Digium TE120 Series User Manual
Contents
1. Remote offices Figure 1 Sample Legacy Phone Application Figure 2 Sample IP Phone Application Digium Inc Page 16 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 1 Overview Echo Cancellation Users connecting their TE120 Series cards to the PSTN or other devices are likely to be placing calls that will result at some point in an unbalanced 4 wire 2 wire hybrid The result of this hybrid is the reflection of a near end echo to the calling party Elimination of this echo is the responsibility of echo cancellation The TE120 Series cards unless otherwise equipped utilize Asterisk to perform software based echo cancellation Asterisk maintains a number of 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 recommends that those users concerned about echo cancellation purchase the VPMADT032 hardware echo cancellation module The VPMADTO32 may be combined with both the TE121 and TE122 cards it may not be combined with the TE120P card The TE121 and TE122 are offered bundled with the VPMADT032 as respectively TE121B TE122B The VPMADTO032 is designed to handle up to 128ms of echo cancellation across all channels and provides a G 168 complia2. 0 1245 808299 Appendix C Glossary and Acronyms iLBC internet 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 20 ms ILEC incumbent local exchange carrier The LECs that were the original carriers in the market prior to the entry of competition and therefore have the dominant position in the market interface A point of contact between two systems networks or devices ISO International Standards Organization LED light emitting diode Linux A robust feature packed open source operating system based on Unix that remains freely available on the internet It boasts dependability and offers a wide range of compatibility with hardware and software Asterisk is supported exclusively on Linux loopback A state in which the transmit signal is reversed back as the receive signal typically by a far end network element Digium Inc Page 67 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Appendix C Glossary and Acronyms MGCP Media Gateway 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 FDM separates signals by dividing the data onto different carrier frequencies and TDM separates signals by inte
3. Configuration Third Example PRI By configuring the card for a T1 PRI line in system conf you acquire 23 bearer B channels for voice on the first 23 channels and 1 delta D channel for signalling information on the 24th channel In the chan_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 dahdi system conf loadzone us defaultzone us span 1 1 0 esf b8zs bchan 1 23 dchan 24 echocanceller mg2 1 23 etc asterisk chan dahdi conf group 1 echocancel yes signalling pri cpe switchtype national context incoming channel 1 23 Digium Inc Page 47 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 3 Configuration PRI E1 etc dahdi system conf loadzone es defaultzone es span 1 1 0 ccs hdb 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 context incoming channel 1 15 17 31 Digium Inc Page 48 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 3 Configuration Fourth Example Data Mode Data mode is a little different than the other options The system conf is configured as follows loadzone us defaul
4. 0 0 eee eee 41 Testing Your Configuration 51 Chapter 4 Troubleshooting 222 606 0000 rol eee re Rx RE 53 Appendix A Pin Assignments lseeeeeeeee RI I III 59 Appendix B Specifications suce RR RE REX E ame eR 60 Appendix C Glossary and Acronyms l l ene 62 Digium Inc Page 11 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 List of Figures Figure 1 Sample Legacy Phone Application 16 Figure 2 Sample IP Phone Application 16 Figure 3 TET2OP Gard i cues et e eee irae eo 23 Figure 4 TE121 Card with Echo Cancellation Module 24 Figure 5 TE122 Card with Echo Cancellation Module 25 Figure 6 Motherboard Slots 26 Figure 7 Insert the Card se A AE PA eh 28 Figure 8 Example dmesg Output 51 Digium Inc Page 12 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 List of Tables Table 1 Card Identifiers llli 32 Table A 1 RJ45 Telco Port Connector 59 Table B 2 Maximum Power Consumption 61 Digium Inc Page 13 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 1 Overview The Digium TE120 Series cards are a T1 E1 capable card series created for voice and data They support industry standard protocols including
5. 39 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 3 Configuration Signalling pri_cpe for CPE side pri_net for NET side If you have a T1 PRI add these lines to the following lines of the sample file signalling pri_cpe switchtype national group 1 context incoming channel gt 1 23 El PRI signalling pri_cpe switchtype euroisdn context incoming channel gt 1 15 17 31 You can also configure a T1 channel bank of phones signalling fxo_ks group 1 context phones channel gt 1 24 E1 channel bank signalling fxo_ks group 1 context phones channel gt 1 15 17 31 Note More detailed troubleshooting information is provided on http www asterisk org Digium Inc Page 40 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 3 Configuration Configuring T1 E1 Lines 1 Begin by opening the system conf file from the etc dahdi directory 2 Specify the two letter country code for your loadzone and defaultzone This will preload tone zone data and specify a default tone zone for your interfaces The following is a typical setup for a telco in the US loadzone us defaultzone us 3 Configure the SPAN Map You will need to define a span The SPAN map includes defining the SPAN number timing line build out framing and coding Configuration details for each of these items
6. 808195 Fax 44 0 1245 808299 Chapter 3 Configuration Testing Your Configuration 1 Load DAHDI drivers into the kernel using the modprobe utility The appropriate driver for the TE120 Series cards is wete12xp Users in all countries except Australia should use the following modprobe command modprobe wctel2xp dahdi cfg vv dmesg ACPI PCI interrupt 0000 01 00 0 A gt GSI 21 level low gt IRQ 209 PCI Config reg is 02900117 wctel20p New Reg fe590000 Detected REGO 00000100 Detected REG1 00007849 Detected REG2 0000001d pre Reg fc is 50000027 Detected REGO OO000ffff post Reg fc is 50000024 Detected REG2 O0000ffff wctel20p reg is a04c0004 TE120P FALC version 00000000 TE120P Setting up global serial parameters for T1 FALC V1 2 TE120P Successfully initialized serial bus for card Found a Wildcard TE Wildcard TE120P Figure 8 Example dmesg Output Note Output as shown above may vary depending on the TE120 Series card you use Digium Inc Page 51 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 3 Configuration 2 Run dahdi_tool from the command line and see if the span turns green for each span you have connected dahdi_tool 3 Execute the following Asterisk command to see if the span came up successfully asterisk asterisk vvvr Digium Inc Page 52 VolPon www voipon co uk sales voipon co uk Tel 44 0 12
7. discontinuance of service may be required But if advance notice is not practical the telephone company will notify you as soon as possible Also you will be advised of your right to file a complaint with the FCC if you believe it is necessary The telephone company may make changes in its facilities equipment operations or procedures that could affect the operation of the equipment If this happens the telephone company will provide advance notice in order for you to make necessary modifications to maintain uninterrupted service Digium Inc Page 4 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 The following information may be required when applying to the telephone company for service Reg Number Service Type SOC FIC USOC US 1 544 Mbps SF 6 0N 04DU9 BN RJ 48C DIGDENANTEI20P 1 544 Mbps SF and B8ZS 04DU9 DN 1 544 Mbps ESF 04DU9 1KN 1 544 Mbps ESF and B8ZS 04DU9 1SN If you experience problems with the TE120 Series contact Digium Inc Technical Support 1 256 428 6161 for repair and or warranty information If the equipment is causing harm to the telephone network the telephone company may request that you disconnect the equipment until the problem is resolved FCC Part 15 This device complies with part 15 of FCC rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 This devic
8. home or office of the customer This includes telephones modems terminals routers and television set top boxes DAHDI Digium Asterisk Hardware Device Interface A telephony project dedicated to implementing a reasonable and affordable computer telephony platform into the world marketplace Also the collective name for the Digium provided drivers for Digium telephony interface products DSO Digital Signal Level 0 A voice grade channel of 64 Kbps The worldwide standard speed for digitizing voice conversation using PCM Pulse Code Modulation DS1 Digital Signal Level 1 1 544 Mbps in North America T1 and Japan J1 up to 24 voice channels DSOs 2 048 Mbps in Europe E1 up to 32 voice channels DSOs DS1 T1 E1 lines are part of the PSTN Digium Inc Page 64 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Appendix C Glossary and Acronyms DS3 Digital Signal Level 3 T3 in North America and Japan E3 in Europe Up to 672 voice channels DSOs DS3 T3 E3 lines are not part of the PSTN DTMF Dual Tone Multi Frequency Push button or touch tone dialing E1 The European equivalent of North American T1 transmits data at 2 048 Mbps up to 32 voice channels DSOs E3 The European equivalent of North American T3 transmits data at 34 368 Mbps up to 512 voice channels DSOs Equivalent to 16 E1 lines EMI Electromagnetic Interference Unwanted electrical noise pres
9. specificati C Glossary and A list of terms and acronyms used throughout this Acronyms manual Digium Inc Page 6 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Symbol Definitions Caution statements indicate a condition where damage to the unit or its configuration could occur if operational procedures are not followed To reduce the risk of damage or injury follow all steps or procedures as instructed gt The ESD symbol indicates electrostatic sensitive devices Observe precautions for handling devices Wear a properly grounded electrostatic discharge ESD wrist strap while handling the device AA The Electrical Hazard Symbol indicates a possibility of electrical shock when operating this unit in certain situations To reduce the risk of damage or injury follow all steps or procedures as instructed Digium Inc Page 7 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Important Safety Instructions User Cautions Servicing Do not attempt to service this card unless specifically instructed to do so Do not attempt to remove the card from your equipment while power is present Refer servicing to qualified service personnel Water and Moisture Do not spill liquids on this unit 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 subj
10. 45 808195 Fax 44 0 1245 808299 Chapter 4 Troubleshooting This chapter provides frequently asked questions as identified from Digium Technical Support and possible resolutions Multiple resources are available to obtain more information about Asterisk and Digium products These resources are listed on page 58 What do the Status LED colors indicate m Green Card is in sync with the far end a Yellow Card is synchronizing 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 a Red Card is not seeing far end circuit is not up or cable is bad I can t receive DID calls even though I have it enabled in extensions conf Your telco might be sending calls with a method you are not expecting 1 Check the method being used by attempting the following in your line context X 1 NoOp My DID matches as EXTEN Digium Inc Page 53 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 4 Troubleshooting 2 Then type reload in the Asterisk console and call in You should see the DID come in on your T1 E1 line My D Channel seems to go up and down Check to be sure you have set your timing parameters correctly Also check the common causes of problems for a T1 See the Common Fixes for all cards page 57 I have trouble dialing out It seems that one type of dialing works local long
11. 808195 Fax 44 0 1245 808299 Chapter 3 Configuration First Example Channel Bank The Channel Bank in this example has 24 FXS ports In this configuration the system conf is set for the card to provide timing to 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 us span 1 0 0 esf b8zs fxoks 1 24 echocanceller mg2 1 24 etc asterisk chan_dahdi conf group 1 echocancel yes context channelbank signalling fxo_ks channel 1 24 Digium Inc Page 45 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 3 Configuration Second Example E amp M Line In the E amp M Line configuration the system conf is set for the card to take timing from the telco on E amp M with wink while chan_dahdi conf mirrors the configuration Feat_D is a type of E amp M with wink that accepts DID but there are many E amp M options E amp M_W E amp M Feat B etc etc dahdi system conf loadzone us defaultzone us span 1 1 0 esf b8zs e amp m 1 24 echocanceller mg2 1 24 etc asterisk chan_dahdi conf group 1 echocancel yes context incoming signalling feat_d channel 1 24 Digium Inc Page 46 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 3
12. Linux However many other distributions are supported by Digium Technical Support Digium s software including drivers and application software may be obtained from Digium s download server at http downloads digium com For an introduction to Asterisk Digium s telephony software including additional 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 please refer to the latest release of this manual which is available from the product specific documentation Digium Inc Page 29 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 2 Card Installation section at http www digium com To install your TE120 Series card you will need m Linux 2 6 kernel headers m Development libraries and headers for ncurses a Development libraries and headers for zlib and openssl m Development libraries and headers for newt GCC and standard software build tools It is recommended that you use the most recent version of the Asterisk DAHDI and libpri software for the best results If you have previously installed any of these Digium recommends that you upgrade to the latest current version of each If you are using the 1 4 x series of Asterisk you will need Asterisk 1 4 22 or newer Digium Inc Page 30 VolPon www vo
13. Robbed Bit Signaling also known as CAS or Channel Associated Signaling CCS Common Channel Signaling E amp M Primary Rate ISDN PRD and several data modes PPP HDLC Cisco HDLC and frame relay The TE120 Series cards are capable of running in E1 T1 or J1 modes Designed to be fully compatible with existing software applications and integrate fully with the Asterisk platform the TE120 Series cards allow many advanced call features Data Modes Cisco HDLC HDLC PPP Multilink PPP Frame Relay Digium Inc Page 14 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 1 Overview Voice Modes m PRI CPE and PRI NET NII N2 EuroISDN 4ESS AT amp T SESS Lucent DMS100 Q SIG a E amp M Wink Feature Group B Feature Group D a FXO and FXS Ground Start Loop Start Loop Start with Disconnect Detect The TE120 Series cards can be used to connect your Asterisk machine to the PSTN world your channel bank or even another PB X This is accomplished via a T1 E1 interface The cards allow Asterisk software to connect to your network creating a professional telephony environment Figure 1 and Figure 2 show examples of the card s application Digium Inc Page 15 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 1 Overview
14. co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Appendix C Glossary and Acronyms broadband Broadband transmission shares 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 channel A generic term for an individual data stream Service providers can use multiplexing techniques to transmit multiple channels over a common medium Cat5 Category of Performance for wiring and cabling Cat 5 cabling support applications up to 100 MHz Cat5E Category of Performance for wiring and cabling Category 5 Enhanced wiring supports signal rates up to 100 MHz but adheres to stricter quality specifications CLEC competitive local exchange carrier A term for telephone companies established after the Telecommunications Act of 1996 deregulated the LECs CLECs compete with ILECs to offer local service See also LEC and ILEC Digium Inc Page 63 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Appendix C Glossary and Acronyms CO central office The CO houses local switching equipment All 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 the telecommunications network and which resides within the
15. dependencies the kernel headers or the development tools Please contact your reseller where the card was purchased or call Digium Technical Support at 1 256 428 6161 for assistance 4 Complete instructions for installing Asterisk are available at www asterisk org Digium Inc Page 36 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 3 Configuration The TE120 Series cards have a variety of configuration options This chapter provides configurations for PRI channel bank E amp M wink and finally data mode These sample configurations are provided to assist you in familiarizing yourself with the flexibility of editing the configuration files to meet your specific needs The list of possible configurations is too expansive to cover in this user manual Digium Inc Page 37 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 3 Configuration Configuring Card Features You will need to modify the chan_dahdi conf file which is located in the etc asterisk directory in order to configure the essential features of your card This file is the configuration layer between DAHDI and Asterisk Switchtype national National ISDN 2 default dms100 Nortel DMS100 4ess AT amp T 4ESS 5ess Lucent 5ESS euroisdn EuroISDN nil Old National ISDN 1 qsig Q SIG Echocancel Echo Cancellation is enabled in chan dahdi conf by preceding the c
16. digium TE120 Series TE120P TE121 TE122 ES SEES User Manual 601 00010 Rev C VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 digium Digium Inc 2009 All rights reserved No part of this publication may be copied distributed transmitted transcribed stored in a retrieval system or translated into any human or computer language without the prior written permission of Digium Inc Digium Inc has made every effort to ensure that the instructions contained in this document are adequate and 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 of errors and the aforementioned advisory services This document has been prepared for use by professional and properly trained personnel and the customer assumes full responsibility when using it Adobe and Acrobat are registered trademarks and Acrobat Reader is a trademark of Adobe Systems Incorporated Asterisk Digium Switchvox and AsteriskNOW are registered trademarks and Asterisk Business Edition AsteriskGUI and Asterisk Appliance are trademarks of Digium Inc Any other trademarks mentioned in the document are the property of their respective owners Digium Inc Page 2 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Safety Certificatio
17. distance international but another does not Check your pridialplan variable and verify that you are dialing using the method your telco is expecting I am having trouble receiving DID information over E amp M Try the other types of E amp M featd featb etc to match the method your telco is using to stream information I am having issues with my PRI How can I see the messages coming across my D channel Enter the following command CLI gt PRI debug span X where X is the port from which you are connected This command will show you the PRI messages coming across your D channel for that span Digium Inc Page 54 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 4 Troubleshooting I am still having problems and the telco tells me it is my equipment The first thing to do in this situation is to test your equipment 1 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 LED to turn green 2 Stop Asterisk and edit system conf by removing the lines defined for your card and replacing them with the following span gt 1 0 0 esf b8zs clear 1 24 Or if you have an E1 span span gt 1 0 0 ccs hdb3 clear 1 31 3 Navigate to the tools directory in your DAHDI complete source directory and type make tests Followed by Digium Inc Page 55 VolPo
18. e Asterisk in the Network Internet Telephony Service Providers ITSPs competitive local exchange carriers CLECS and even first tier incumbents have discovered the power of open source communications with Asterisk Feature servers hosted services clusters voicemail systems pre paid calling solutions all based on Asterisk have helped reduce costs and enabled flexibility Asterisk Everywhere 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 www digium com Digium Inc Page 19 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 2 Card Installation This chapter provides the following information Unpacking the Card on page 21 Shipment Inspection on page 22 Identifying Features on page 22 T1 E1 Selection on page 22 Slot Compatibility on page 26 Hardware Installation on page 28 Software Installation on page 29 Installing Asterisk on page 35 Note The TE120 Series card installation instructions are written so that they will apply to any card in the series Examples and card specific information are included as needed Digium Inc Page 20 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 2 Card Installation Unpacking the Card When you unpack your card carefully inspec
19. e must accept any interference received including interference that may cause undesired operation Industry Canada Compliance Information The Industry Canada label applied to the product identified by the Industry Canada logo or the IC in front of the certification registration number indicates that the Industry Canada technical specifications were met Digium Inc Page 5 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Introduction to TE120 Series Documentation This manual contains product information for the TE120 Series of cards TE120P TE121 and TE122 Be sure to refer to any supplementary documents or release notes that were shipped with your equipment The manual is organized in the following manner Chapter P Title Description Appendix 1 Overview Identifies your card s features This chapter also covers applications and uses for the TE120 Series card in the real world 2 Card Installation Provides instructions for installing the card in your PC acquiring correct drivers and checking device compatibility 3 Configuration Provides instructions for configuring your card 4 Troubleshooting Explains resolutions to common problems and frequently asked questions pertaining to card installation and usage A Pin Assignments Lists the connectors and pin assignments ecifications etails card specifications B Specificati Details card
20. ect to direct intense sunlight or other products that produce heat Static Electricity To reduce the risk of damaging the unit or your equipment do not attempt to open the enclosure or gain access to areas where you are 4 not instructed to do so Refer servicing to qualified service personnel bee b Save these instructions for future reference Service Personnel Cautions Warning This card must be used with the PC lid screwed down Telecommunications network voltages exist inside the PC The PC must be shut down and telecommunications line connection shall be removed before opening the PC Electrical Shock To reduce the risk of injury damage to the unit or your equipment do not attempt to touch the modules while they are powered The case should be securely closed before power is applied to the unit gt gt Digium Inc Page 8 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Service Personnel Cautions Servicing Disconnect telecommunications network cable before opening the cover or removing the card from the motherboard Labeling For safety reasons only connect equipment with a Telecommunications Compliance label This includes customer equipment previously labelled Permitted or Certified Caution Only connect regulatory equipment approved for use in your specific country to the telecommunications network voltage circuit ports Caution This ca
21. ent on a power line full duplex Data transmission in two directions simultaneously FXO Foreign Exchange Office Receives the ringing voltage from an FXS device FXS Foreign Exchange Station Initiates and sends ringing voltage Digium Inc Page 65 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Appendix C Glossary and Acronyms G 711 A recommendation by the Telecommunication Standardization Sector ITU T for an algorithm designed to transmit and receive mulaw PCM voice and A law at a digital bit rate of 64 Kbps This algorithm is used for digital telephone sets on digital PBX G 723 1 A recommendation by the Telecommunication Standardization Sector ITU T for an algorithm designed to transmit and receive audio over telephone lines at 6 3 Kbps or 5 3 Kbps G 729a A recommendation by the Telecommunication Standardization Sector ITU T for an algorithm designed to transmit and receive audio over telephone lines at 8 Kbps H 323 A recommendation by the Telecommunication Standardization Sector ITU T for multimedia communications over packet based networks IAX Inter Asterisk eXchange The native VoIP protocol used by Asterisk It is an IETF standard used to enable VoIP connections between Asterisk servers and between servers and clients that also use the IAX protocol Digium Inc Page 66 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44
22. from a PBX including many advanced features that are often associated with high end and high cost proprietary PBXs Asterisk s architecture is designed for maximum flexibility and supports Voice over IP in many protocols and can interoperate with almost all standards based telephony equipment using relatively inexpensive hardware Asterisk as a Gateway It can also be built out as the heart of a media gateway bridging the legacy PSTN to the expanding world of IP telephony Asterisk s modular architecture allows it to convert between a wide range of communications protocols and media codecs Digium Inc Page 18 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 1 Overview Asterisk as a Feature Media Server Need an IVR Asterisk s got you covered How about a conference bridge Yep It s in there What about an automated attendant Asterisk does that too How about a replacement for your aging legacy voicemail system Can do Unified messaging No problem Need a telephony interface for your web site Ok Asterisk in the Call Center Asterisk has been adopted by call 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 solutions by adding remote IP agent capabilities advanced skills based routing predictive and bulk dialing and mor
23. h caution as the man page states that hard drive corruption can occur when using incorrect settings Please review the man page for hdparm and make sure you understand the risks before using this tool Check the current mode using this command hdparm vi dev IDE Device Use this command to set the drives into UDMA2 mode hdparm d 1 X udma2 c 3 dev IDE Device If you are still having problems contact your reseller from which the card was purchased or Digium Technical Support at 1 256 428 6161 Digium Inc Page 57 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 4 Troubleshooting Where can I find answers to additional questions There are several places to inquire for more information about Asterisk Digium products 1 Digium Technical Support at 1 256 428 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 net Subscription Services Program Digium is dedicated to supporting your Asterisk system by offering full technical support through our Subscription Services Program Through this program you can be at ease knowing that your business will always have access to the Asterisk experts Pricing on Subscription Services may be obtained from your nearest reseller or you may call Digium Sales fo
24. hannel variable with a variable called echocancel and its length in taps 3 of milliseconds multiplied by 8 for example echocancel yes channel 1 23 By default and when setting to yes echo cancellation is enabled and set to 16 ms 128 taps Echo cancellation is explicitly disabled by setting echocancel no Digium does not recommend that users set echo cancellation to no Users of open source Asterisk based echo cancelers also have the following options echocancel 128 this sets 128 taps or 16ms Digium Inc Page 38 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 3 Configuration or echocancel 256 this sets 256 taps or 32ms Users of Digium s HPEC software have the following additional options echocancel 512 this sets 512 taps or 64ms or echocancel 1024 this sets 1024 taps or 128ms Please note that HPEC consumes extremely high amounts of CPU MIPS that increase as the number of taps are increased Audio quality issues may result 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 purchase a TE121 or TE122 with Digium s VPMADT032 Users of Digium s VPMADTO032 hardware echo cancellation module will have 128ms of echo cancellation performed at all times unless explicitly disabled by setting the echocancel variable equal to no Digium Inc Page
25. he end for CRC4 checking Yellow The optional yellow flag can be added at the end for transmitting a yellow alarm when no channels are open The following is a typical setup for a telco in the US span gt 1 1 0 esf b8zs In Europe span gt 1 1 0 ccs hdb3 4 Specify the channel definitions The format is lt device gt lt channel list gt A list of valid devices are specified in the sample system conf file The following is a typical setup for a T1 PRI in the US bchan 1 23 dchan 24 5 DAHDI uses modular echo cancellers that are configured per channel The echo cancellers are compiled and installed as part of the dahdi linux package You can specify the echo canceller to be used for each channel The default behavior is for there to be no echo canceller on Digium Inc Page 43 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 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 lt echocanceller name gt lt channel s gt 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 44 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245
26. igium Inc Page 34 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 2 Card Installation Installing Asterisk If you wish to use Asterisk with your new hardware you can follow the instructions below 1 Download the latest release version of Asterisk either 1 4 22 or later or 1 6 0 1 or later Substitute the version of Asterisk for 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 2 Expand the downloaded file compile its contents and install the application Substitute the version of Asterisk for the the X X and X X X in the command lines below tar zxvf asterisk X X current tar gz cd asterisk X X X configure make menuselect make dE db db xb db od make install Digium Inc Page 35 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 2 Card Installation 3 If this is the first Asterisk installation on this system you should install the sample configuration files To do this run make samples Note Running this command will overwrite after making a backup copy any older 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
27. ion 1 Now that you are acquainted with the TE120 Series cards power down your computer and unplug it from its power source 2 Attach a static strap to your wrist and open the case 3 Check the jumper setting to ensure it matches your equipment configuration Setting the jumper with the jumper strap on enables the ports for E1 Setting the jumper with the jumper strap off enables the ports for T1 4 Remove the bracket place holder and insert the card into a PCI or PCI Express slot See Figure 7 for an example of card installation Figure 7 Insert the Card 5 Replace the cover to your computer Digium Inc Page 28 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 2 Card Installation 6 Plug the T1 or El equipment cable into the RJ45 port Note It is recommended that you use shielded cables Caution This unit must be connected to the Telecommunications N Network in your country using an approved line cord e g for Australia use only line cords complying with ACA Technical Standard TS008 Caution This unit must be connected only to the appropriate Telecommunications Network port as approved for use in your specific country Software Installation Digium hardware requires drivers and libraries that are not integrated with the Linux kernel Digium hardware is only supported under Linux Digium recommends CentOS Debian Red Hat and Ubuntu distributions of
28. ipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 2 Card Installation 1 After the machine has booted to Linux log in and execute the following command to list the devices detected by the PCI bus lspci n 2 Confirm that the output from Ispci lists a device with Digium s PCI vendor ID which is d161 The screen output should be similar to the following 0000 01 00 0 0200 ISDN controller Unknown device d161 lt card identifier Note The output from Ispci may or may not state Unknown device If it does this does not indicate a problem In the PCI device listing shown above lt card identifier gt will be populated with one of the identifiers listed in the table below Digium Inc Page 31 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 2 Card Installation Table 1 Card Identifiers Model Identifier TE120P 0120 TE121 8000 TE122 8001 A Digium TE120 Series TE120P TE121 TE122 card identifier should be listed If a matching card identifier is not listed then your machine is not PCI 2 2 or higher or PCI Express compatible and the card will not work with your motherboard 3 Download the latest version of libpri 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 dow
29. is explained in this section span gt Number Timing Line Build Out lt Framing gt lt Coding gt Yellow Number This is the port the T1 E1 is plugged into The TE120 Series cards only have one port If you have a single TE120 Series card installed in the system you should specify 1 as the span number Digium Inc Page 41 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 3 Configuration Timing This determines how timing is handled by the card 0 Card provides its own timing 1 Receives timing from remote end 2 Receives secondary backup timing from remote end 3 Receives tertiary backup timing from remote end 4 Receives quaternary backup timing from remote end Only one span can be defined to take timing and it defines timing for the rest of the card s spans Line Build Out For most setups the line build out is 0 0 db CSU 0 133 feet DSX 1 133 266 feet DSX 1 266 399 feet DSX 1 399 533 feet DSX 1 533 655 feet DSX 1 7 5db CSU 15db CSU 22 5db CSU Na nak WN FS Framing T1 utilizes framing set for D4 SF or ESF E1 utilizes CAS or CCS Digium Inc Page 42 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 3 Configuration Coding T1 coding can be AMI or B8ZS E1 coding can be AMI or HDB3 E1 can also have the extra flag CRC4 at t
30. k sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 2 Card Installation Slot Compatibility Check the type of card you received to be sure it is compatible with your PCI slot To determine which slot you have identify it by comparing it to those shown in Figure 6 on page 26 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 PCI Express X1 Slot Figure 6 Motherboard Slots Digium Inc Page 26 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 2 Card Installation The TE120 and TE122 cards are 32 bit 33MHz cards keyed for universal 3 3 volt or 5 0 volt operation and works in any PCI 2 2 or greater compliant slot This means that in the motherboard shown in Figure 6 the TE120 Series and TE122 cards will fit into Slots 1 2 or 3 PCI slots but will not fit into Slot 0 AGP slot The TE121 card is a PCI Express card Slot 4 illustrated above is a 1 lane X1 PCI Express compliant slot The TE121 will work in any PCI Express compliant slot including lane lengths X1 X4 X8 and X16 This means that in the motherboard shown in Figure 6 the TE121 will only fit into Slot 4 The TE121 can not be used in Slots 0 through 3 Digium Inc Page 27 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 2 Card Installation Hardware Installat
31. n and Agency Approvals Safety UL 60950 1 2003 First Edition CSA C22 2 No 60950 1 03 Ist Ed April 1 2003 IEC 60950 1 2001 First Edition EN 60950 Note Canada Finland Norway Sweden and the United States of America require that equipment using this product must be located in a Restricted Access Location RAL Telecom FCC Part 68 ANSIATA 968 A Including Amendment A1 and A2 Industry Canada CS 03 AS ACIF S016 2001 AS ACIF S038 2001 TBR4 November 1995 as amended by TBR4 A1 December 1997 TBR12 December 1993 TBR13 January 1996 EMC EN 55022 1998 Class B and 47 CFR Part 15 Subpart B Class B Radiated and Conducted EN 55024 1998 IEC 61000 Digium Inc Page 3 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Federal Communications Commission Part 68 This equipment complies with Part 68 of the FCC rules and the requirements adopted by the ACTA On the back of your TE120 Series printed circuit board is a label that contains among other information a product identifier in the format US AAAEQ TXXXxX If requested this number must be provided to the telephone company A plug and jack used to connect this equipment to the premises wiring and telephone network must comply with the applicable FCC Part 68 rules and requirements adopted by the ACTA If your TE120 Series card causes harm to the telephone network the telephone company may notify you in advance that temporary
32. n www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 4 Troubleshooting 4 patlooptest dev dahdi 1 60 The first argument in the patlooptest command is the device for the channel number you 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 60 seconds If you receive any failures it is possible you have a bad card and will need to call Digium Technical Support at 1 256 428 6161 How can I enable more features To view all of the options available to add to your dial plan type the following commands from within Asterisk CLI gt core show applications CLI gt core show functions Digium also offers services to help configure and add features you might need Contact Digium Technical Support at 1 256 428 6161 for more information Digium Inc Page 56 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 4 Troubleshooting Common Fixes for all 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 with Asterisk 2 Check to see if your PATA IDE hard drives are running with DMA levels set Advance user can perform an hdparm on your hard drive interface Use hdparm wit
33. nloads digium com pub telephony libpri libpri X X current tar gz 4 Expand the downloaded file compile its contents and install the libraries Substitute the version of libpri for the X X and X X X in the Digium Inc Page 32 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 2 Card Installation command lines below tar zxvf libpri X X current tar gz cd libpri X X X make make install dE db xbox Note There is no coorelation between the versioning of libpri and Asterisk The libpri 1 4 branch will function with the Asterisk 1 6 branch 5 Download the latest DAHDI drivers with tools DAHDI is available for download from http downloads digium com pub telephony dahdi linux complete wget http downloads digium com pub telephony dahdi linux complete dahdi linux complete current tar gz Digium Inc Page 33 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 2 Card Installation 6 Expand the downloaded file compile its contents and install the drivers and tools Substitute the version of DAHDI for the X X X in the command lines below tar zxvf dahdi linux complete current tar gz cd dahdi linux complete X X X X X X make make install make config dE dE db db tk Note Executing make config will install an init script and symlinks which will allow you to start and stop DAHDI as a service D
34. nt echo cancellation solution If equipped and not explicitly disabled in chan dahdi conf the VPMADTO32 will automatically operate and cancel all network echo within its tail range 1024 taps Users of TE120P cards which do not maintain the capability to support the VPMADTO32 may also purchase Digium s commercial HPEC software http www digium com en products software hpec php Digium Inc Page 17 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 1 Overview What is Asterisk Asterisk is the world s leading open source telephony engine and tool kit Offering flexibility unheard of in the world of proprietary communications Asterisk empowers developers and integrators to create advanced communication solutions for free Asterisk is released as open source under the GNU General Public License GPL and it is available for download free of charge Asterisk is the most popular open source software available with the Asterisk Community being the top influencer in VoIP Asterisk as a Switch PBX Asterisk can be configured as the core of an IP or hybrid PBX switching calls managing routes enabling features and connecting callers with the outside world over IP analog POTS and digital T1 E1 connections Asterisk runs on a wide variety of operating systems including Linux Mac OS X OpenBSD FreeBSD and Sun Solaris It provides all of the features you would expect
35. odel VPMADT032 See Figure 4 on page 24 for an example of the TE121 card shown with the echo cancellation module T1 E1 Selection The T1 E1 mode in most cases is set at the distributor before shipment You may want to check the setting to be certain it is set for your specific use With the jumper off the span is ready for T1 mode and with the jumper on the span is ready for E1 mode Digium Inc Page 22 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 2 Card Installation Status LED T1 E1 Jumper Loopback PCI Connector Figure 3 TE120P Card Digium Inc Page 23 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 2 Card Installation Status LE 2 3 VPMADTO32 Loopback o Mode LED PCI Express Connector Figure 4 TE121 Card with Echo Cancellation Module Digium Inc Page 24 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 2 Card Installation Status LED NS VPMADT032 o Port 1 a Loopbac Mode LED PCI Connector Figure 5 TE122 Card with Echo Cancellation Module Caution Only qualified service personnel should continue with hardware installation and coe of the TE120 Series card Non qualified personnel should not attempt to perform these functions themselves Digium Inc Page 25 VolPon www voipon co u
36. ommunications The wires are wrapped loosely around each other to minimize radio frequency interference or interference from other pairs in the same bundle V volts VoIP Voice over IP Technology used for transmitting voice traffic over a data network using the Internet Protocol Digium Inc Page 70 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299
37. r referral to your nearest reseller at 1 256 428 6000 or e mail sales digium com Digium Inc Page 58 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Appendix A Pin Assignments The communication port on the TE120 Series card bracket is an 8 pin RJ45 port The pin assignments are identified in Table A 1 Table A 1 RJ45 Telco Port Connector Pin Description 1 Rx 2 Rx Biss 3 Not used 4 Tx 5 Tx ping 6 Not used 7 Not used 8 Not used Digium Inc Page 59 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Appendix B Specifications This appendix provides specifications required environmental conditions and maximum power consumption for the TE120 Series cards Physical All Cards Size 4 82 x 2 175 x 0 63 12 2 x 5 5 x 1 6 cm PCB size does not include the PCI bracket Weight 2 oz 57g Interfaces Local Loop Access El T1 J1 PRI RJ45 TE120P and TE122 PCI Bus 3 3V or 5V bus slot half length slot minimum size 33MHz minimum bus speed compliant with PCI 2 2 or greater TE121 PCI E X1 compliant with PCI E X1 1 0 or greater Environment Temperature 0 to 50 C 32 to 122 F operation 20 to 70 C 4 to 158 F storage Humidity 10 to 90 non condensing Digium Inc Page 60 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fa
38. rd is not intended for home use It must be used in restricted access locations and installed in UL Listed I T E only gt gt gt gt Digium Inc Page 9 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 TABLE OF CONTENTS Chapter 1 OVO VIG A Ee a Ek 14 Echo Cancellation sx inn AA nepa PARA Kad A Lenga KN SAKA Kama 17 What is AsteriskB 00000 00 cece eee 18 Asterisk as a Switch PBX 18 Asterisk as a Gateway 18 Asterisk in the Call Center 19 Asterisk in the Network 19 Asterisk Everywhere llle 19 Chapter 2 Card Installation 00 ee 20 Unpacking the Card 21 Shipment Inspection 22 Identifying Features 0 cee eee 22 THE Selection nds Actives RSEN Bede abe RAT SS ames 22 Slot Compatibility i re ua ea eee 26 Hardware Installation llle 28 Software Installation 29 Installing Asterisk llle 35 Chapter 3 Configuration 2 2222 uro eee tee E eddie eee cee 37 Configuring Card Features 38 Digium Inc Page 10 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Table Of Contents Configuring T1 E1 Lines 0
39. rleaving bits one after the other MUX multiplexer A device which transmits multiple signals over a single communications line or channel See multiplexing PBX private branch exchange A smaller version of a phone company s large central switching office Example Asterisk PCI peripheral component interconnect A standard bus used in most computers to connect peripheral devices POP point of presence The physical connection point between a network and a telephone network A POP is usually a network node serving as the equivalent of a CO to a network service provider or an interexchange carrier POTS plain old telephone service Standard phone service over the public switched telephone network PSTN This service provides analog bandwidth of less than 4 kHz Digium Inc Page 68 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Appendix C Glossary and Acronyms PPP point to point protocol Type of communications link that connects a single device to another single device such as a remote terminal to a host computer PSTN public switched telephone network 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 telephone systems the PSTN is now almost entirely digital and now includes mobile as well as fixed telephones QoS quality of service A measure of telephone service a
40. s specified by the Public Service Commission RJ11 A six pin jack typically used for connecting telephones modems and fax machines in residential and business settings to PBX or the local telephone CO SIP Session Initiation Protocol An IETF standard for setting up sessions between one or more clients It is currently the leading signaling protocol for Voice over IP gradually replacing H 323 T1 A dedicated digital carrier facility which transmits up to 24 voice channels DSOs and transmits data at 1 544 Mbps Commonly used to carry traffic to and from private business networks and ISPs Digium Inc Page 69 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Appendix C Glossary and Acronyms T3 A dedicated digital carrier facility which consists of 28 T1 lines and transmits data at 44 736 Mbps Equivalent to 672 voice channels DSOs TDM time division multiplexer A device that supports simultaneous transmission of multiple data streams into a single high speed data stream TDM separates signals by interleaving bits one after the other telco A generic name which refers to the telephone companies throughout the world including RBOCs LECs and PTTs tip and ring The standard termination on the two conductors of a telephone circuit named after the physical appearance of the contact areas on the jack plug twisted pair Two copper wires commonly used for telephony and data c
41. t it for any damage that may have occurred in shipment If damage is suspected file a claim with the carrier and contact your reseller from which the card was purchased or contact Digium Technical Support at 1 256 428 6161 Keep the original shipping container to use for future 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 the equipment is permanently connected equipment pluggable type B or connected to a socket outlet that has been checked to ensure that it is reliably earthed in accordance with the National Electrical Code This card is intended for installation in a Restricted Access Location RAL only Digium Inc Page 21 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 2 Card Installation Shipment Inspection The following items are included in shipment of the TE120 Series a TE120 Series card TE120P TE121 TE122 Identifying Features Your TE120 Series card has one RJ45 port and two status LEDs The port is used for connecting T1 El or J1 cables The two LEDs serve as a status LED and an amber loop back LED The card includes a strap for selecting either T1 or E1 line mode See Figure 3 on page 23 to locate these features The TE121 and TE122 cards may also be combined with Digium s hardware based echo canceler m
42. tzone us span 1 0 0 esf b8zs nethdlc 1 24 Instructions for Cisco HDLC 1 Compile the Linux kernel with Cisco HDLC support The Linux kernel menuconfig menu may look similar to the following Device Drivers gt Network device support gt Wan interfaces support gt lt M gt Generic HDLC support M Cisco HDLC support Note Digium recommends using Linux kernel version 2 6 8 or later The HDLC implementation in Linux kernel versions prior to 2 6 8 may not be reliable or function at all 2 Install the newly compiled Linux kernel Digium Inc Page 49 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Fax 44 0 1245 808299 Chapter 3 Configuration 3 Reboot into the new Linux kernel 4 Uncomment the following line in linux drivers dahdi dahdi_config h of the DAHDI complete source package define CONFIG DAHDI NET 5 Rebuild DAHDI in order to compile the sethdlc utility Then execute the following commands from the DAHDI complete source directory make sethdlc make install 6 Load and configure the driver modprobe wctel2xp dahdi_cfg 7 Use sethdlc to bring up the interface sethdlc hdlcO cisco 8 Assign the interface an address ifconfig hdlcO 192 168 0 1 netmask 255 255 255 0 The interface may be addressed as any other networking interface i e ethO in Linux Digium Inc Page 50 VolPon www voipon co uk sales voipon co uk Tel 44 0 1245
43. x 44 0 1245 808299 Hardware and Software Requirements 800 Mhz Pentium III or better 64MB RAM Appendix B Specifications Available PCI TE120P and TE122 or PCI E TE121 Slot Digium Inc VolPon www voipon co uk sales voipon co uk Tel 44 0 1245 808195 Table B 2 Maximum Power Consumption Model Power TE120P 3 3V 1 5 Watts 5V 0 1 Watt TE121 3 3V 2 0 Watts TEI21B 3 3V 3 0 Watts TE122 3 3V 1 5 Watts 5V 0 1Watt TE122B 3 3V 2 5 Watts 5V 0 1Watt Page 61 Fax 44 0 1245 808299 Appendix C Glossary and Acronyms ANSI American National Standards Institute An organization which proposes and establishes standards 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 character Asynchronous communications are often found in internet access and remote office applications attenuation The dissipation of a transmitted signal s power as it travels over a wire bandwidth The capacity to carry traffic Higher bandwidth indicates the ability to transfer more data in a given time period bit The smallest element of information in a digital system A bit can be either a zero or a one bps bits per second A measurement of transmission speed across a data connection Digium Inc Page 62 VolPon www voipon co uk sales voipon
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