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16 Signature detection/termination detection

ARGUS Copper Box

16 Signature detection/termination detection

Signature detection makes it possible to detect e.g. a passive test termination (PPA).

A voltage check is performed before the measurement in which the voltage
limits given in the table (see page 11) may not be exceeded.

Signature

PTT

PTT (inverted)

Circuit diagrams:

Starting signature detection

ARGUS in the status display.

Signature detection is not yet started.

<Menu>

Opens the Copper Box

menu, see page 20.

<Start>

Starts signature detection.

Summary of Contents for Copper Box v4

Page 1: ...ARGUS ARGUS Copper Box 1 ARGUS Copper Box v4 Manual Version 2 72 EN ...

Page 2: ...uding translation rights reserved No part of this work may be reproduced duplicated or disseminated in any form print photocopy microfilm or any other method without written consent All rights are reserved No one is permitted to reproduce or duplicate in any form the whole or part of this document without intec s permission ...

Page 3: ...Sym 42 9 Capacitance measurement C 46 9 1 Calculating line length 49 10 Isolation resistance measurement Iso 51 11 Resistance symmetry RSym 55 12 Loop resistance measurement R 62 12 1 Calculating line length 65 13 DC current measurement I 66 14 Longitudinal conversion loss LCL 68 15 Near end crosstalk NEXT 71 15 1 Starting NEXT measurement 73 16 Signature detection termination detection 75 16 1 Po...

Page 4: ...L synchronisation is not possible or the data rate is low due to asymmetry interference sources or other mechanical line problems The box is connected to the ARGUS tester simply via the USB host interface You can select the box and perform all measurements easily and rapidly via the ARGUS graphical user interface The ARGUS Copper Box is equipped with four standard banana sockets which are colour m...

Page 5: ...ntact points With the aid of resistance symmetry measurement it is possible to detect irregula rities in the subscriber line that can result in signal distortions or transmission errors Loop resistance measurement aids detection of short circuits and estimation of line lengths DC current measurement can be used to detect emergency external and normal power feeds as well as breaks in the line Unbal...

Page 6: ...instruments Thus an installation team can expand multiple ARGUS meters independently of each other It is not necessary to return testers for servicing in order to expand their functionality A special protective rubber jacket forms the USB box and the ARGUS tester into a single unit The Copper Box can be kept up to date quickly and easily via firmware updates that ARGUS executes automatically This ...

Page 7: ... IDC I Longitudinal conversion loss LCL Near end crosstalk NEXT 0 01 V to 200 0 V 0 01 V to 200 0 V 50 Hz sine 0 01 nF to 8000 00 nF 8Hz 0 1 kΩ to 999 9 MΩ 105 V max 2 mA 0 1 kΩ to 40 0 MΩ 8 V max 9 mA 0 1 to 40 0 MΩ 13 V max 15 mA 0 1 mA to 499 9 mA Attenuation for 1 MHz 120 Ω Crosstalk attenuation for 1 MHz 120 Ω 3 Use the ARGUS Copper Box only according to its intended purpose at all interfaces...

Page 8: ...xtreme conditions an internal protective mechanism protection element can be activated to protect the device the Box and the user In this case the Box may no longer be used and may only be repaired by autho rized personnel The device may not be opened by unauthorized personnel 11 To ensure dependable long term operation of the ARGUS Copper Box always make sure that it is optimally protected agains...

Page 9: ...ld bypass the safety voltage measurement conducted before the start of each measurement Connecting the Box with a running resistance measurement to a line with a regular supply voltage for example could destroy the Box even if this voltage is within the specification for voltage measurement In general the ARGUS Copper Box automatically checks before every measurement except current measurement whe...

Page 10: ...le below are not exceeded during the measurement During the measurement the ARGUS Copper Box can apply a measuring voltage of up ton 13 V max 15 mA to the line DC current Be sure to observe the permissible measuring range specified above when measuring DC current Make sure you connect the ARGUS Copper Box in the circuit in series Longitudinal conversion loss NEXT Before measuring make sure that th...

Page 11: ...per Box 11 Voltage thresholds Measurement UDC V to UAC Veff to R 3 5 30 R sym 30 30 ISO R 5 30 C 17 17 C sym 17 17 LCL 10 7 NEXT 10 7 Signature 3 3 Fast cable check 5 30 Remote box 3 3 Measured on 200 kΩ load Loop limit value 10 kΩ ...

Page 12: ...S brand measuring products do not contain any substances in concentrations compounds or applications whose marketing is prohibited according to the valid provisions of the RoHS Directive 2011 65 EU of the European Parliament and Council dated 8 June 2011 Our registration number issued by the EAR is WEEE REG no DE 92829367 Since October 2005 we have been marking all our measuring devices with this ...

Page 13: ...a detailed declaration of conformity on request Device specifications The ARGUS Copper Box is intended solely for measurements in telecommunications networks with limited power Make sure that the inserted banana plugs of the measuring leads are completely enclosed by the sockets of the Copper Box Dimensions weight Inputs outputs Height 125 mm Width 74 mm Depth 22 mm Weight approx 160 g 4 x 4 mm ba...

Page 14: ... measuring range Measuring range 1 0 V 25 V Input resistance 1 694 MΩ Measuring range 2 25 V 200 V Input resistance 1 05 MΩ As soon as the total of all voltages exceeds 25 V the measurement is switched over Capacitive symmetry measurement CSym Measuring range Resolution Accuracy of capacity diffe rence 10 nF 4 µF 0 01 nF 0 1 of the capacity to ground Capacitive measurement measuring frequency 8 Hz...

Page 15: ... 99 9 kΩ 0 1 kΩ 2 1 digit 100 0 Ω 999 0 kΩ 1 kΩ 2 1 digit 1 00 MΩ 9 99 MΩ 10 kΩ 2 1 digit 10 0 MΩ 40 0 MΩ 100 kΩ 5 1 digit Resistance difference RSym Measuring range Resolution Accuracy 10 Ω 5 kΩ 0 1 Ω 0 2 of RLoop 0 2 Ω Loop resistance measurement with 13 V max 15 mA Iso Measuring range Resolution Accuracy 0 1 Ω 999 9 kΩ 0 1 Ω 1 3 digits 1 000 Ω 9 999 kΩ 1 Ω 1 1 digit 10 00 Ω 99 99 kΩ 10 Ω 1 1 di...

Page 16: ...ement Therefore always use the original accessories for measuring Near end crosstalk at 1 MHz NEXT Measuring range Resolution Accuracy 0 1 dB 65 0 dB 0 1 dB 1 dB The length of the measuring leads can significantly affect the measurement Therefore always use the original accessories for measuring Reference conditions calibration Temperature 23 C to 5 C Humidity 50 20 relative non condensing Frequen...

Page 17: ...be sufficient as the Copper Box can be started on this access as an individual test just like TDR or Line scope Switch on ARGUS The most recently used access is indi cated on the display with ARGUS additionally displays a preview of the selected access settings The preview window opens after 2 seconds New Edit You can also change the access name Copper tests e g to in Copper Box TDR similar See th...

Page 18: ...ing and activating the Copper Box The chapter Configuring accesses page 17 explains how to set up the connection type Copper test ARGUS in the status display The device always measures the DC voltage at the line socket pins 4 5 before executing a copper test This value should warn of the presence of a voltage at the line socket e g TDR Line scope when a copper test is executed Select one of the co...

Page 19: ... Box and starts voltage measurement immediately ARGUS is in the Copper Box status display The voltage between the Tip and Ring wire is measured continuously here Current Shows the current measured value Hold The continuing measurement is paused You can use the cursor keys to select individual tests in this example capacitive symmetry mea surement Menu Opens the Copper Box menu see page 20 Start St...

Page 20: ... Number key 0 Reset only for active min max display Number key 1 Auto test profile s page 26 Number key 3 Polarity Iso only s page 52 Number key 4 Range limit Iso only s page 52 Number key 5 Measuring voltage Iso only s page 52 Number key 6 Wire types R RSym C CSym s page 31 Number key 7 QR code only at the end of an auto test Number key 8 Susceptibility s page 43 Number key 9 Display mode s page ...

Page 21: ...on the respective configurations in the chapter Tests Press one after another and Copper Box info You can find more detailed information on the Copper Box here such as Copper Box type software version serial number etc Press one after another and Save only at the end of an auto test ...

Page 22: ...In the following example a measurement between sockets Tip and Ground are selected You can select a variety of socket combinations using the cursor key Red Tip a wire Black Ring b wire Green GND Blue opt optional White not selected Menu Opens the Copper Box menu see page 20 Start Starts voltage measurement between sockets Tip and GND Switch to socket selection using the cursor keys 3x right cursor...

Page 23: ...larm tones must be activated in the ARGUS settings see Main Manual Short short Fault Immediately when an external voltage is detected In the absence of a loop or ground RSym In the absence of a ground line or presence of a loop CSym Short long Test complete After every test that ended automatically After every auto test not after every individual test here Short short long In the event of a fault ...

Page 24: ...5 Using the ARGUS Copper Box v4 24 ARGUS Copper Box ...

Page 25: ...ded The measuring ranges resolutions and accuracies of the respective measurement may be found in the chapter Technical data see page 14 Auto test settings ARGUS in the status display open the profile selection The auto test is not yet started Hotkeys settings auto test See the respective chapters for details on the individual measurements In the following the procedure is described using an auto ...

Page 26: ...6 Auto test 26 ARGUS Copper Box Auto test profile selection Select the profile to be editied and open it with Edit The auto test it configured under Auto test configuration see page 27 ...

Page 27: ...nt profiles are available for saving Auto test sequence Setting Sets the wait inter val until the next test This setting only applies for the respectively selected test Range 100 ms to 5000 ms Default 100 ms Insert Adds further tests Delete Deletes the currently selected test Selection of e g RSym Different socket combinations are available depending on the selected test see page 29 Confirm socket...

Page 28: ...ty to interference see also page 59 Select the start function Automatic start Pause manual loop ARGUS waits for user input to confirm that the loop is connected The selected test in this example RSym has been added to the auto test Switches softkey assignment ...

Page 29: ... b1 R1 GND Possibility 5 a1 T1 opt Possibility 6 b1 R1 opt Possibility 7 a1 T1 b1 R1 opt Possibility 8 a1 T1 b1 R1 GND opt I Possibility 1 a1 T1 b1 R1 Possibility 2 a1 T1 GND Possibility 3 b1 R1 GND Possibility 4 a1 T1 opt Possibility 5 b1 R1 opt CSym RSym Possibility 1 a1 T1 b1 R1 GND Possibility 2 a1 T1 b1 R1 opt Rem Possibility 1 short circuit a T b R Possibility 2 exchange connect Possibility ...

Page 30: ...the calculation must take into account a correction value dependent on the wire type that specifies the ratio of the pulse propagation speed in the cable to the speed of light in a vacuum c0 299 792458 m µs For cable types the pulse time is also specified in V 2 Minimum 45 0 m μs VoP 30 Maximum 149 7 m μs VoP 99 9 Default 100 0 m μs VoP 66 7 The choice of propagation speed as V 2 or VoP is saved S...

Page 31: ... 5 AWG24 0 5 80 39 66 0 Outdoor cable conductor with plastic jacket air filled 8 PIC 0 6 AWG22 0 6 65 38 67 0 Outdoor cable conductor with plastic jacket air filled 9 PIC 0 9 AWG19 0 9 29 34 72 0 Outdoor cable conductor with plastic jacket air filled 10 Jelly 0 9 AWG19 0 9 29 34 68 0 Outdoor cable petroleum jelly filled cable 11 Filled 0 4 AWG26 0 4 150 36 58 0 Outdoor cable filled 12 Filled 0 5 A...

Page 32: ...ed auto test profile ARGUS executes the tests stored in the profile in consecutive order During the tests you can select the respective results using the cursor keys You can use the cursor keys to select individual test results in this example capacitance measurement The auto test has been executed Screen display for selection of a wire type or auto test profile in this example Copper Box auto tes...

Page 33: ... saving ARGUS automatically swit ches to the view of the saved measured values Yes No Press one after another and ARGUS saves the current measurement Display of stored auto test values in device ARGUS saves the result of the auto test to the first free storage slot in internal memory ARGUS returns to the last selection menu without saving results ...

Page 34: ...ay the measuring result in the form of a QR code using the number key The results can then be transferred to other systems in csv format using a camera or a suitable QR code reader exits QR code display and the results are displayed as plain text ...

Page 35: ...ed voltages or hazardous voltage peaks can occur All voltages 200V are outside the permissible limits See the chapter Technical data page 14 for information on measuring ranges resolutions and accuracies of voltage measurement Setting Voltage measurement ARGUS in the status display The voltage measurement is not yet started Start Starts voltage measurement between sockets Tip and Ring Hotkeys sett...

Page 36: ...ngs Description Display mode Determines whether the standard display Normal display mode or min max display incl min max display mode is used Default Normal display Input resistance Sets the input resistance as high ohm or low ohm Default high ohm Information bell Sets whether an acoustic signal sounds when a measured value is displayed Default off Menu Opens the Copper Box menus see page 20 Curre...

Page 37: ...measurement the input resistance is at least 1 MΩ depending on the measuring range Voltage measurement can also be set to a low ohm range Low ohm measure ment is carried out using a 200 kΩ resistor connected parallel to the input impedance that is dependent on the measuring range Low ohm measure ment permits discharge of coupled voltage on lines charged lines This load indicates the state low ohm ...

Page 38: ...must be restarted for the changes to take effect The example here shows a low ohm loaded measurement Switches the input resistance To measure voltage using a different socket combination see page 22 The input resistance can only be switched over during a two pole measurement ...

Page 39: ...ess of a PBX Typical POTS PBX voltages are 48 V 32 V or 24 V DC The measured DC voltage of 96 2 V can indicate an ISDN BRI U access The voltage for an ISDN BRI U access is normally between 91 V and 99 V The measured voltage of 60 93 V could indicate an POTS access The normal voltage range of an POTS access is between 50 V and 72 V ...

Page 40: ...n or indirectly through the air The typical call switching voltage can occur transiently between Tip and Ring Display of the measurements between the Tip a wire and Ring b wire Display of DC voltage in V Display of AC voltage in V Frequency of AC voltage in hertz You can open the measur ing results of the wire pairs using the cursor keys Detail Opens the measuring results for the wire pairs ...

Page 41: ...ent Incoming call In this example the Copper Box is connected so as to measure the voltage of an POTS access A typical DC voltage is measured This example shows an incoming call In addition to the DC voltage we can see a call switching voltage with the typical frequency of 25 Hz ...

Page 42: ...olute deviation of the two capacitances CaE and CbE with respect to ground and the relative deviation are determined Relative deviation in 2x Absolute deviation in nF absolute difference CaE CbE The calculated values represent the actual values CaE CbE and Cab for the individual capacitances As the capacitances with respect to ground CaE and CbE are particularly important for the symmetry of a lin...

Page 43: ...tibility insecure fast the red warning ATTENTION susceptible appears on the display If a wire type has been selected this is shown in the display Menu Opens the Copper Box menu see page 20 Start Starts capacitive symmetry measurement Settings Description Wire types See page 30 for an explanation of wire types Susceptibility Selects the susceptibility with which ARGUS performs capacitive symmetry m...

Page 44: ...e susceptibility Insecure fast a warning appears in the display Start Starts capacitive symmetry measurement Cm operating mutual capacitance in nF Cab capacitance between Tip and Ring in nF CaE capacitance between Tip and Ground in nF CbE capacitance between Ring and Ground in nF ΔC absolute deviation between CaE and CbE in nF Relative deviation in When a wire type is selected the line length is c...

Page 45: ...lay Example measurements The capacitances CaE and CbE are very close together The relative deviation is below 1 The wires are extremely homogeneous The capacitances CaE and CbE deviate greatly The relative deviation is signifi cantly greater than the recommended 1 The wires are extremely asymmetrical Cm operating mutual capacitance in nF Line length in km Specific capacitance of wire type ...

Page 46: ...ot be exceeded The measuring ranges resolutions and accuracies of the capacitance measurement may be found in the chapter Technical data see page 14 Capacitance measurement settings ARGUS in the status display Capacitance measurement is not yet started Hotkeys settings of capacitance mea surement see page 20 and in the sheet under Once you have measured C symmetry you no longer need to measure cap...

Page 47: ...ox 50 nF km this value indicates that the line is approx 1 km long and open No measurement is possible on a closed line ARGUS indicates this with the message Loop Settings Description Wire types See page 30 for an explanation of wire types Susceptibility See page 43 for an explanation of susceptibility When you select the susceptibility Insecure fast the red warning ATTENTION susceptible appears o...

Page 48: ...the line should be in capacitive balance However if the capacitance between Tip and Ground and between Ring and Ground differ by more than 2 3 this can indicate an asymmetry You can investigate this hypothesis by measuring the symmetry see Chapter 8 which delivers a much more accurate determination of symmetry Length Switches to the line length parameters see page 50 ...

Page 49: ...e specified with a general capacitance or resistance value per unit of length The line length calculations can then be compared with the line length which is generally also known thus providing information about faults Using the calculated value you can roughly compare the line lengths and conduct further fault finding e g with a TDR in the event of discrepancies A wire type must be selected to en...

Page 50: ... Example measurements In this example a capacitance of approx 86 nF is measured between Tip Ring For a capacitance of approx 49 nF km this value indicates that the line is approx 1 77 km long Display Menu Opens the Copper Box menu see page 20 The wire type can be selected and configured during or after the measurement Menu Opens the Copper Box menu see page 20 Calculated line length of Tip Ring in...

Page 51: ...ccuracies of isolation resistance measurement Isolation resistance measurement settings ARGUS in the status display Isolation resistance measurement is not yet started Before the measurement the selected test parameters are displayed Measuring voltage in this example 105 V Measuring current in this example max 2 mA Polarity in this example standard Hotkeys settings of Isolation resistance measurem...

Page 52: ...tage of 105 V is selected Default 1000 MΩ Measurement voltage Determines whether isolation measurement is to be conducted at a high 105 V or low 8 V voltage With 8 V it is possible e g to measure against a connected NTBA so that this does not become low ohm above approx 10 V and falsify the measurement Default High voltage 105 V Susceptibility Selects the susceptibility with which ARGUS performs i...

Page 53: ...ing polarity Menu Opens the Copper Box menu Pol inverse Inverts the polarity see page 52 Start Starts the isolation resistance measurement When Isolation resistance measurement is started a warning is displayed when a measurement voltage of 105 V is used ARGUS generates a voltage of 105 V at the start of the measurement Special care is necessary due to this generated voltage Stop Stops the test ...

Page 54: ...round should always be in balance A value of 470 kΩ indicates a passive test termination The value should be verified by reversing the polarity with Pol inverse Fast Isolation resistance measurement e g of all pins at the demarcation point with respect to each other and earth To save significant time in measuring the measuring range was set e g to 2 MΩ 500 MΩ and susceptibility uncertain fast was ...

Page 55: ...al measuring configuration Values Ra Rb and RE are not measured directly but instead are calculated from three individual measurements Rab RaE RbE The caculated values are then used in deter mining symmetry RE is dependent on the measuring current here and is an auxiliary quantity RE is gen erally significantly less RE Ra reasp Rb than Ra or Rb The cable shield is generally connected to ground at ...

Page 56: ...er if the cable shield is not contin uous see image or too high ohm the mea surement will no longer function RE 10 kΩ As a remedy the reistance symmetry mea surement can be conducted using the build ing potential equalisation rail or an earthed metal water or heating pipe If this is not pos sible either trained electricians can after checking the building configuration TN S TT use the PE protectiv...

Page 57: ...lead to varying RE measurements 3 TAE residence Resistance symmetry is often faulty in the last mile e g due to a poor splice rat tail splice poorly crimped conductor connec tions loose screw connection A measurement is possible if the last mile is a connected to a buried continuous shield conductor this case is not illistrated How ever This is seldom the case Thus you must either lay an auxiliary...

Page 58: ...ive deviation are determined Relative deviation in 2x ΔR absolute deviation in Ω absolute deviation Ra Rb A voltage check is performed before the measurement in which the voltage limits given in the table see page 11 may not be exceeded A loop must be created between Tip Ring Ground This can be achieved using the instru ment kit function Tip Ring Ground See the chapter Technical data page 14 for i...

Page 59: ...ng ATTENTION susceptible appears on the display If a wire type has been selected this is shown in the display in this example wire type 1 Menu Opens the Copper Box menus see page 20 Start Starts the resistance symmetry measurement Settings Description Wire types See page 30 for an explanation of wire types Susceptibility Selects the susceptibility with which ARGUS performs resistance symmetry meas...

Page 60: ...arted Depending on the line characteristics the measurement can take a few seconds Display Menu Opens the Copper Box menus see page 20 Start Starts the resistance symmetry measurement Rs loop resistance in Ω Ra resistance of Tip wire in Ω Rb resistance of Ring wire in Ω RE resistance of Ground in Ω ΔR absolute deviation between Ra and Rb in Ω Relative deviation in ...

Page 61: ...re very close together The relative deviation is below 1 The wires are extremely homogeneous The resistances Ra and Rb deviate greatly The relative deviation is consider ably above the recommended 1 The wires are extremely asymmetrical Rs sum of loop resistances in Ω Ra resistance of Tip wire in Ω Rb resistance of Ring wire in Ω Line length in km Specific resistance of the selected wire type ...

Page 62: ...ded for single wire deter minations Use resistance symmetry measurement for this purpose see page 55 See the chapter Technical data page 14 for information on measuring ranges resolutions and accuracies of loop resistance measurement Loop resistance measurement settings ARGUS in the status display The loop resistance measurement is not yet started Loop resistance is always measured continuously Ho...

Page 63: ...ptibility with which ARGUS performs loop resistance measurement Robust for external voltage Insecure fast Default The measurement is reliable in the event of external voltages up to 3 5 V DC and 30 V AC Using another measuring method the measurement is extremely fast but much more susceptible to interference Robust for external voltages Display mode Determines the normal display current measured v...

Page 64: ...measured To perform a loop resistance measurement using another socket combination see page 22 Loop resistance measurement can also return no result e g due to excessive influence The polarity is reversed up to 20 kΩ Menu Opens the Copper Box menus see page 20 Start Starts loop resistance measurement Min Max Display of minimum and maximum measured values Hold The continuing measurement is paused s...

Page 65: ...d twisted pair with a length of 1 43 km As an explanation the line can be deliberately shorted at one end or is unintentionally shorted due to a fault in an unknown location A large value such as 20 MΩ or 40 MΩ indicates that no line loop intentional shorting has been set up Loop resistance cannot be measured then 12 1 Calculating line length See page 49 for calculation of line length using the R ...

Page 66: ...it in series The measuring range resolution and accuracy of DC current measurement are described in the chapter Technical data see page 14 DC current measurement settings ARGUS in the status display The current measurement is not yet started DC voltage is always measured continu ously Hotkeys settings of current measure ment s page 20 and in the sheet under Menu Opens the Copper Box menus see page...

Page 67: ...urrent measurement I ARGUS Copper Box 67 Starting DC current measurement ARGUS in the status display The DC current measurement is not yet started In this example a DC current of 57 5 mA is measured To measure DC voltage using a different socket combination see page 22 Menu Opens the Copper Box menu see page 20 Start Starts the DC current measurement Min Max Display of minimum and maximum measured...

Page 68: ...ck is performed before the measurement in which the voltage limits given in the table see page 11 may not be exceeded The length of the measuring leads can significantly affect the measurement so you should always perform your measurements using the original accessories The measuring ranges resolutions and accuracies of the LCL measurement are set out in the chapter Technical data see page 14 LCL ...

Page 69: ...ngitudinal conversion loss LCL ARGUS Copper Box 69 Starting LCL measurement ARGUS in the status display The LCL measurement is not yet started In this example an asymmetry attenuation of 54 1 dB is measured It is not possible to change the socket combination for LCL measurement Menu Opens the Copper Box menu see page 20 Start Starts LCL measurement Min Max Display of minimum and maximum measured v...

Page 70: ... a high value can only be expected in ideal situations or in the event of a short circuit between Tip and Ring or an extremely short open line A value greater than 65 dB means that the result is above the measuring range However a value 40 dB as in this example 41 5 dB is considered suffi ciently symmetric If a value 40 dB is measured or even 7 8 dB as in this example Tip or Ring may be shorted to...

Page 71: ... before the measurement in which the voltage limits given in the table see page 11 may not be exceeded The length of the measuring leads can significantly affect the measurement so you should always perform your measurements using the original accessories The measuring ranges resolutions and accuracies of NEXT measurement are set out in the chapter Technical data see page 14 Connection example tow...

Page 72: ...nt see page 20 and in the sheet under Settings Description Displaymode Determines the normal display current measured value or min max display min max values is used Default Normal display Information bell Selects whether an acoustic signal sounds when a measured value is dispalyed Default off Menu Opens the Copper Box menu see page 20 Start Starts the DC current measurement ...

Page 73: ... NEXT measurement is started In this example a crosstalk attenuation of 23 7 dB is measured It is not possible to change the socket combination for NEXT measurement Menu Opens the Copper Box menu see page 20 Start Starts NEXT measurement Min max Display of minimum and maximum measured values Hold The continuing measurement is paused see also page 36 ...

Page 74: ... maximum value is reached in this example 65 dB However a value 37 dB as in this example 37 7 dB considered sufficient The crosstalk to the adjacent line is tolerable If a value 37 dB is measured or even 5 8 dB as in this example there may be a short between the two wire pairs The tone is 100 cross coupled and severely interferes with the line ...

Page 75: ...ve test termination PPA A voltage check is performed before the measurement in which the voltage limits given in the table see page 11 may not be exceeded Signature PTT PTT inverted Circuit diagrams Starting signature detection ARGUS in the status display Signature detection is not yet started Menu Opens the Copper Box menu see page 20 Start Starts signature detection ...

Page 76: ...In this example a passive test termina tion PPA was detected between Tip and Ring See the table on page 77 for possible results In this example a PPA and a signature circuit between Tip and Ring were detected Stop Stops the test Restart Starts a new signature detection Restart Starts a new signature detection ...

Page 77: ...Iso fault Potentially double PPA antiparallel detected or isolation fault Signature Signature detected Signature circuit detected Signature Signature possibly present External voltage isolation resistance or additional connected devices can influence detection such that an unambiguous result is no longer pos sible Unknown termination Cp 500 nF Unknown termination Cancellation as no further detecti...

Page 78: ...16 Signature detection termination detection 78 ARGUS Copper Box ...

Page 79: ...re interpreted as a loop and all values greater as an open line The cable check can be performed as a standalone test or as part of the auto test In auto test an audible alarm sounds when a fault is detected and the auto test sequence is stopped The loop between Tip Ring Ground can be realised manually or using an electronic instrument kit Starting cable check ARGUS in the status display The cable...

Page 80: ...Test Possible results Remark Line Line OK Line pair connected correctly Line open Line pair not connected correctly e g open Possible results Menu Opens the Copper Box menu see page 20 Start Starts the cable check Restart Starts a new cable check ...

Page 81: ... offer additional functoins is only possible using the commands listed below Settings Description Remote kit type TX91x 900 905 remote The common and extended 900 905 remote commands can be acessed in the menu When a common command is selceted both control conmands are transmitted In the extended 900 905 remote commands only these control commands are transmitted and the acknowledgement evaluated ...

Page 82: ...kit control ARGUS in the status display In this example the command Exchange connect is selected Confirm the command The command Exchange connect is sent to the remote unit Menu Opens the Copper Box menu see page 20 Start Selects the command for remote kit control ...

Page 83: ...is activated The tone can be followed Port 1 loop 3 sec 90x The instrument kit type 900 905 creates a loop on port 1 for 3 sec Port 1 3 connect 90x The instrument kit type 900 905 connects port 1 with port 3 P1 2 3 4 connect 90x The instrument kit type 900 905 connects port 1 with port 2 and port 3 with port 4 Port 1 4 connect 90x The instrument kit type 900 905 connects port 1 with port 4 Port 1 ...

Page 84: ... Operating capacitance mutual capacitance Cp Parallel capacitance csv File format comma separated values CSym Capacitive symmetry D D Germany dB Decibel DE Deutsch German DIN Deutsches Institut für Normung German Institute for Standardization DSL Digital Subscriber Line DSLAM Digital Subscriber Line Access Multiplexer E E Ground earth EC European Community EMC Electromagnetic compatibility EN Euro...

Page 85: ... P PPA Passive test termination Pol Polarity POTS Plain Old Telephone Service PSTN Q QR Quick response R R 1 Resistance electrical resistance 2 Ring b wire Ra Resistance a wire Rb Resistance b wire Rem Remote instrument kit control RC Resistance R and capacitance C RE Ground resistance Ri Internal resistance Ring b wire RoHS Restriction of Hazardous Substances Rs Loop resistance RSym Resistance sy...

Page 86: ...r line TDR Time domain reflectometry TRG Tip Ring Ground U U Voltage UAC AC voltage UDC DC voltage USB Universal Serial Bus V V Volt V 2 Pulse propagation time VoP Velocity of propagation Vpp Volts Peak to peak W WEEE Waste Electrical and Electronic Equipment ...

Page 87: ...www argus info web download Software_License If you are interested in the sources listed under GPL LGPL please contact support argus info intec Gesellschaft für Informationstechnik mbH will provide you with a machine readable copy of the source texts for a nominal fee to defray the costs of the physical copying process This offer is valid for 3 years intec Gesellschaft für Informationstechnik mbH ...

Page 88: ...ent 42 Changing socket assignment 22 Configuring accesses 17 D DC current measurement 66 Declaration of conformity 13 default wire types 31 Device specifications 13 DIN EN 50419 12 Disposal 12 E Electromagnetic compatibility 13 ElektroG 12 EN60950 1 13 Example isolation resistance measurements 54 Example resistance symmetry measurements 61 F Fast cable check 79 H Humidity 13 I Index 88 Input resis...

Page 89: ...lts 33 Selecting and activating the Copper Box 18 Signature detection 75 79 Software licenses 87 Special instructions for individual measurements 10 Capacitance 10 DC current 10 Isolation resistance 10 Longitudinal conversion loss NEXT 10 Loop resistance 10 Signature detection remote kit control 10 Voltage 10 Specifications 7 AC voltage 7 Capacitance measurement 7 DC current 7 DC voltage 7 Isolati...

Page 90: ... Starts capacitance measurement 59 Starts loop resistance measurement 63 Storage temperature 13 Support 6 87 Susceptibility 43 T Technical features 5 U User safety 13 Using the ARGUS Copper Box 18 V Version 1 Voltage measurement examples 39 Voltage thresholds 11 W Website 6 87 WEEE 12 Wire types 30 ...

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