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2.0 About this User Manual

Every effort was made to ensure that the information contained in this user manual is accurate. Information is subject to change

without notice and we accept no responsibility for any errors or omissions. In case of discrepancy, the web version takes

precedence over any printed literature.

(c) Copyright 2006-2010 VeEX Inc. All rights reserved. VeEX, VePAL are registered trademarks of VeEX Inc and/or its affiliates in

the the USA and certain other countries. All trademarks or registered trademarks are the property of their respective companies.

BX100A/V e-Manual D07-00-001 Rev E01

Page 5 of 52

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Содержание VePAL BX100A Series

Страница 1: ...slated into a foreign language or be transmitted electronically without prior agreement and written consent of VeEX Incorporated as governed by International copyright laws Information contained in th...

Страница 2: ...3 IP Overview 5 4 Pass Through Overview 5 5 Bitstogram Overview 5 6 Digital Multimeter Overview 6 0 DSL Measurement Setup 6 1 ADSL CPE ATU R mode ANSI G DMT G Lite ADSL2 ADSL2 Multi ADSL Multi G 992 x...

Страница 3: ...o top 1 0 Product Introduction VeEX VePAL BX instruments are next generation test solutions to install and maintain xDSL networks delivering triple play services All BX products are lightweight rugged...

Страница 4: ...1 1 Test Applications The diagram below outlines the major test capabilities of the BX100A V products BX100A V e Manual D07 00 001 Rev E01 Page 4 of 52...

Страница 5: ...y for any errors or omissions In case of discrepancy the web version takes precedence over any printed literature c Copyright 2006 2010 VeEX Inc All rights reserved VeEX VePAL are registered trademark...

Страница 6: ...our customer care department for customer support Before contacting our customer care department you must have your product serial number ready Please go to Basic Operations section for details on loc...

Страница 7: ...ions Escape key The escape key provides an escape sequence to the user interface It is used in non touch screen operation mode to escape menus and functions Note Standby Mode By pressing Home and Help...

Страница 8: ...tors and Panels Test Ports To access the test connectors please open the top cover DSL test port One RJ11 BX100V or one RJ45 BX100A connector is located at the top of the unit Connect the unit to the...

Страница 9: ...the function key on the rubber keyboard O O The FRAME LED indicates synchronization aspects of the DSL signal The LED is green when showtime or link up is achieved The LED is red while the unit is tra...

Страница 10: ...es information about the copper s performance but connection to the DSLAM or customer s modem can also be assessed The BX100A V models offer the following test functions depending on model purchased E...

Страница 11: ...The destination address can be in IP address or URL format Trace Route To find the route to the destination IP or URL Often used to identify routing problems and unreachable destinations All the remo...

Страница 12: ...te 4 3125 kHz wide bins called sub carriers Even though each of these 254 sub carriers or tones can support a modulation of up to 15 bits the maximum achievable downstream data rate is actually 8 128...

Страница 13: ...DSL2 mode Also known as ITU T G 992 3 the standard extends basic ADSL data rates to 12 Mbit s downstream and 3 5 Mbit s upstream however actual speeds are dependent on line quality the most significan...

Страница 14: ...y G 992 5 ADSL2 signal G 992 3 ADSL2 signal G 992 1 ADSL DMT signal G DMT ADSL signal ANSI T1 413 ADSL signal G Lite ADSL signal ADSL 2 Annex B Enables Annex B mode Screen layout differs slightly on B...

Страница 15: ...is and ITU G 992 5 ADSL2 specification is that the upstream downstream frequency split has been shifted from 138kHz up to 276kHz allowing upstream bandwidth to be increased from 1 Mbit s to 3 5 Mbit s...

Страница 16: ...ts the transmission of asymmetric and symmetric data rates up to 200 Mbit s The bandwidth can be extended to 30MHz however VDSL2 uses the same band plans below 12MHz to be spectrally compatible with V...

Страница 17: ...nsmission Convergence PTM TC function that is based on the Ethernet in the First Mile EFM IEEE 802 3ah standard The PTM TC specified in VDSL2 makes provision for Preemption and Short Packet Support Pr...

Страница 18: ...VDSL1 DSLAMs using DMT modulation VDSL2 CNXT Emulates Conexant based VDSL2 DSLAMs using DMT modulation VDSL IKO Emulates Ikanos based VDSL1 DSLAMs using DMT modulation VDSL2 IKO Emulates Ikanos based...

Страница 19: ...and installations at customer premises often generate short bursts of noise of relatively high amplitude These bursts called impulse noise are electromagnetically coupled into the digital subscriber l...

Страница 20: ...symbol duration can be corrected without errors One symbol equals 250 s therefore an INP of 1 correlates to a correction time of 250 s The Impulse Noise Protection INP or interleave depth is defined b...

Страница 21: ...thers may be supported in future Annex A North America or B Europe Profile the following selections are available refer to VDSL2 profile and PSD limit tables below 8a B8 6 8b B8 6 12a B8 2 12a B8 6 17...

Страница 22: ...numerous configuration profiles and bandplans to meet regional service provider requirements The frequency bandwidth has increased from 12 MHz to 30 MHz with options for 8 5 MHz 12 MHz 17 7 MHz and 3...

Страница 23: ...gher layer protocols such as ATM can begin negotiation to transfer data over the connection The following measurements and parameters are displayed in the various Tabs Link Up Tab provides a snap shot...

Страница 24: ...ommand to the time showtime is achieved Path Interleaved or Fast displayed on BX100A models only Mode This indication is particularly valuable when using the multimode setup Estimated Loop Length disp...

Страница 25: ...with a SNR of 21 dB would be able to carry 7 bits However due to the fact that a minimum of 2 bits QAM 4 are encoded per bin the SNR of any single bin cannot drop below 6dB BX100V SNR Tone Graph BX10...

Страница 26: ...Up to 15 bits per symbol can be encoded on each bin on a good quality line BX100A Bits Tone graph mode BX100V Bits Tone graph mode Each tone bin represents a 4 3125 kHz bandwidth and is used to transf...

Страница 27: ...00V models due to xDSL chipset differences and capabilities BX100V Alarms BX100A Alarms Alarm definitions Line Performance parameter definitions FEC Up and Down Stream Count of near end Reed Solomon f...

Страница 28: ...ved CRC 8 code word received does not match the code word transmitted A count of the superframes that contained CRC LCD Up and Down Stream Count of near end Loss of Cell Delineations for the interleav...

Страница 29: ...ly in the relatively short list There are fewer Virtual Paths in the network than Virtual Channels so switches forward cells on the basis of the VPI Virtual Channel Identifier VCI As a cell approaches...

Страница 30: ...lling the entire connection F4SG OAM F4 cell used for controlling a single segment of the connection Note Operation Administration and Maintenance OAM OAM performs standard loopback end to end or segm...

Страница 31: ...values are displayed BX100A V OAM Statistics OAM Statistics tab displays information on the traffic received and transmitted Rate rate at which ATM cells are transmitted and received Count number of...

Страница 32: ...p keypad Password enter information using pop up keypad Note LLC versus VC MUX encapsulation Virtual Channel Multiplexing VC Mux multiple VCs are created so that different protocols can be sent over e...

Страница 33: ...lationship between peers using ATM Adaptation Layer 5 AAL5 for framing PPP encapsulated packets RFC2153 Point to Point Protocol provides a standard method for transporting multi protocol datagrams ove...

Страница 34: ...mulate Customer Premise Equipment i e DSL modem After configuring both the WAN DSL and LAN Ethernet interfaces and establishing valid connections on each interface your PC will have connection to the...

Страница 35: ...MUX available in LLC mode only Authentication PAP CHAP or Auto available in PPPoE and PPPoA modes only VPI Virtual Path Indicator Enter value in the range of 0 to 255 using the pop up keypad availabl...

Страница 36: ...c host configuration protocol DHCP mode IP address Enter a value using the pop up keypad Subnet Network address to identify if the IP address falls within the local area network Scope start DHCP mode...

Страница 37: ...ateway IP address of default gateway DNS IP Address of the Domain Name Server to be used by the tester Result Connection Passed or Failed Dynamic IP mode IP address Address of the network device or PC...

Страница 38: ...nal or Loss of Synchronization condition since the start of the test Up Attenuation dB Upstream attenuation expressed in dB Difference in the power level transmitted at the near end modem and received...

Страница 39: ...anomalies associated with the DSL link or line connection conditions Alarm types may vary from BX100A and BX100V models Pass Through Alarms CRC Count of the superframes that contained CRC FEC Count o...

Страница 40: ...hich are included in unavailable time BlKES Count of the Block Error Rate LOSS Count of 1 second intervals containing one or more LOS defects of Sync Number of times the modem spontaneously retrained...

Страница 41: ...deo packet carries a sequence number continuity errors can be determined easily Missing OOS and duplicate packets are counted as errors Packet loss is typically seen on all channels arriving at the cu...

Страница 42: ...based on the data packet inter arrival time which is a measure of packet arrival variance Packet jitter affects packet arrival throughout the network Variations lead to buffer under overflows at the r...

Страница 43: ...terval between the arrival of PCR values the accuracy of the expected values and also the jitter accumulated on those PCR values transmitted is necessary to assure that streams can be decoded PCR jitt...

Страница 44: ...a Loss Rate e g 70 15 The above ratio shows a delay factor of 70ms and 15 packets lost per second MDI and MPEG packet loss together provides a good indication of IP transmission and non related IP iss...

Страница 45: ...er being scanned Zap time ms Also known as inter channel change delay Time between a channel leave request is sent and the receipt of the first byte of data from the new multicast channel It is the IG...

Страница 46: ...nents to the Network Quality of the Decoder from the Network Human Factors per unit time Go back to top 11 0 Bitstogram Measurement Mode The Bitstogram software option is available for both BX100A and...

Страница 47: ...tabular format A zoom function allows fast and easy access to known tones BX100A V Bitstogram Graph Mode BX100A V Bitstogram Table Mode Bitstogram Events Tab Displays bit swapping associated with DMT...

Страница 48: ...each end of the line Measurements can be obtained even when line conditions are so bad that a connection isn t even possible If a connection isn t possible the modem goes through each step of initial...

Страница 49: ...p resistance tip ring with a short at the far end should not exceed 600 Ohms Capacitance a measurement will verify that a copper pair is balanced i e both the Tip and Ring leads are of equal length If...

Страница 50: ...r elects to replace is returned to VeEX Inc by the customer along with proof of purchase within thirty 30 days of the request by the customer freight prepaid Additionally during the warranty period Ve...

Страница 51: ...l health and safety requirements set out in European Directives To permit the use of a CE mark on a product proof that the item meets the relevant requirements must be documented Use of this logo impl...

Страница 52: ...erification EXperts is an innovative designer and manufacturer of test and measurement solutions addressing numerous technologies Global presence through a worldwide distribution channel provides unco...

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