8xE1 Echo Canceller - Data Sheet
Contents
1. the return path This feature allows the user to cancel echo tails in both directions both near end and far end echo tails even in most demanding conditions that are common on VoIP networks and satellite links e USER PROGRAMMABLE SIGNALING OPTION The E1 Echo Canceller support the following signaling protocols Signaling protocols supported 30B D PRI ISDN Euro ISDN signaling 31B 31 Voice Channels with out of band signaling R2 CAS signaling a SS7 signaling on any user selected time slot CAS C5 CCS Q50 AB CD C7 PRI ISDN 30B D All signaling options are User Selectable User Programmable a Allows digital data transmission on any individual user selected time slots e The E1 Echo Canceller supports 2100 Hz fax analog data modem tone detection and echo canceller disabling on all channels e USER PROGRAMMABLE DEDICATED DATA CHANNELS The user may specify define the dedicated data channels so that they are always and completely by passed from the echo cancellation circuitry leaving those specifically assigned dedicated time slots for digital data transmission including video transmission e Option for user to select voice echo cancellation or digital data transmission selectively on each time slot for selective echo cancellation This feature allows the user to use selected time slots for data transmission to enable digital data CCS signaling transmission e Transmission data mode while kee2. JRION NETWORKS ORION TELECOM NETWORKS INC VCL EC Voice Quality Enhancement VQE amp E1 Echo Canceller 8 x E1 Echo Canceller with VQE Product Brochure amp Data Sheet Headquarters Phoenix Arizona Orion Telecom Networks Inc 20100 N 51stAve Suite B240 Glendale AZ 85308 Phone 1 480 816 8672 Fax 1 480 816 0115 E mail sales oriontelecom com Website http www oriontelecom com Regional Office Miami Florida Orion Telecom Networks Inc 4000 Ponce de Leon Blvd Suite 470 Coral Gables FL33146 U S A Phone 1 305 777 0419 Fax 1 305 777 0201 E mail sales oriontelecom com Website http www oriontelecom com Orion Telecom Networks Inc 2009 12 VCL EC 8 x VQE amp E1 Echo Cancellers INDEX S No Particulars Pg No 1 Product Overview 3 2 Key Highlights 3 3 Echo Tail Displacement Echo Tail Off Set 4 4 Applications 5 5 Features and Highlights 6 6 Front View 8 7 Technical Specifications 9 8 Ordering Information 10 9 Support 11 CAUTION ELECTROSTATIC SENSITIVE DEVICES DO NOT OPEN OR HANDLE PT CEPTA STATIC FREE WORKSTATION Orion Telecom Networks Inc 2009 12 VCL EC 8 x VQE amp E1 Echo Cancellers Product Overview Orion offers the industry s most compact 8xE1 voice quality enhancement VQE and echo canceller solution in a 19 inch 1U 44mm height chassis with echo tail displacement echo tail off set f
3. Provides the user the flexibility to adjust and optimize the voice transmit and receive levels Non linear processor with comfort noise insertion Fully independent 8 E1 or T1 echo canceller Remote Monitoring and Control Remote access through telnet over LAN TCP IP link 10 100BaseT Local access through COM port RS232 serial port Fault Recovery The echo canceller equipment offers fault recovery feature It offers automatic by pass upon power supply failure i e it offers E1 circuit by pass in the event of power supply failure Ensures echo canceller maintains excellent performance at all times in presence of tones or signals including DTMF tones Orion Telecom Networks Inc 2009 12 VCL EC 8 x VQE amp E1 Echo Cancellers Application Diagrams E1 Echo Canceller VCL EC To cancel the echoes at both ends near end and far end of the Network with one 128ms bidirectional Echo Canceller Application 1 Leaner This end hears no echo ATM TDM or Frame Relay Multi Service WAN Gateway This end hears no echo E1 E1 Echo Canceller ATM TDM or CPE PBX JE Frame Relay Equipment VCL EC To cancel the echoes at both ends of the network with one 128ms bidirectional Echo Canceller with user programable Echo Tail Displacement Echo Tail Off set Features Note The VCL EC Echo Canceller offers User Programable Echo Tail Displacement featur
4. celler offered 8 x Voice Quality Enhancement VQE E1 Echo Cancellers 19 inch 1U 44mm chassis 128ms bidirectional echo cancellation tail E1 inputs and outputs are balanced 120 Ohms RJ 45 Orion Telecom Networks Inc 2009 12 3 VCL EC 8 x VQE amp E1 Echo Cancellers Question What is echo tail displacement echo tail off set Answer Echo tail displacement echo tail off set is an important feature used in bidirectional echo cancellation to make it effective and useful for bidirectional echo cancellation Explanation Bidirectional defined as near end and far end automatic echo cancellation operation echo cancellers have the capability of cancelling echoes in both directions on the Transmit as well as the Receive paths by installing them at a single location Bidirectional echo cancellers can be installed at a single location either the near end or the far end and used to cancel both near end and far end echo tails from a single installation Usually satellite links and intercontinental VoIP circuits have fixed network delays which exceed the capabilities of commonly available 192 ms echo cancellers for bidirectional echo cancellation thus making them unsuitable for bidirectional echo cancellation Example An inter continental satellite or a VoIP link may have a fixed end to end round trip delay of 300ms thereby rendering all commonly available echo cancellers with even 192 ms echo cancellation capabiliti
5. condensing Voice Quality Acoustic Echo Control AEC Adaptive Noise Reduction ANR Adapting Listener Enhancement ALE Automatic Level Control ALC G 169 Management Port Specifications 10BaseT LAN Management Port with Telnet Network Interface RJ 45 Ethernet 10BaseT or 100 BaseT TX auto sensing Compatibility Ethernet Version 2 0 IEEE802 3 Protocols Supported ARP UDP IP TCP IP Telnet ICMP SNMP DHCP BOOTP TFTP Auto IP SMTP and HTTP LEDs 10Base T amp 100Base TX Activity Full half duplex Management Serial login Telnet login GUI EMI Compliance Radiated amp conducted emissions complies with Class B limits of EN55022 1998 Direct amp Indirect ESD complies with EN55024 1998 RF Electromagnetic Field Immunity complies with EN55024 1998 Electrical Fast Transient Burst Immunity complies with EN55024 1998 Power Frequency Magnetic Field Immunity complies with EN55024 1998 RF Common Mode Conducted Susceptibility complies with EN55024 1998 Ordering Information Sr Product Description Part Al VCLEC 8 x VQE amp E1 Echo Cancellers Per Chassis VCL EC E1 8 Orion Telecom Networks Inc 2009 12 10 VCL EC 8 x VQE amp E1 Echo Cancellers Ordering Information S No Part Product Description VCL EC E1 VQE 8 8E1 Echo Canceller with VQE 128ms bi directional echo cancellation near end and far end with echo tail d
6. directional echo canceller solutions Orion Telecom Networks Inc 2009 12 4 VCL EC 8 x VQE amp E1 Echo Cancellers Question My Network has a total of 300 ms end to end delay How can I use a 128 ms bidirectional echo canceller to cancel both near end and far end echoes Answer The use of the programmable echo tail displacement echo tail off set feature in our echo cancellers allows the user to cancel echoes on the return path even if the network delays exceed 128 ms The fixed network delay shall be calculated ascertained and programmed as the echo tail displacement on the return path This shall allow the user to use a single echo canceller to cancel echoes bidirectionally even if the total network end to end delay is in excess of 300 ms The Orion 128 ms bidirectional echo canceller solution equipped with a user programmable echo tail displacement feature is superior than a simple single 192 ms bidirectional echo canceller solution for cancelling both near end and far end echoes even if the fixed round trip network delays exceed 300 ms please see the example above Applications for the VCL EC Applications Wireless Applications e Wireless GSM CDMA TDMA and Cellular Base e GSM CDMA Stations e Cellular Base Stations e Digital Circuit Multiplication Equipment DCME Satellite Communications and Multiplexers e PCS mobile and digital cordless wireless Central OMICS ene PEX Applications Net
7. e User Definable Echo Tail Displacement is selectable between Oms to 512ms on the return path This feature allows the user to cancel echo tails in BOTH directions both near end and far end echo tails even in most demanding conditions that are common on VoIP networks and satellite links Orion Telecom Networks Inc 2009 12 7 VCL EC 8 x VQE amp E1 Echo Cancellers VCL EC 8 x VQE amp E1 Echo Canceller Shelf Description The VCL EC 8 x VQE and E1 Echo Canceller is a 1U 19 inch shelf fitted with a back plane The E1 interface power input alarm extension COM Port LAN and external clock are all accessed from the system front panel VCL EC 8 x VQE amp E1 Echo Canceller Front View of the Shelf VCL EC 8x VQE amp E1 Echo Canceller H CLK L2 HRDW TA pocoo COo eao O o O PORT1 PORT2 PORT3 PORT 4 PORT5 PORT6 PORT7 PORT8 Ti Ser test Port LAN B oy Reset EA in Clock Input Mechanical Specifications Rack Mounting Standard 19 Inch DIN Rack Height 44 00 mm Depth 260 00 mm Width 477 00 mm Weight 4 00 Kg 8 x QE amp E1 Echo Cancellers per chassis Clock Internal Stratum 3 level Loop timed Port A Port B User Selectable Compliance Regulatory e EMCFCC Part 15 Class 2 e Operation ETS 300 019 Class 3 2 e Storage ETS 300019 Class 1 2 e Transportation ETS 300 019 Class 2 3 e CE O
8. eature Pr SO which is user programmable from Oms to 512 ms Eee Echo cancellation on each channel is 128 ms bidirectional near end and far end echo 8xVQE amp E1 Echo Canceller cancellation The 8xE1 VQE and echo canceller solution offers a unique user definable echo tail displacement feature which may be programmed by the user between Oms to 512ms on the return path to cancel echo tails both at the near end and the far end in the most demanding network conditions T1 version of VQE and echo cancellers are also offered and available Orion offers echo cancellation and voice quality enhancement solutions for the following network situations Wireline International Gateway IP Gateway Wireless Satellite This solution is also an ideal echo cancellation solution for long distance telephony GSM CDMA TDMA VoIP satellite and radio communication applications The VQE and echo canceller equipment is compliant to ITU T G 168 2000 2002 requirements for echo cancellation The echo canceller solution offers carrier grade voice quality per AT amp T Voice Quality Assessment Lab Echo cancellation on each channelis 128 ms bidirectional Key Highlights e Orion offers the industry s most compact 8 x voice quality enhancement VQE amp E1 Echo Cancellers solution e 128 ms bidirectional near end and far end echo cancellation with echo tail displacement tail offset from Oms to 512 ms e Programmable echo tail displace
9. es in effective for bidirectional echo cancellation Using the Echo Tail Displacement echo tail off set feature the user may off set and account for the fixed round trip network delay on the return path so that the echo cancellation window on the return path is shifted off set by 300 ms so as to allow the bidirectional echo canceller to function effectively in both directions and to cancel both near end as well as the far end echo tails on the return path even if the echo canceller is installed at the near end in a given network Echo Tail Displacement echo tail off set allows the user to program a delay off set on the return path so that the user may cancel both near end and far end echo tail with a single Echo Canceller installation The echo tail displacement allows the user to compensate for the fixed network delays on the return path of the echo tail so that the user can effectively cancel both near end and far end echoes using a single Echo Canceller without being limited by the fixed end to end delay of that network link Orion s Echo canceller has a user programmable echo tail end displacement echo tail off set from 0 ms to 512 ms This feature allows the use of a single echo canceller installation to cancel echo tails in both directions over inter continental satellite or VoIP links where the fixed network delays are excessive beyond and in excess of example 192 ms echo cancellation capability of the commonly sold bi
10. isplacement from Oms to 896ms 19 Shelf 1U High Mount Version Supports E1 1200 RJ45 F 1 x 48V DC Power Supply Input 1 x Systems Core Cables Installation Accessories Documentation User Manual Disk etc Set OAM 10 100BaseT Ethernet RJ45 Telnet and Serial Port DB 9 COM port Technical specifications are subject to changes without notice All brand name and trademarks are the property of their respective owners Revision 10 December 18 2012 Headquarters Phoenix Arizona Regional Office Miami Florida Orion Telecom Networks Inc Orion Telecom Networks Inc 20100 N51stAve Suite B240 4000 Ponce de Leon Blvd Suite 470 Glendale AZ 85308 Coral Gables FL 33146 U S A Phone 1 480 816 8672 Fax 1 480 816 0115 E mail sales oriontelecom com Phone 1 305 777 0419 Fax 1 305 777 0201 E mail sales oriontelecom com Website http www oriontelecom com Website http www oriontelecom com Orion Telecom Networks Inc 2009 12 11
11. ment echo tail off set from Oms to 512 ms e Echo Tail Displacement allows the user to program a delay off set on return path and user can cancel near end and far end echo from single installation e Ideally suited for GSM Networks to eliminate background noise to enable GSM Networks to function at half rate HR with full rate voice quality thereby doubling spectrum usage in GSM networks e Echo cancellation on each channel is 128 ms bidirectional near end and far end e Compliantto ITU T G 164 G 165 G 168 2000 2002 recommendations e Electrical Echo Cancellation resulting from networks delays and delays arising due to complex voice compression algorithms in hybrid PSTN and long distance networks e Acoustic Echo Cancellation required for mobile networks for cancelling echo tails that originate from cellular hand sets designed with poorly designed acoustic feedback e Auto Voice Level Control and VQE Voice Quality Enhancement features required for reducing background noise from calls originating from crowded public places or other noisy environments and maintaining a uniform Voice level ina Network Improves voice quality e User programmable dedicated data channels e Remote access through Telnet e 8xE1 orT1 VQE and echo cancellers ina 1 U 44mm high chassis industry s smallest foot print e User Programmable signaling options R2 CAS PRI ISDN 30B D C5 CCS Q50 AB CD C7 SS7 Type of VQE and E1 Echo Can
12. nal Range of Input Voltage 40V to 60V DC Output Voltages 3 3V Maximum Full Load Output Current 4A at 3 3V Input Voltage Reversal Protection Provided in the Card Over Current Protection gt 4A for 3 3V Short Circuit Protection Current limit 4A Recovers on removal of short Under Voltage lt 2 9V Over Voltage 3 7V Efficiency at Full Load gt 86 Ripple at Full Load lt 5mVrms Spike at Full Load lt 50mV Orion Telecom Networks Inc 2009 12 9 VCL EC 8 x VQE amp E1 Echo Cancellers Echo Cancellation Echo Tail Cancellation Up to 128ms bidirectional near end and far end Tone Disabler As per ITU T G 164 G 165 ERLE Echo Return Loss Enhancement gt 35 dB with 6dB ERL at 10 dBm0 gt 65 dB with NLP enabled ERL Echo Return Loss Selectable Threshold Levels Options 0 3 6 dB Transmit Receive Levels Programmable Selectable Levels Options 12 9 6 3 0 3 6 9 Comfort Noise Insertion User Selectable Enable Disable Local Monitoring and Control RS232 serial interface for Management through a PC COM Port Remote Monitoring and Control Ethernet 10BaseT interface for remote LAN Management and Control Local and Remote Provisioning CLI text commands and GUI Front Panel Indicators In SYNC Failure LEDs for power on off Environmental Operational 0 C to 50 C Humidity 5 to 95 non
13. ping the echo cancellation ON on the remaining time slots voice mode on which echo is required to be cancelled e Meets ITU T G 164 G 165 G 168 2000 2002 requirements for echo cancellation e Stratum 3e clock for stable internal clock holdover clock in the event of failure of any of the selected clock sources Highlights Provides voice echo cancellation of up to 128ms bidirectional near end and far end echo canceller for 8 E1 Echo Cancellers Custom user definable echo tail displacement echo tail off set between Oms to 512ms This allows the user to cancel echo in both directions near end and far end even in most difficult conditions i e excessive transmission delays that are common on VoIP GSM CDMA networks and satellite links Voice Quality Enhancement a Removes background noise Automatic level control maintains VF levels Acoustic Echo Control Adaptive listener Enhancement E1 link by pass on power failure This feature helps to maintain the link integrity event in the event of power failure The echo canceller supports fax modem G 164 and G 165 2100 Hz tone disable User selected clock synchronization option Internal External and Loop timed clock Remote access through telnet over LAN TCP IP link 10 100BaseT Local access through COM port RS232 serial port Easy to use text based CLI commands for management and configuration Adjustable gain loss settings on all channels
14. rion Telecom Networks Inc 2009 12 8 VCL EC 8 x VQE amp E1 Echo Cancellers Technical Specifications E1 Interface at 2048 Kbps Number of Interfaces 16 E1 Interfaces 8 Input RJ 45 8 Output RJ 45 Line Rate E1 2 048 Mbps Line Code HDB3 as per ITU T G 703 G 704 Framing Format As per ITU T G 704 FAS FAS CRC 4 CAS or CAS CRC 4 Facility Protection Metallic bypass relays for failsafe operation in the event of power supply failure PCM Encoding Law A Law as per ITU T G 711 Signaling Protocols Pass Through Signaling protocols supported 30B D PRI ISDN Euro ISDN Signaling 31B 31 voice channels with out of band Signaling S7 Signaling on any user selected time slot R2 CAS Signaling CAS C5 CCS Q50 AB CD C7 PRI ISDN 30B D All Signaling options are User Selectable User Programmable PCM Sampling Rate 8000 samples sec Bit Rate 2048 Kbps 50 ppm Jitter Tolerance As per ITU T G 823 Output Jitter lt 0 05 UI in the frequency range of 20Hz to 100 Khz Nominal Line Impedance 120 Ohms Balanced RJ 45 Nominal Pulse Width 244 ns Pulse Mask As per ITU CCITT Rec G 703 Loss and recovery of frame alignment As per clause 3 of ITU CCITT G 732 Loss and recovery of multiframe Alignment As per clause 5 2 of ITU CCITT G 732 Power Supply Specifications Input DC Voltage 48V DC nomi
15. work Trunks systems e PBX and central office systems e Echo Canceller Pool e Datacomm Voice over Frame Relay Voice over e Common Equipment ATM and Voice over Internet e Audio Conferencing Bridges e Voice over ATM Frame Relay or packet switching systems and fax transmissions e Central Office and PBX Network Trunks Echo Canceller Pool Common Equipment and Audio Conferencing Bridges e Voice over Datacomm including Voice over Internet VoIP Voice over ATM VoATM and Voice over Frame Relay VoFR Voice Over ATM Applications e A multi channel echo canceller resource or pool is shared among many channels to reduce cost e Echo cancellation is done at a DSO level Voice over Frame Relay ATM Datacomm Applications Voice over Frame Relay Voice over ATM Voice over Internet LAN Satellite Communications Applications Digital Circuit Multiplication Equipment Applications e Frame Relay and ATM routers and switches introduce large variable and unpredictable delays e Echoes from the Public Switched Telephone Network PSTN in combination with the delays from Frame Relay and ATM equipment yield objectionable speech quality Orion Telecom Networks Inc 2009 12 VCL EC 8 x VQE amp E1 Echo Cancellers VCL EC 8 x VQE Echo Canceller per Chassis Features Features e USER PROGRAMMABLE ECHO TAIL DISPLACEMENT Echo tail off set User definable echo tail displacement is selectable between Oms to 512ms on
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