EXFO AXS-200-610 User Manual

AXS-200/610
Copper Test Module
User Guide
Copyright © 2008–2009 EXFO Electro-Optical Engineering Inc. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form, be it electronically, mechanically, or by any other means such as photocopying, recording or otherwise, without the prior written permission of EXFO Electro-Optical Engineering Inc. (EXFO).
Information provided by EXFO is believed to be accurate and reliable. However, no responsibility is assumed by EXFO for its use nor for any infringements of patents or other rights of third parties that may result from its use. No license is granted by implication or otherwise under any patent rights of EXFO.
EXFO’s Commerce And Government Entities (CAGE) code under the North Atlantic Treaty Organization (NATO) is 0L8C3.
The information contained in this publication is subject to change without notice.
Trademarks
EXFO’s trademarks have been identified as such. However, the presence or absence of such identification does not affect the legal status of any trademark.
Units of Measurement
Units of measurement in this publication conform to SI standards and practices.
Version number: 4.0.0
ii AXS-200/610
Contents
Contents
Certification Information ........................................................................................................v
1 Introducing the AXS-200/610 Copper Test Module .................................... 1
Main Features .........................................................................................................................1
Typical Applications ................................................................................................................2
Cable Connections ..................................................................................................................2
LED Indicators .........................................................................................................................3
Electrical Safety Information ...................................................................................................3
VDSL2 .....................................................................................................................................4
Navigating through the AXS-200/610 .....................................................................................5
Conventions ............................................................................................................................6
2 Getting Started with Copper Qualification Tests ....................................... 7
POTS Dialing ...........................................................................................................................7
Regional Settings ..................................................................................................................10
Saving Results .......................................................................................................................17
Reading Saved Results ..........................................................................................................20
3 Auto CQ/Video-DSL Rate Prediction .......................................................... 23
CQ Auto Test .........................................................................................................................23
Configuring CQ Auto Tests ....................................................................................................24
Running CQ Auto Tests and Viewing Results .........................................................................35
Video-DSL Rate Prediction ....................................................................................................43
Configuring Video-DSL Rate Prediction .................................................................................43
Running Video-DSL Rate Prediction Tests and Viewing Results .............................................49
4 POTS Auto Test ............................................................................................ 61
5 DMM Tests .................................................................................................. 63
DMM ....................................................................................................................................63
In Service Pair Detection Test .................................................................................................72
Rectified Loop (Corrosion) Detection Test .............................................................................73
Water Detection Test .............................................................................................................73
Resistive Balance ...................................................................................................................74
6 Fault Location Tests .................................................................................... 77
TDR Test ................................................................................................................................77
RFL Single Pair (2 wire) Test ...................................................................................................80
RFL Separate Good Pair (4 wire) Test .....................................................................................83
Loop Mapper Test .................................................................................................................86
Copper Test Module iii
Contents
7 VF Tests ........................................................................................................91
Receive Tone (RX) ..................................................................................................................92
Send Tone (TX) ......................................................................................................................93
Tracing Tone ..........................................................................................................................94
VF Noise ...............................................................................................................................95
Impulse Noise .......................................................................................................................96
Power Influence ....................................................................................................................98
Longitudinal Balance ............................................................................................................99
Load Coil Detection ..............................................................................................................99
8 Wideband Tests .........................................................................................101
Receive Tone (RX) ................................................................................................................102
Send Tone (TX) ....................................................................................................................103
PSD Noise ...........................................................................................................................104
Spectral Detective Test ........................................................................................................108
Impulse Noise Test ..............................................................................................................111
Impulse Noise Histogram ....................................................................................................113
Attenuation Test .................................................................................................................116
Longitudinal Balance ..........................................................................................................118
Data Rate Prediction ...........................................................................................................120
9 Maintenance ..............................................................................................129
General Maintenance ..........................................................................................................129
Battery Charging and Replacing .........................................................................................129
Recycling and Disposal (Applies to European Union Only) ..................................................130
10 Troubleshooting ........................................................................................131
Solving Common Problems .................................................................................................131
Contacting the Technical Support Group ............................................................................132
Transportation ....................................................................................................................133
11 Warranty ....................................................................................................135
General Information ...........................................................................................................135
Liability ...............................................................................................................................136
Exclusions ...........................................................................................................................136
Certification ........................................................................................................................136
Service and Repairs .............................................................................................................137
EXFO Service Centers Worldwide ........................................................................................138
A Technical Specifications ............................................................................139
Index ...............................................................................................................141
iv AXS-200/610

Certification Information

Certification Information

F.C.C. Information

Electronic test equipment is exempt from Part 15 compliance (FCC) in the United States. However, compliance verification tests are systematically performed on most EXFO equipment.
 Information
Electronic test equipment is subject to the EMC Directive in the European Union. The EN61326 standard prescribes both emission and immunity requirements for laboratory, measurement, and control equipment. This unit has undergone extensive testing according to the European Union Directive and Standards.

CSA Information

This unit is certified by the CSA (certificate number 162451) and was evaluated according to applicable CSA and UL standards (as confirmed by “C-US” mark) as well as applicable IEC standards for use in Canada, the United States, and other countries.
Copper Test Module v
Certification Information
Application of Council Directive(s): 73/23/EEC - The Low Voltage Directive
89/336/EEC - The EMC Directive
And their amendments Manufacturer’s Name: EXFO Electro-Optical Engineering Inc. Manufacturer’s Address: 400 Godin Avenue, Quebec (Quebec)
Canada G1M 2K2 (418) 683-0211 Equipment Type/Environment: Test & Measurement / Industrial Trade Name/Model No.: AXS-200/610
30 MHz Copper Test Set
Standard(s) to which Conformity is Declared:
EN 61010-1:2001 Safety Requirements for Electrical Equipment for Measurement,
Control, and Laboratory Use, Part 1: General Requirements.
EN 55022: 1998 +A2: 2003 Limits and Methods of Measurement of Radio Disturbance
Characteristics of Information Technology Equipment.
EN 61326:1997 +A1:1998 +A2:2001 + A3:2003
Electrical Equipment for Measurement, Control and Laboratory Use - EMC Requirements
I, the undersigned, hereby declare that the equipment specified above conforms to the above Directive and Standards.
Manufacturer
Signature:
Full Name: Stephen Bull, E. Eng
Position: Vice-President Research and
Development
Address: 400 Godin Avenue, Quebec (Quebec),
Canada, G1M 2K2
Date: January 16, 2008
DECLARATION OF CONFORMITY
vi AXS-200/610
1 Introducing the AXS-200/610
Copper Test Module
The AXS-200/610 Copper Test Module is a handheld device designed to test basic twisted pair quality, identify and locate faults, perform advanced single-ended loop tests, and troubleshoot noise and signal issues all the way up to 30 Mhz in support of the VDSL2 standard. These measurements offer a quick and thorough method to determine if the cable is capable of supporting xDSL technology. In addition, the AXS-200/610 utilizes noise measurements, longitudinal balance tests, and power spectral density tests to assist in the installation, maintenance, and troubleshooting of copper cables.

Main Features

³ Full 30 MHz spectrum analysis
³ Spectral detective with auto identification of disturbers
³ Single-ended testing – no remote device required
³ Loop mapper – graphical loop depiction
³ Color display with graphical analysis
³ Fully automated testing with pass or fail analysis
³ POTS and VF measurements for complete ADSL2+ and VDSL2 loop
qualification
³ Video and DSL rate prediction
³ In-service pair, rectified loop, and water detection tests
Copper Test Module 1
Introducing the AXS-200/610 Copper Test Module
LANHeadset
DSL
WAN
RT R1T1
Primary tip/ring
3-pin connectors
Secondary tip/ring 3-pin connectors
LAN connector for Ethernet output
WAN connector for Ethernet
and DSL input
Measuring ground terminal

Typica l A p p l i cations

Typical Applications
The AXS-200/610 can be configured to run the following series of tests to see if the cable is suitable for carrying digital subscriber line (DSL) technologies:
³ Auto tests
³ POTS auto test
³ DMM tests
³ VF tests
³ Fault location tests
³ Wideband tests

Cable Connections

The graphic below shows the connectors on the AXS-200/610 device.
2 AXS-200/610
Introducing the AXS-200/610 Copper Test Module
VOLTAGE DETECTED
Red indicates that a voltage is
detected on the line. This is normal if
the voice switch is connected to the
circuit under test. If the circuit is
open, foreign voltage is present -
either DC (with battery cross) or AC
(induced from electrical power lines.
PAS S/FAIL
Red indicates that test results
have failed the thresholds.
Green indicates that test results
were evaluated against the
customer-defined thresholds
and have passed.

LED Indicators

Note: When connecting a DSL cable to the WAN port, use the RJ-45 plug end of
the 26AWG cable provided with the unit. There is a 1500V maximum transient voltage on telecom ports. Basic insulation is needed for external telecom circuits.
LED Indicators
The graphic below illustrates the LED indicators across the top of the AXS-200/610 unit.

Electrical Safety Information

Do not use the unit outdoors in wet locations. For information about equipment rating for temperature, environment, and power supply, refer to the Safety Information chapter of the AXS-200 User Guide.
Copper Test Module 3
Introducing the AXS-200/610 Copper Test Module

VDSL2

VDSL2
Very high speed digital subscriber lines (VDSL) is a new standard that allows extremely high speed internet access over existing copper cables. The VDSL2 standard increases the spectrum allocation up to 30 MHz for even higher performance than its predecessor VDSL1, and allows speeds up to 100 Mbps symmetrical (both up and downstream). VDSL2 also calls for support of applications such as multi-channel high definition TV (HDTV), video on demand, video-conferencing, and VoIP using the existing copper telephone line infrastructure. Along with that it also calls for ATM, Ethernet, and IP compatibility, as well as multimode implementations to permit interoperability with existing ADSL equipment.
VDSL2 gives carriers the flexibility to start rapidly deploying VDSL2 networks and offer new broadband services including triple-play services, HDTV, VoD, high-speed data, VoIP, high-speed Internet access, video conferencing, virtual private networks (VPNs), PBX Extension, and video surveillance to compete with cable companies. VDSL2’s broader spectrum combined with features like Trellis coding and multi-pair bonding allows carriers to offer full triple-play services to a large portion of their customer base.
4 AXS-200/610
Introducing the AXS-200/610 Copper Test Module

Navigating through the AXS-200/610

Navigating through the AXS-200/610
Use the following general instructions to navigate through the AXS-200/610 menus and panes:
³ To navigate through the menu items use the arrow keys.
³ To confirm a choice or open a menu item press .
³ Most manual tests automatically run when they are selected from
the menu.
³ The rotating hour glass in the title bar indicates when a test is
running.
Note: The unit checks for an active circuit at
the beginning of every manual and auto test.
³ To start/stop a test, press .
³ To view the contents of the panes
or tabs, use the F1, F2, and F3 keys. To view any available additional tabs use the function arrow keys on either side of the F1 and F3 keys.
³ To cancel an action or return to the previous item or pane, press .
³ To return to the home pane, press .
Copper Test Module 5
Introducing the AXS-200/610 Copper Test Module

Conventions

Conventions
Before using the product described in this manual, you should understand the following conventions:
WARNING
Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. Do not proceed unless you understand and meet the required conditions.
CAUTION
Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury. Do not proceed unless you understand and meet the required conditions.
CAUTION
Indicates a potentially hazardous situation which, if not avoided, may result in component damage. Do not proceed unless you understand and meet the required conditions.
IMPORTANT
Refers to information about this product you should not overlook.
6 AXS-200/610
2 Getting Started with Copper
Qualification Tests
The AXS-200/610 is designed to test basic twisted pair quality, identify and locate faults, perform advanced single-ended loop tests, and troubleshoot noise and signal issues all the way up to 30 MHz in support of the VDSL2 standard. These measurements offer a quick and thorough method to determine if the cable is capable of supporting xDSL technology. In addition, it utilizes noise measurements, longitudinal balance tests, and power spectral density tests to assist in the installation, maintenance, and troubleshooting of copper cables.
To access copper qualification tests:
1. From the Home pane use the
up/down arrow keys to highlight Copper Qualification Tests, then press .
2. From the Copper Qualification Tests pane highlight the desired
menu item, and press .

POTS Dialing

The POTS Dialer function provides a dial-up path from the AXS-200/610 to another tester (or quiet termination or silent switchman) through a switched circuit network. DTMF transmission is enabled via the AXS-200 keypad allowing you to place and receive POTS calls. The dialer can be accessed from the Copper Qualification Tests pane and is also integrated into individual test screens to give you quick access to the manual dialer function, speed dial and last dialed lists, without exiting the current test application.
Copper Test Module 7
Getting Started with Copper Qualification Tests
POTS Dialing

POTS Dialer

The POTS Dialer menu item/tab allows you to use the unit as a telephone (with a headset) and the AXS-200 keypad as a dialer keypad when the POTS Dialer is invoked, whether in the test results screens or through the separate dedicated POTS Dialer application.
Each parameter and button are described below:
³ NumbertoDial edit box is the
phone number you wish to dial. You can add this number to the
Phone Book by pressing the Add to Phone Book button.
³ Dial button is enabled whether or
not there is a number present in the NumbertoDial edit box. If a number is present, it will be dialed. If not, pressing the Dial button will cause the unit to go off hook and a new placing a call pane appears where you can manually dial a number from the keypad.
³ Dial Status displays the
progress of dialing such as
Dial Tone Detected, No Dial Tone, or Busy Tone Detected.
³ Volume is used to set the
headset volume to LOW or HIGH.
³ Hang Up button terminates
the call and you’ll be returned to the POTS Dialer pane.
8 AXS-200/610
Getting Started with Copper Qualification Tests
POTS Dialing
³ Add to Phone Book button enters
the number dialed into the Phone Book by bringing up the edit screen where you can add the Name for the Number dialed and save it. After pressing either the Cancel or Update buttons, you’ll be returned to the POTS Dialer pane.
³ Phone Book button invokes the list of numbers to dial and supports 15
commonly called names and numbers. Names can be up to 30 characters long and numbers up to 32 digits.
³ Last Dialed # lists up to 30 last dialed numbers.
³ Redial button dials a selected phone number from the
Last Dialed # list.
³ Icon on title bar gives a live on-screen, graphical indication of on-hook
and off-hook status.
To select parameter values:
1. Press the up/down arrow keys to highlight the desired parameter.
2. Press to display the list or select the value.
3. Press the up/down arrow keys to highlight the desired value.
OR
4. Press the left arrow key to erase the existing value, and then use the alphanumeric keypad to enter a value. To cancel the entry, press .
5. Press to accept the value.
Copper Test Module 9
Getting Started with Copper Qualification Tests

Regional Settings

Regional Settings
Before performing copper qualification tests, set up the software settings and values for the cables. The AXS-200/610 allows you to save standard parameter settings to different profiles and reuse them as needed.

Select Profile

The Select Profile tab allows you to configure the unit with specific measurement values.
Each parameter is described below:
³ Distance Units are the units of
measurement for distances in FEET or METER.
³ Cable Gauge is the gauge system
for measuring wire sizes in AWG (American Wire Gauge) units or mm (metric wire size).
³ Profile Name is either Default or a list of all available profile file names
stored in the current directory.
³ Clone Profile allows you to copy an existing profile to a new one and
switch to use the new profile.
To select the parameter values:
1. Press the up/down arrow keys to highlight the desired parameter.
2. Press to display the list.
3. Use the up/down arrow keys to highlight the desired value, and press
to accept the value.
10 AXS-200/610
Getting Started with Copper Qualification Tests
Regional Settings
When you change the selections and press or , the following actions should be performed:
1. If ProfileName selection is not Default then save modifications (if any)
into the current profile file and proceed with the selected action.
2. If ProfileName selection is Default and modification to the profile has been made then enter the new name of the profile.
At power up, all settings are read from the last current profile.
³ Enter Profile Name is the new
name of the profile.
To save modifications made to a CustomProfile:
1. Select Save as New Profile and
create and save a new CustomProfile name in the current directory.
2. If the file with CustomProfile name already exists in the current directory, you will be prompted to overwrite it.
IMPORTANT
Changes to test parameters will be lost if the unit is turned off without first saving them to a default or custom profile. The unit can also be left in suspend mode to avoid loss of test parameters.
To cancel modifications made to a CustomProfile:
1. Select Cancel Modifications and reload the current profile with the
default profile.
2. Proceed with the previously selected action ( , , ).
Copper Test Module 11
Getting Started with Copper Qualification Tests
Regional Settings

Cable Setup

The Cable Setup tab allows you to configure parameter values for the cable.
Each parameter and button is described below:
³ Cable Type defines the gauge of
the cable in use. If wire gauge is measured in American Wire Gauge (AWG) units, the available choices are: AUTO, 19 AWG, 22 AWG, 24 AWG, or 26 AWG. For mm gauge wire, the available choices are: AUTO, 0.32 mm, 0.40 mm,
0.50 mm, 0.60 mm, 0.65 mm, 0.80 mm, 0.90 mm, or 1.20 mm.
³ Cable Fill allows you to select the type of material the cable can be
filled with. Changing the selection to AIRCORE, JELLY, PULP, 5PR, or 2PR influences the cable capacitance per length, automatically updating the Cap. T/R-GND field.
³ Capacitance T-R (nF/km or nF/mi) allows you to specify a value for the
capacitance per length constant.
³ Cap. T/R-GND (nF/km or nF/mi) allows you to specify a value for the
capacitance per length to ground constant.
³ Resistance (Ohm/km or Ohm/mi) allows you specify a value for the
resistance constant of the cable.
³ Attenuation (dB/km or dB/mi) allows you to specify a value for the
reduction in signal strength or insertion loss of the cable.
³ VOP allows you to set the velocity of propagation for the cable as a
ratio of the speed of light. Enter a value between 0.400 and 0.999.
³ Restore Defaults allows you to reset cable parameters for the selected
cable to the standard default values.
12 AXS-200/610
Getting Started with Copper Qualification Tests
Regional Settings
To select parameter values:
1. Press the up/down arrow keys to highlight the desired parameter.
2. Press to display the list or select the value.
3. Press the up/down arrow keys to highlight the desired value.
OR
4. Press the left arrow key to erase the existing value, and then use the alphanumeric keypad to enter a value. To cancel the entry, press .
5. Press to accept the value.
To reset default cable values:
1. Press the up/down arrow keys to highlight Cable Type.
2. Press to display the list.
3. Press the up/down arrow keys to highlight the desired cable type, then
press to accept the selection.
4. Use the up/down arrow keys to highlight the Restore Defaults button, then press . The selected cable’s default values are restored.
Copper Test Module 13
Getting Started with Copper Qualification Tests
Regional Settings

Standard

The Standard tab allows you to set unit parameter values for the selected profile composed of current Distance Units and Cable Gauge.
³ Standard allows you to specify if
the copper qualification tests should conform to the ITU (International Telecommunications) or ANSI (American National Standards Institute) standard.
³ Temp er at ur e allows you to specify the units of measurement for
temperature in F (Fahrenheit) or C (Celsius).
³ Connection allows you to specify the default type of cable connections
as T-R-G or A-B-E.
To select the parameter values:
1. Press the up/down arrow keys to highlight the desired parameter.
2. Press to display the list.
3. Use the up/down arrow keys to highlight the desired value, and press
to accept the value.
14 AXS-200/610
Getting Started with Copper Qualification Tests
Regional Settings

Phone Book

The Phone Book tab provides you with a list of saved names and numbers that will be part of the Profile.
Each parameter and button is described below:
³ Name displays the list box of
names in a phone book list.
³ Number displays the list box of
phone numbers in a phone book list.
³ List Box can display up to 15 names/numbers. Once the list box
reaches 15 entries the New button will be disabled. The phone book has 3 predefined entries: Milliwatt Line, Drop Battery and Quiet Line. These entries can be edited but not removed.
To select a name/number from the current list:
1. Press the up/down arrow keys to highlight the desired parameter.
2. Press to select the item.
This selection can be edited or removed. Once you leave this screen, the selected name/number will be used to dial. All changes are automatically saved into phone book.
³ New invokes the edit screen where a new name and number can be
entered then saved to the phone book list.
³ Edit invokes the edit screen where a name and number can be viewed
or changed.
³ Delete removes the selected entry from the phone book list.
Copper Test Module 15
Getting Started with Copper Qualification Tests
Regional Settings
On the edit details screen, the following controls are shown:
³ Name is the name, maximum 30
characters, assigned to the phone number entered in the phone book.
³ Number is the phone number,
maximum 32 digits including #,* and comma.
³ Cancel button returns you to the phone book screen without saving
any changes.
³ Update button stores the Name and Number entered, in the phone
book.
To select and edit the controls:
1. Press the up/down arrow keys to highlight the desired entry and
press .
2. Use the alphanumeric keypad to enter a value. To cancel the entry, press .
3. Press to accept the value.
16 AXS-200/610
Getting Started with Copper Qualification Tests

Saving Results

Saving Results
You can save any of your results after running and viewing a test performed with the AXS-200/610, in either text or graphical format. Each copper qualification test includes a Save Results tab to do so.
Press the F1, F2, or F3 key to view this tab, or use the function arrow keys on either side of the F1 and F3 keys to access it.

Save Results

The Save Results tab allows you to save your test results to a file or to an HTML report.
Each entry on the pane is described as follows:
³ Save as Type lists the following
formats to save your test results:
³ AXS200 format is a binary file
format with ext *.dat. This format can be opened only on an AXS200 unit. The Available Graphs list box will be unavailable in this case.
³ *.csv saves only graphical results.Textual results must be formatted
as a comma-separated values table for easy importation to Excel. Results are saved to a USB.
³ *.gif stands for graphics interchange format and is one of the most
common file formats for graphic images on the World Wide Web. Results are saved to a USB.
³ *.bmp saves graphical results in a bitmap file format. Results are
saved to a USB.
³ *.xml saves your data in a common language format to share on
the Web.
Copper Test Module 17
Getting Started with Copper Qualification Tests
Saving Results
³ Available Graphs is enabled only if the selected format under
Save as Type is *.gif, *.csv, or *.bmp.The selection of graphs available are: Load Coil Detection, VF Power Influence, PSD Noise,
WB Spectral Detective, WB Impulse Noise Histogram, Attenuation, WB Long. Balance, Loop Mapper, TDR, and Auto Test. For a test that
does not have a graph, this list box is unavailable.
³ Save Results button saves the test results in internal or external
memory (depending on the Save as Type format).
³ Filename is the current date and time stamp plus you can enter any
name. If it already exists, you will be prompted to overwrite the existing file.
³ Report Header is where you can enter any comment. The initial value
is the current test followed by the date and time stamp.
³ Report’s File Name is where you can enter any name for the HTML
filename. If the name already exists, you will be prompted to overwrite the existing file.The default extension is .html.
The default name is generated from the current time.
³ Session result creates and saves the report for single test results when
disabled, or appends multiple results in one report when enabled.
³ Save Report to USB button saves the results to an HTML report. If a
USB memory stick is not inserted, the following warning dialogue box appears: USB device is not detected.
³ Append to Report button appears only if Session result is Enable,
and creates an HTML report for the current test in internal memory.
18 AXS-200/610
Getting Started with Copper Qualification Tests
Saving Results
To set parameter values and save results:
1. Press the left/right and up/down arrow keys to highlight the desired
parameter.
2. Press to display the list or select the value.
3. Press the up/down arrow key to highlight the desired value.
OR
4. Press the left arrow key to erase the existing value, and then use the alphanumeric keypad to enter a value. To cancel the entry, press .
5. Press to accept the value.
Copper Test Module 19
Getting Started with Copper Qualification Tests

Reading Saved Results

Reading Saved Results
You can view any of your saved results with the Copper Test Module, by highlighting the Read Saved Results menu item from the Copper Qualification Tests pane, and pressing .

Read Saved Results

The Read Saved Results tab allows you to select a test type and view the results of all the files previously saved.
Selec t Te st Type provides a list of all the copper qualification test types available for you to select for viewing.
³ Auto Test
³ Video-DSL Rate Prediction
³ POTS Auto Test
³ DMM Tests
³ VF Receive Tone
³ VF Noise
³ VF Impulse Noise
³ VF Power Influence
³ VF Long.Balance
³ VF Load Coil
³ TDR
³ RFL-2 Wires
³ RFL-4 Wires
³ Loop Mapper
³ WB Receive Tone
20 AXS-200/610
Getting Started with Copper Qualification Tests
Reading Saved Results
³ WB Impulse Noise
³ WB Impulse Noise Histogram
³ Spectral Detective
³ PSD Noise
³ Attenuation
³ WB Longitudinal Balance
³ WB Data Rate Prediction
³ Rect. L Detection
³ Resistive Balance
To open previously saved test results:
1. Press to open the list.
2. In the list, press the up/down arrows to select the test type.
3. Press to confirm the selection.
4. Press the down arrow to activate the Result Files list box and
press to display the list of available files.
5. Press the up/down arrows to select the desired result file.
6. Press to view the selection.
Copper Test Module 21
3 Auto CQ/Video-DSL Rate
Prediction

CQ Auto Test

The cable qualification auto test function allows you to automatically run tests used in pre-qualification, installation, and maintenance of different circuit types from POTS to VDSL2. Auto tests include a range of different tests that compare measured results against stored threshold values to provide pass or fail results. The results are displayed in both text and graphical format.
The following tests can be included in the CQ auto test function:
³ AC/DC voltage and current
³ Resistance
³ Capacitance
³ Isolation
³ Load coil detection
³ Power influen c e
³ Voice frequency (VF) longitudinal
balance
³ Voice frequency (VF) noise
³ Voice frequency (VF) impulse noise
³ Voice Frequency (VF) receive tone
³ Wideband (WB) receive tone
³ Wideband (WB) longitudinal balance
³ Power spectral density (PSD) noise
³ Attenuation
³ Wideband (WB) impulse noise
³ Time domain reflectometry (TDR)
Copper Test Module 23
Auto CQ/Video-DSL Rate Prediction

Configuring CQ Auto Tests

Configuring CQ Auto Tests
Parameters for auto test configuration are on the CQ Auto Test pane tabs.
To view auto test configuration tabs:
1. From the CQ Auto Test pane use
the up/down arrow keys to highlight Test Configuration, and press .
2. Press the F1, F2, or F3 key to view the various tabs. To view any available additional tabs, use the function arrow keys on either side of the F1 and F3 keys.

Test List 1

The Test L i s t 1 tab allows you to select the types of tests to include in the auto test function.
The following tests are available:
³ AC/DC Voltage detects AC RMS
and DC voltages in the line. Toggle between Enable and Disable.
³ AC/DC Current checks for AC RMS
and DC currents in the line. Toggle between Enable and Disable.
³ Resistance measures isolation
resistance between the wires and to ground. It is also used to identify possible faults, and to measure the resistance of the twisted pair cable for estimating loop length. Toggle between Enable and Disable.
³ Capacitance measures the capacitance of the cable for estimating
loop length. Toggle between Enable and Disable.
24 AXS-200/610
Loading...
+ 122 hidden pages