Test Date ........................................................................................................................................ 3 1.3 Test Site ......................................................................................................................................... 3 1.4 Test Conducted by ......................................................................................................................... 3 1.5 Persons Present at Test .................................................................................................................. 3

2 CUSTOMER................................................................................................................................... 4 2.1 Address .......................................................................................................................................... 4 2.2 Responsible compartment .............................................................................................................. 4

3 EQUIPMENT UNDER TEST (EUT) ........................................................................................... 5 3.1 Description of the Components ..................................................................................................... 5 3.2 Component Order .......................................................................................................................... 5 3.3 Acceptance of Components ........................................................................................................... 5

4 TEST TYPE .................................................................................................................................... 6 4.1 Reference of testing ....................................................................................................................... 6 4.2 Test parameters .............................................................................................................................. 6 4.2.1 Attenuation ................................................................................................................................ 7 4.2.2 Near-End Cross-Talk (NEXT) ................................................................................................... 8 4.2.3 Power-Sum Near-End Cross-Talk (PS NEXT) .......................................................................... 9 4.2.4 Far-End Cross-Talk (FEXT) ................................................................................................... 10 4.2.5 Power-Sum Far-End Cross-Talk (PS FEXT) .......................................................................... 11 4.2.6 Return Loss ............................................................................................................................. 12 4.2.7 Delay ....................................................................................................................................... 13 4.2.8 Delay Skew .............................................................................................................................. 14 4.2.9 Transfer impedance ................................................................................................................ 15

5 RULES AND REGULATIONS .................................................................................................. 16 5.1 Rules and Regulations Applied .................................................................................................... 16 5.2 Category 6 Limits ........................................................................................................................ 16 5.3 Deviations .................................................................................................................................... 17 5.4 None-Standardized Test Procedures ............................................................................................ 17

6 TEST EQUIPMENT .................................................................................................................... 18 6.1 Measurement Uncertains ............................................................................................................. 19 6.1.1 Measurement uncertainty ZVRE ............................................................................................. 19 6.1.2 Measurement uncertainty of external measuring equipment .................................................. 20

7 SUMMARY .................................................................................................................................. 22

8 DOCUMENTATION OF MEASUREMENTS ......................................................................... 23


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lab-Germany, inc.

1 General information

1.1 Test Laboratory

GHMT AG

In der Kolling 13

D-66450 Bexbach / Germany

Phone: +49 / 6826 / 9228 - 0

Fax: +49 / 6826 / 9228 - 99

1.2 Test Date

Tested from: April 16th

2008

until: April 28th

2008

during: (23 ± 3)°C

1.3 Test Site

Accredit Test-lab of GHMT AG, Bexbach

1.4 Test Conducted by

Mr. Bernd Jung, technical assistent to the laboratory management, GHMT AG

Mr. Malte Onnenga, technical assistent to the laboratory management, GHMT AG

1.5 Persons Present at Test

Mr. Stefan Grüner, engineer, substitute to the laboratory management, GHMT AG


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2 Customer

2.1 Address

Fischer-J.W.Zander GmbH & Co. KG Rötelstrasse 38

D-74172 Neckarsulm

2.2 Responsible compartment

Fischer-J.W.Zander GmbH & Co. KG Mr. Neuner-Jehle

Rötelstrasse 38

D-74172 Neckarsulm


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3 Equipment Under Test (EUT)

3.1 Description of the Components

GHMT AG received the following components from the customer in order to conduct

the test:

Description

ZA-TEC Modul RJ45 Cat.6 shielded 10GE

Part-No.: 039836

3.2 Component Order

The components listed were delivered by the customer.

3.3 Acceptance of Components

The link components currently undergoing the test were delivered to the GHMT AG

facilities on April 16th

2008. They had no visible defects.


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4 Test Type

4.1 Reference of testing

Certification of a connecting hardware with respect to high-frequency behaviour. The

valuation of the tested parameters was performed in reference to the IEC 60603-7-5

Edition 1.0 from September 2003.

Picture 1: De-Embedded test setup from the GHMT AG

4.2 Test parameters

The following test parameters from part of the test conducted according to section 4.1

• Attenuation

• Near-end Crosstalk (NEXT)

• Far-end Crosstalk (FEXT)

• Return loss

• Delay

• Delay skew

• Tranfer Impedance


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4.2.1 Attenuation

SMZ

SMZ

Baluns

Transmitter

Receiver

A B

Pair of cores

Definition The attenuation is determined by the ratio of the power

supplied at port A and the power measured at port B.

a [dB] = 10 log P

PV

A

B

Input and output of the two-port network have to be

terminated with the line's nominal characteristic impedance

in order to avoid return loss.

Influencing

factors

The attenuation of cables is largely determined by the cross-

sectional area and the conductivity of the copper conductors.

In particular in very high frequency ranges, the dielectric

loss of the core insulation material contributes to an increase

in the attenuation in proportion to the frequency.

The attenuation depends on length, frequency and

temperature.

Meaning A low attenuation improves the transmission reliability of

the cabling link. The attenuation of cables and connecting

hardware accumulates but it is primarily determined by the

cabling.


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4.2.2 Near-End Cross-Talk (NEXT)

SMZ

SMZ

Baluns

Transmitter

Receiver

Pair of cores 1

Pair of cores 2

A

B

Zo

Zo

Definition The near-end cross-talk loss is determined by the ratio of the

power supplied at port A to the power measured at port B.

a [dB] = 10 log P

PN

A

B

The EUT has to be terminated on both ends with the

characteristic impedance. If transmitter and receiver are

positioned at the same end of the EUT, the parameter is

referred to as near-end cross-talk (NEXT).

Influencing

factors

The near-end cross-talk of cables is decisively influenced by

the stranding and the foil pair shield (if applicable).

Near-end cross-talk strongly depends on the frequency used

and – only to a minor extent – on the cabling length.

Meaning A high degree of near-end cross-talk improves transmission

reliability. The transmission reliability within the cabling

link is largely determined by the component with the lowest

degree of near-end cross-talk.


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4.2.3 Power-Sum Near-End Cross-Talk (PS NEXT)

Transmitter

Power

SplitterSUA-71

50 / 100 Ohm

SUA-7150 / 100 Ohm

SUA-7150 / 100 Ohm

100 ΩΩΩΩ

100 ΩΩΩΩ

100 ΩΩΩΩ

100 ΩΩΩΩSUA-7150 / 100 Ohm

Receiver

Definition The power sum of the near-end cross-talk is defined on the

basis of the ratio of the power input at the three pairs A, B

and C to the power output at pair D. The power-sum NEXT

value of cables can be measured by means of a phase-

correlated 4-port power splitter. On the basis of the pair-to-

pair NEXT measurements, the power sum can also be

calculated according to the following formula:

∑=

⋅3

1i

0,1-

10 log 10 = [dB] aiNEXTa

PSNEXT

Influencing

factors

The power-sum NEXT value of cables is decisively

influenced by the stranding and the foil pair shield (if

applicable). Power-sum NEXT strongly depends on the

frequency used and – only to a minor extent – on the

cabling length.

Meaning With regard to network protocols that distribute the bi-

directional data load over all four pairs, power-sum NEXT

is of great importance for transmission reliability since

power-sum cross-talk is expected to impair transmission via

the data channel.


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4.2.4 Far-End Cross-Talk (FEXT)

SUA-71 50 / 100 Ohm 100 ΩΩΩΩ

SUA-71 50 / 100 Ohm

Em

pfä

ng

er

Sen

der

Balun

Balun

100 ΩΩΩΩ

Definition The far-end cross-talk (abbr. FEXT) is determined by the

ratio of the power measured at the remote port B to the

power measured at the remote port C. The measuring signal

is supplied to the near end of the cable.

A

BFEXT

P

P log 10 = [dB] a

All pairs of the EUT are terminated with their characteristic

impedance.

Influencing

factors

The FEXT value of cables is decisively influenced by the

stranding and the foil pair shield (if applicable).

FEXT strongly depends on the frequency used.


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4.2.5 Power-Sum Far-End Cross-Talk (PS FEXT)

Definition The power-sum FEXT value can be calculated on the basis

of the pair-to-pair FEXT measurements according to the

following formula:

∑=

⋅3

1i

0,1-

10 log 10 = [dB] aiFEXTa

PSFEXT

Meaning With regard to network protocols that distribute the bi-

directional data load over all four pairs, power-sum FEXT is

of great importance for transmission reliability since cross-

talk is expected to impair transmission via the data channel.


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4.2.6 Return Loss

SMZ

Balun

Receiver

Transmitter

UUT

Pair of Cores Return loss measuring bridge

R = Z

Differential-mode termination without return loss

Definition The return loss represents the ratio of the power supplied to

the EUT to the power reflected by the EUT.

output

input

RP

P log 10 = [dB] a

The EUT end is terminated with the characteristic

impedance in order to absorb any non-reflected power. The

EUT and the test-value transmitter must have the same rated

impedance in the broadband range.

Influencing

factors

The return loss value of cables is decisively influenced by

the homogeneity of the conductors and the core of the cable.

Mechanical load during the manufacturing or installation of

the cables may impair the return loss.

The parameters return loss and characteristic impedance

correlate.

Meaning A high degree of return loss improves the transmission

reliability. A low degree of return loss may lead to an

unwanted overlap of returning signal components.


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4.2.7 Delay

SMZ

SMZ

Baluns

Transmitter

Receiver

A B

Pair of Cores

Definition The velocity of propagation v of cables is stated in relation

to the maximum velocity of propagation of electromagnetic

waves in the vacuum co. The parameter "Nominal Velocity

of Propagation" (abbr. NVP) is defined as follows:

NVPv

oc=

The delay τ is the period of time the signal requires in order

to travel through a cabling link with a length of l. The delay

is calculated on the basis of the NVP value (Nominal

Velocity of Propagation) of the cable and the velocity of

light c0 according to the following formula:

cNVP

l

0⋅

=τ

Influencing

factors

The delay of cables is decisively influenced by the dielectric

loss of the core insulation material. This material-induced

loss may be minimised by selecting various compounds and

by varying the degree of foaming.

The impact of colour addition on the NVP value is not to be

neglected since the colours vary strongly in their dielectric

constants, which are considerably higher than in the basic

compound.


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Influencing

factors

(continued)

The velocity of propagation does not depend on the cable

length and may be calculated on the basis of the

measurement of the length-dependent group delay. The

reference length used for calculation is the cable length and

not the lay length of the twisted pairs. Different lay length

values in the four pairs lead to different NVP values.

Meaning In order to ensure distortion-free signal transmission, the

velocity of propagation must not fall below a lower limiting

value, which is determined by the system requirements. The

velocity of propagation has to be virtually independent of the

frequency within the signal bandwidth in order to avoid a

divergence of the spectral signal components.

High-bit rate network protocols that use parallel data

transmission via the four pairs, moreover, require a highly

consistent velocity of propagation in order to avoid

synchronisation errors. Future normative standards will

define this so-called "delay skew".

4.2.8 Delay Skew

Definition The delay skew ∆τ of cables with a length of l marks the

time difference between signals travelling along the

individual transmission links at the propagation velocity vi,j.

∆τ = li j

i j

v v

v v⋅

−

⋅

Influencing

factors

The delay skew of cables is decisively influenced by the

dielectric loss of the core insulation material and the various

lay length values.

Meaning The delay skew will be an important parameter for a

distortion-free data transmission in balanced cables in view

of future network protocols.


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4.2.9 Transfer impedance

Screened cabin

Data link = 0.5 m

50 ohms

Parallel wire

Specimen

Networkanalyzer

Definition As soon as an electromagnetic wave reaches a screen, it induces

an interference current IDisturb.. This current produces a voltage

UDisturb. along the inner conductor. The coupling factor

IU

ZeDisturbanc

eDisturbanc

T=

has the dimension of a complex impedance and is called transfer

impedance ZT. The transfer impedance consists of a real part – i.e.

the coupling resistance RC – and an imaginary part. In many

cases, only the coupling resistance will be of practical importance

for the evaluation of the shielding effectiveness.

The coupling impedance has the dimension mΩ. In case of data

cables it is indicated per unit of length and has the dimension

mΩ/m.

Influencing

variables

In case of shielded cables, the coupling resistance is primarily

determined by the mechanical structure of the braided screen

and/or by inserted foil screens. The coupling resistance is very

much dependent on the frequency.

Significance The better the effectiveness of a shield is, the smaller is the value

of the coupling resistance.


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5 Rules and Regulations

5.1 Rules and Regulations Applied

• TIA/EIA-568-B.2-1 (Addendum No.1 to TIA/EIA-568-B.2), June 2002

Transmission Performance

Specifications for 4-Pair 100Ω Category 6 Cabling

5.2 Category 6 Limits

Fre

qu

ency

/ M

Hz

Att

enu

ati

on

/ d

B

NE

XT

/ d

B

FE

XT

/ d

B

Ret

urn

Lo

ss /

dB

1,0 0,10 75,0 75,0 30,0

4,0 0,10 75,0 71,1 30,0

8,0 0,10 75,0 65,0 30,0

10,0 0,10 74,0 63,1 30,0

16,0 0,10 69,9 59,0 30,0

20,0 0,10 68,0 57,1 30,0

25,0 0,10 66,0 55,1 30,0

31,25 0,11 64,1 53,2 30,0

62,5 0,16 58,1 47,2 28,1

100,0 0,20 54,0 43,1 24,0

200,0 0,28 48,0 37,1 18,0

250,0 0,32 46,0 35,1 16,0

Schedule 1: Limits in reference to TIA/EIA-568-B.2-1 (connecting hardware)


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5.3 Deviations

None.

5.4 None-Standardized Test Procedures

None.


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6 Test equipment

The following test equipment was used for the measurements:

Equipment

Label

Manufacturer

Technical Datas

Spectrum

Network-

analyzer

ZVRE

Rohde &

Schwarz

50 Ω

9 kHz - 4 GHz

RLC-Meter PM 6304 Fluke 0,10 % accuracy

Reference clamp KRMZ 1200-A GHMT 50 / 100 Ω

1 MHz - 1,2 GHz

Reference clamp KRMZ 1500-A GHMT 50 / 100 Ω

1 MHz – 1,5 GHz

Symmetry

measuring bridge SMB-61

Analog

Elektronik 50 Ω

100 kHz - 350 MHz

Time-Domain-

Reflectometer 1502 C Tektronix 0,025 m resolution

De-Embedded

Test plug

GHMT_01 - 05

--- GHMT

TIA/EIA-568-B.2-1

(06/2002)

De-Embedded

Reference jack

NEXT

R090199

SS-650810-A Stewart

TIA/EIA-568-B.2-1

(06/2002)

De-Embedded

Reference jack

FEXT

R022299

SS-650810-A Stewart

TIA/EIA-568-B.2-1

(06/2002)

Measuring

equipment --- GHMT ---


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6.1 Measurement Uncertains

6.1.1 Measurement uncertainty ZVRE

Parameter Frequency Range /

Measurement frequency

Relative

Measurement

uncertains

Frequency accuracy

(Reference frequency)

4 Std. 10 MHz 5 x 10-9

Frequency accuracy

(Generator frequency)

1 MHz – 3,999 GHz 5 x 10-9

Absolute accuracy of the

generator level

20 kHz – 4 GHz 0,2 dB

Linearity of the generator level 20 kHz; 300 kHz; 1 MHz;

100 MHz; 1 GHz; 2 GHz; 3 GHz;

4 GHz

0,2 dB

Measurement of the generator

step attenuator

1 MHz; 2 GHz; 4 GHz 0,2 dB

Measurement of the generator

frequency response

9 kHz – 4 GHz 0,2 dB

Measurement of the linearity of

the recipient (Magnitude)

1,5 MHz; 4 GHz 0,015 dB

Measurement of the linearity of

the recipient (Phase)

1,5 MHz; 4 GHz 0,05°

Measurement of the recipient

step attenuator

1 MHz; 2 GHz; 4 GHz 0,2 dB

Measurement of the absolute

amplitude accuracy (recipient)

9 kHz – 4 GHz 0,2 dB

Measurement of the noise level 10 kHz – 4 GHz 2 dB

Measurement of the port

adjustment

9 kHz – 4 GHz 1 dB

measurement of the arranging

sharpness


cross talk (> 105 dB)

port 1 after port 2

port 2 after port 1



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6.1.2 Measurement uncertainty of external measuring equipment

The following factors are regarded with the specification of the Measurement

uncertainty by external measuring equipment:

• Coaxial access lines

• Cable reference measuring clamp with transducers

• Personal errors by contacting of the equipment under test

The following standard deviations are to be considered during the evaluation of the

executed measurements:

Standard deviation measuring Transmission:

Frequency Range 1 MHz – 600 MHz: max. 1 dB

0

0,1

0,2

0,3

0,4

0,5

0,6

0,7

0,8

0,9

1

1,1

1,2

1,3

1,4

1,5

1 10 100 1000

Frequency [MHz]

Sta

nd

ard

de

via

tio

n A

tte

nu

ati

on

[d

B]

(KR

MZ;

pe

rso

na

l e

rro

rs)

Standard deviation


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Standard deviation measuring Return Loss:

Frequency Range 1 MHz – 600 MHz: max. 1,6 dB

-2

-1

0

1

2

3

1 10 100 1000

Frequency [MHz]

Sta

nd

ard

de

via

tio

n

Re

turn

Lo

ss

Standard deviation

Standard deviation measuring Input Impedance:

Frequency Range 1 MHz – 600 MHz: max. 1 dB

-2

-1

0

1

2

3

1 10 100 1000

Frequency [MHz]

Sta

nd

ard

de

via

tio

n

Inp

ut

Imp

ed

an

ce

[O

hm

]

Standard deviation


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7 Summary

Customer: Fischer-J.W.Zander GmbH & Co. KG

Rötelstrasse 38

D-74172 Neckarsulm

Description: ZA-TEC Modul RJ45 Cat.6 shielded 10GE

Part-No.: 039836

Applied standards: ISO/IEC 11801:2002-09

Information technology – Generic cabling for customer premises

EN 50173-1: 2002

Information technology – Generic cabling systems Part 1

IEC 60603-7-5 / Ed. 1.0 (ACDV 09.2003): Connectors for electronic equipment –

Part 7-5: Detail specification for 8-way, shielded, free and fixed connectors, for Data

transmissions with frequencies up to 250 MHz (Cat 6, shielded) - 2003

TIA/EIA-568-B.2-1 (Addendum No.1 to TIA/EIA-568-B.2) - June 2002

Transmission Performance Specifications for 4-Pair 100Ω Category 6 Cabling

Comments: The test results, which were determined in the course of the measurement, refer to

the submitted sample. Any future technical modifications of the component are

subject to the responsibility of the manufacturer.

Up to a bandwidth of 250 MHz the sample, a Connectivity, meets the limits of the

specified standards and regulations. All pin-combinations provide an interoperable

conformity of the Connectivity and comply with the requirements of the

Category 6 threshold values.

Bexbach, June 12

th 2008

i.O. Stefan Grüner, engineer

(substitute to the laboratory management)

GHMT AG

In der Kolling 13

D-66450 Bexbach

Phone: +49 (0) 68 26 / 92 28 – 0

Fax: +49 (0) 68 26 / 92 28 – 99

E-Mail: [email protected]

http://www.ghmt.de


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8 Documentation of measurements

As annex of this test report the test results are documented as frequency responses.


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Summary of the measured high-frequency-parameters:

All power-sum parameters are calculated out of individual pair-to-pair measurements.

Furthermore the delay skew are determined by calculation.

Attenuation

The following adjustments were basis for the measuring equipment:

Networkanalysor Rohde & Schwarz ZVRE 10 Hz – 4 GHz

Output Power 0 dBm

Frequency Range 1 MHz – 300 MHz

IF-Filter 300 Hz

Resolution 801 measurement points in logarithmic distribution

Average None

Smoothing 0,3%

Noise floor A dynamic range of 135 dB was verified

Impedance 50 Ω


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Attenuation:

-0,4

-0,3

-0,2

-0,1

0

0,1

1 10 100 1000

Frequency [MHz]

Cate

go

ry 6

co

nn

ecti

ng

hard

ware

inse

rtio

n l

oss [

dB

]

limit for insertion loss

Pair 12

Pair 36

Pair 45

Pair 78


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NEXT



Output Power 0 dBm


IF-Filter 30 Hz


Average None

Smoothing 0,3%


Impedance 50 Ω


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NEXT:

-120

-110

-100

-90

-80

-70

-60

-50

-40

-30

1 10 100 1000

Frequency [MHz]

Cate

go

ry 6

co

nn

ecti

ng

hard

ware

Next

loss [

dB

]

Limit for Next loss

Pairs 12-36 low

Pairs 12-36 high

Pairs 12-45 low

Pairs 12-45 high

Pairs 36-78 low

Pairs 36-78 high

Pairs 45-78 low

Pairs 45-78 high

Pairs 12-78

NEXT 36-45:

-120

-110

-100

-90

-80

-70

-60

-50

-40

-30

1 10 100 1000

Frequency [MHz]

Cate

go

ry 6

co

nn

ec

tin

g h

ard

ware

Next

loss

[d

B]

lower Next Limit for 36-45

Limit for Next loss

Pairs 36-45 low

Pairs 36-45 central

Pairs 36-45 high


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FEXT



Output Power 0 dBm


IF-Filter 30 Hz


Average None

Smoothing 0,3%


Impedance 50 Ω


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Delay



Output Power 0 dBm


IF-Filter 100 Hz

Resolution 801 measurement points in linear distribution

Average None

Smoothing 0,3%


Impedance 50 Ω


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Delay:

-5,0

-4,0

-3,0

-2,0

-1,0

0,0

1,0

2,0

3,0

4,0

5,0

0 50 100 150 200 250 300

Frequency [MHz]

Dela

y [

ns]

Pair 12 Pair 36

Pair 45 Pair 78

Limit for Delay

Delay Skew:

-0,4

-0,2

0

0,2

0,4

0,6

0,8

1

1,2

1,4

1,6

0 50 100 150 200 250 300

Frequency [MHz]

Dela

y S

kew

[n

s]

Pairs 12-36 Pairs 12-45

Pairs 12-78 Pairs 36-45

Pairs 36-78 Pairs 45-78Limit for Delay Skew


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Return loss



Output Power -10 dBm


IF-Filter 300 Hz


Average None

Smoothing 0,3%


Impedance 50 Ω


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Return Loss:

-80

-70

-60

-50

-40

-30

-20

-10

1 10 100 1000

Frequency [MHz]

Cate

go

ry 6

co

nn

ecti

ng

hard

ware

Retu

rn l

oss [

dB

]

Limit for Return loss

Pair 12

Pair 36

Pair 45

Pair 78


TIA/EIA-568-B.2-1 No.: P1892b-08-E



lab-Germany, inc.

Transfer Impedance



Output Power +7 dBm

Frequency Range 0,1 MHz – 300 MHz

IF-Filter 300 Hz


Average None

Smoothing 0,3%


Impedance 50 Ω


TIA/EIA-568-B.2-1 No.: P1892b-08-E



lab-Germany, inc.

Transfer Impedance :

transfer impedance, triaxial set-up EN50289-1-6 / IEC61196-1

0,1

1

10

100

1000

10000

0,1 1 10 100 1000

Frequency [MHz]

mO

hm

/m

p1892b-08-e - za- · pdf fileno.: p1892b-08-e ... sectional area and the conductivity of the...

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