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Digium TE800 Series User Manual Download Page 48

Chapter 3: Configuration 

any channel. So, it is very important that you specify one in the 
system.conf file if you do not have hardware echo cancellers and need 
echo cancellation. The format is: 

echocanceller = <echocanceller name>,<channel(s)> 

A list of valid echo cancellers are specified in the sample system.conf 
file. 

The following is a typical setup for a T1 PRI in the US using software-
based echo cancellation: 

echocanceller = mg2,1-23 

Digium, Inc. 

Page 48 

Summary of Contents for TE800 Series

Page 1: ...TE800 Series TE820B TE820 User Manual 601 00019 Rev A3...

Page 2: ...d error free The manufacturer will if necessary explain issues which may not be covered by this documentation The manufacturer s liability for any errors in the documents is limited to the correction...

Page 3: ...Compliance Information Compliance information for this product is available at http www digium com ccs compliance Digium Inc Page 3...

Page 4: ...um s TE800 Series cards The Digium TE800 Series cards are a T1 E1 capable card series created for voice The cards in this series are as follows Table 1 TE800 Series Cards Model Features Type TE820B TE...

Page 5: ...des instructions for installing the card in your PC acquiring correct drivers and checking device compatibility 3 Configuration Provides examples for configuring dial plan options 4 Troubleshooting Ex...

Page 6: ...es as instructed The ESD symbol indicates electrostatic sensitive devices Observe precautions for handling devices Wear a properly grounded electrostatic discharge ESD wrist strap while handling the d...

Page 7: ...it Do not operate this equipment in a wet environment Heat Do not operate or store this product near heat sources such as radiators air ducts areas subject to direct intense sunlight or other products...

Page 8: ...the Call Center 19 Asterisk in the Network 19 Asterisk Everywhere 20 Chapter 2 Card Installation 21 Unpacking the Card 22 Shipment Inspection 22 Identifying Ports 23 T1 E1 Selection 26 Connecting Timi...

Page 9: ...guring Card Features 42 Configuring T1 E1 Lines 45 Testing Your Configuration 53 Chapter 4 Troubleshooting 54 Appendix A Pin Assignments 60 Appendix B Specifications 63 Appendix C Glossary and Acronym...

Page 10: ...el Bank Application 15 Figure Sample IP Phone Application 16 Figure TE820B 23 Figure TE820 24 Figure Y adapter Dongle 25 Figure Dongle Split End 25 Figure Differential Timing Port Example 28 Figure Le...

Page 11: ...able 1 Card Identifiers 37 Table A 1 TE800 Series RJ45 Telco Port Connector 60 Table A 2 Dongle Split A RJ45 Telco Port Connector 61 Table A 3 Dongle Split B RJ45 Telco Port Connector 62 Table B 4 Max...

Page 12: ...a channel bank connecting to T1 E1 switches or connecting to a legacy PBX The Y adapter dongle that Digium engineered for use with the Digium TE800 Series allows twice the amount of spans to fit in a...

Page 13: ...e Group B Feature Group D FXO and FXS Ground Start Loop Start Loop Start with Disconnect Detect The TE800 Series cards can be used to connect your Asterisk machine to the PSTN world your channel bank...

Page 14: ...ter 1 Overview connect to your network creating a professional telephony environment Figure 2 shows an example of the card s primary application Figure 1 Sample Legacy Phone Application Digium Inc Pag...

Page 15: ...Chapter 1 Overview Figure 2 Sample Channel Bank Application Digium Inc Page 15...

Page 16: ...Chapter 1 Overview Figure 3 Sample IP Phone Application Digium Inc Page 16...

Page 17: ...open source echo cancelers These open source echo cancelers provide a moderate level of echo cancellation but are not capable of dealing with higher levels of or more advanced echoes Digium recommend...

Page 18: ...PBX switching calls managing routes enabling features and connecting callers with the outside world over IP analog POTS and digital T1 E1 J1 BRI connections Asterisk runs on a wide variety of operatin...

Page 19: ...l centers around the world based on its flexibility Call center and contact center developers have built complete ACD systems based on Asterisk Asterisk has also added new life to existing call center...

Page 20: ...ywhere Asterisk has become the basis for thousands of communications solutions If you need to communicate Asterisk is your answer For more information on Asterisk visit http www asterisk org or http w...

Page 21: ...ge 23 T1 E1 Selection on page 26 Connecting Timing Cables on page 27 Slot Compatibility on page 30 Hardware Installation on page 32 Software Installation on page 34 Note The TE800 Series card installa...

Page 22: ...e shipment or proof of damage during shipment Note Only qualified service personnel should install the card Users should not attempt to perform this function themselves The installer must ensure that...

Page 23: ...les via Y adapter dongles Refer to Figure 4 on page 23 and Figure 5 on page 24 to locate the ports and status LEDs Note The TE800 Series cards can be used without Y adapter dongles but only spans 1 th...

Page 24: ...Chapter 2 Card Installation Span Status LEDs Figure 5 TE820 Digium Inc Page 24...

Page 25: ...ng all 8 spans on the TE800 Series cards Refer to Figure 6 and Figure 7 to identify a dongle and its split end ports Pin assignments are available starting on page 60 Figure 6 Y adapter Dongle Split A...

Page 26: ...e drivers are loaded This will set the mode for all spans on the card T1 Mode Recommended Method Include the following in etc modprobe d dahdi conf options wct4xxp default_linemode t1 T1 Mode Alternat...

Page 27: ...Digium 3 position 10 pin timing cable See Figure 8 on page 28 for an example Note Certain previous model Digium products use a Legacy Timing Port instead of the Differential Timing Port P3 connector I...

Page 28: ...Chapter 2 Card Installation Figure 8 Differential Timing Port Example Digium Inc Page 28...

Page 29: ...iming Port Example Caution Only qualified service personnel should continue with hardware installation and configuration of the TE800 Series card Non qualified personnel should not attempt to perform...

Page 30: ...s you have on your motherboard identify them by comparing them to those shown in Figure 10 Slot Number 0 AGP Pro Slot 1 64 bit 5 0 volt PCI Slot 2 64 bit 3 3 volt PCI Slot 3 32 bit 5 0 volt PCI Slot 4...

Page 31: ...e x1 slot and will work in any PCIe revision 1 0 compliant slot including lane lengths x4 x8 and x16 This means that in the motherboard shown in Figure 10 the TE820 TE820B card will fit into Slots 4 5...

Page 32: ...der and insert the card into a PCI Express slot See Figure 11 for an example of card installation Figure 11 Insert the Card 4 Replace the cover to your computer 5 Plug all T1 or E1 equipment cables an...

Page 33: ...Chapter 2 Card Installation Caution This unit must be connected only to the appropriate Telecommunications Network port as approved for use in your specific country Digium Inc Page 33...

Page 34: ...al information on its configuration setup and features please refer to http www asterisk org For the latest information on setting up and configuring DAHDI drivers for your Digium hardware product ple...

Page 35: ...lled any of these Digium recommends that you upgrade to the latest current version of each Note DAHDI 2 6 0 or newer is required If you are using the 1 4 x series of Asterisk you will need Asterisk 1...

Page 36: ...Digium s PCI vendor ID which is d161 The screen output should be similar to the following 04 08 0 Communication controller 0780 Digium Inc Device d161 card identifier rev 02 Note The output from lspc...

Page 37: ...Substitute the version of libpri for the X X in the command line below libpri is available for download from http downloads digium com pub telephony libpri wget http downloads digium com pub telephon...

Page 38: ...downloads digium com pub telephony dahdi linux complete dahdi linux complete current tar gz 5 Expand the downloaded file compile its contents and install the drivers and tools Substitute the version o...

Page 39: ...the X X in the command below Asterisk is available for download from http downloads digium com pub telephony asterisk wget http downloads digium com pub telephony asterisk asterisk X X current tar gz...

Page 40: ...r Asterisk configuration files that you have in the etc asterisk directory If your installation has failed it may be because you are missing one or more of the build dependencies the kernel headers or...

Page 41: ...figurations for PRI channel bank and E M wink These sample configurations are provided to assist you in familiarizing yourself with the flexibility of editing the configuration files to meet your spec...

Page 42: ...T 4ESS 5ess Lucent 5ESS euroisdn EuroISDN ni1 Old National ISDN 1 qsig Q SIG Echocancel Echo Cancellation is enabled in chan_dahdi conf by preceding the channel variable with a variable called echoca...

Page 43: ...lt from choosing a taps length greater than the server s ability to process the echo in real time If audio quality is affected reduce the taps length or combine your TE800 Series card with Digium s VP...

Page 44: ...ignalling pri_cpe switchtype national group 1 context incoming channel 1 23 E1 PRI signalling pri_cpe switchtype euroisdn context incoming channel 1 15 17 31 You can also configure a T1 channel bank o...

Page 45: ...typical setup for a telco in the US loadzone us defaultzone us 3 Configure the SPAN Map For each T1 E1 you are using you will need to define a span The SPAN map includes defining the SPAN number timi...

Page 46: ...card to use as timing Since only one source of timing is valid per card this value defines a priority that determines which span recovers a clock in the case that multiple are defined 1 is the highes...

Page 47: ...8zs In Europe span 1 1 0 ccs hdb3 4 Specify the channel definitions The format is device channel list A list of valid devices are specified in the sample system conf file The following is a typical se...

Page 48: ...hardware echo cancellers and need echo cancellation The format is echocanceller echocanceller name channel s A list of valid echo cancellers are specified in the sample system conf file The following...

Page 49: ...the channel bank and fxoks is set for 24 stations Set chan_dahdi conf to mirror the configuration with signalling fxo_ks and define it for channels 1 24 etc dahdi system conf loadzone us defaultzone...

Page 50: ...an_dahdi conf mirrors the configuration Feat_D is a type of E M with wink that accepts DID but there are many other E M options E M_W E M Feat_B etc etc dahdi system conf loadzone us defaultzone us sp...

Page 51: ..._dahdi conf file define pri_cpe as the signalling type to act as the client side Define the switch type you are connecting to as national You will then have 23 voice channels for Asterisk PRI T1 etc d...

Page 52: ...nf loadzone es defaultzone es span 1 1 0 ccs hdb3 bchan 1 15 17 31 dchan 16 echocanceller mg2 1 15 17 31 etc asterisk chan_dahdi conf group 1 echocancel yes signalling pri_cpe switchtype euroisdn cont...

Page 53: ...s is wct4xxp Users in all countries except Australia should use the following modprobe command modprobe wct4xxp dahdi_cfg vv 2 Run dahdi_tool from the command line and see if the span turns green for...

Page 54: ...chronizing or is receiving a red alarm from the far end Use a software tool such as dahdi_tool to get a textual description of the state of the card Steady Red Card is not seeing far end circuit is no...

Page 55: ...g parameters correctly Also check the common causes of problems for a T1 See the Common Fixes for all cards page 58 I have trouble dialing out It seems that one type of dialing works local long distan...

Page 56: ...in this situation is to test your equipment Plug in a loopback cable A loopback cable is a cable that has pin 1 going to pin 4 and pin 2 going to pin 5 Plug the cable into the span and wait for its LE...

Page 57: ...want to test You should always test the first channel of a span The second argument is the duration in seconds to run the test This runs a pattern looptest for x seconds If you receive any failures i...

Page 58: ...l cards 1 Check to see if the X Window System e g X Org Server is running by entering the following ps aux grep X If the X Window System is running stop the application since it may cause a conflict w...

Page 59: ...8 6161 or Toll Free in the U S 1 877 344 4861 is available 7am 8pm Central Time GMT 6 Monday Friday 2 Asterisk users mailing list asterisk org lists digium com 3 IRC channel asterisk on irc freenode n...

Page 60: ...ble A 1 Table A 1 TE800 Series RJ45 Telco Port Connector Pin Description Pin 8 Pin 1 1 Rx Pin 1 on Dongle Split A 2 Rx Pin 2 on Dongle Split A 3 Tx Pin 4 on Dongle Split B 4 Tx Pin 4 on Dongle Split A...

Page 61: ...Appendix A Pin Assignments Table A 2 Dongle Split A RJ45 Telco Port Connector Pin Description Pin 8 Pin 1 1 Rx 2 Rx 3 Not used 4 Tx 5 Tx 6 Not used 7 Not used 8 Not used Digium Inc Page 61...

Page 62: ...Appendix A Pin Assignments Table A 3 Dongle Split B RJ45 Telco Port Connector Pin Description Pin 8 Pin 1 1 Rx 2 Rx 3 Not used 4 Tx 5 Tx 6 Not used 7 Not used 8 Not used Digium Inc Page 62...

Page 63: ...Size 6 6 3 93 0 062 16 8 x 10 x 0 16 cm PCB size does not include the PCI bracket Weight 4 5 oz 127gm Without Echo Cancellation Module Interfaces Local Loop Access E1 T1 J1 PRI RJ45 TE820 PCI E X1 com...

Page 64: ...nd Software Requirements Equivalent of Pentium dual core 1 8GHz processor or better 2GB RAM Available PCI E TE820 Slot Table B 4 Maximum Power Consumption Model Power TE820B 8 6 Watts TE820 4 Watts VP...

Page 65: ...ndards for international communications asynchronous Not synchronized not timed to an outside clock source Transmission is controlled by start bits at the beginning and stop bits at the end of each ch...

Page 66: ...s the bandwidth of a particular medium copper or fiber optic to integrate multiple signals The channels take up different frequencies on the cable integrating voice data and video over one line channe...

Page 67: ...ll local access lines in a particular geographic area terminate at this facility which is usually owned and operated by an ILEC CPE Customer Premises Equipment Terminal equipment which is connected to...

Page 68: ...T1 E1 lines are part of the PSTN DS3 Digital Signal Level 3 T3 in North America and Japan E3 in Europe Up to 672 voice channels DS0s DS3 T3 E3 lines are not part of the PSTN DTMF Dual Tone Multi Frequ...

Page 69: ...ector ITU T for an algorithm designed to transmit and receive mulaw PCM voice and A law at a digital bit rate of 64 kbps G 723 1 A recommendation by the Telecommunication Standardization Sector ITU T...

Page 70: ...Low Bitrate Codec A free speech codec used for voice over IP It is designed for narrow band speech with a payload bitrate of 13 33 kbps frame length 30ms and 15 2 kbps frame length 20ms ILEC Incumbent...

Page 71: ...teway Control Protocol multiplexing Transmitting multiple signals over a single line or channel FDM frequency division multiplexing and TDM time division multiplexing are the two most common methods F...

Page 72: ...ier POTS Plain Old Telephone Service The public switched telephone network PSTN is the network of the world s public circuit switched telephone networks Originally a network of fixed line analog telep...

Page 73: ...elephone services QoS Quality of Service A set of quality requirements for telephone service RBOC Regional Bell Operating Companies The creation of Regional Bell Operating Companies were a result of A...

Page 74: ...ty which consists of 28 T1 lines and transmits data at 44 736 Mbps Equivalent to 672 voice channels DS0s TDM Time Division Multiplexer A device that supports simultaneous transmission of multiple data...

Page 75: ...plug twisted pair Two copper wires commonly used for telephony and data communications The wires are wrapped loosely around each other to minimize radio frequency interference or interference from ot...

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