4 Port Analog Card User Manual
Contents
1. 12 A4A Card with Four Single Modules 20 A4B Card with Four Single Modules 21 Motherboard Slots 20200005 23 Insert the Card 00200 00 e eee 24 Connect Power for FXS Modules 25 Sample Application 2 22205 43 Page 11 Chapter 1 Overview The Quad Analog Series cards are versatile devices used for connecting your phone network to the PSTN Public Switched Telephone Network world This is accomplished through phone lines connected to the FXO Foreign Exchange Office ports and phones connected via the FXS Foreign Exchange Station ports The cards allow Asterisk to connect to your phone network creating an office type telephony environment There are a variety of applications where the Quad Analog Series cards A4A or the A4B can prove useful An example is provided in the following figure Figure 1 Sample Card Application Note An FXS module should be connected only to a device that is located inside of the same building to minimize lightning exposure Digium Inc Page 12 Chapter 1 Overview Echo Cancellation Users connecting their Quad Analog 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 can2. 10 to 90 non condensing Note Operating temperature is limited to 0 to 40 C 32 to 104 F when used with optional PWR2400B Power Bracket Hardware and Software Requirements 500 Mhz Pentium III or better 64MB RAM Available PCI Slot or PCI Express Slot as described previously Power Consumption The following table lists the maximum power consumption for both the A4A and A4B cards fully populated with analog modules and Echo Cancellation module PCI and PCI e power is taken from the PCI slot 12 volt power is taken from the four pin hard disk drive connector or optional PWR2400B Digium Inc Page 53 Appendix B Specifications Table B 2 Maximum Power Consumption Power Source Max Power PCI A4A 4W PCI e A4B 5W 12V power connector No FXS modules OW 2 FXS into 3 REN 3 5W 4 FXS into 3 REN 5W Digium Inc Page 54 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
3. 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 55 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 56 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 ope
4. hang up Set busydetect yes and busycount 10 in the chan_dahdi conf for your channels This will cause the line to hang up by listening for a consecutive number of busy tones Upon editing chan_dahdi conf you will need to restart Asterisk I have echo problems on my FXO modules and I ve tried the different echo cancellation algorithms in dahdi_config h tried tweaking the gains and still nothing works What can I do Run the fxotune utility with the i option fxotune i 4 It should discover which DAHDI channels are FXO modules and tune them accordingly Be warned however it takes a significant amount of time for each module to tune A conservative estimate would be somewhere around 2 3 minutes for each module You only have to tune the channels once for each line The fxotune utility will store the calibration settings in etc fxotune conf You will need to configure your system to run fxotune with the s flag fxotune s during the Linux boot sequence in order to initialize the previously discovered values which are stored in fxotune conf A recommendation is to put fxotune s in your distribution s startup scripts at some point after the DAHDI module loads and before Asterisk executes Note The digit after the i option is the digit that will break dialtone on the line Digium Inc Page 47 Chapter 5 Troubleshooting There is a slight echo How can I adjust the sound quality There are several options available to c
5. 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 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 14 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 remo
6. 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 Digium Inc Page 62 Appendix C Glossary and Acronyms 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 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 communications The wires are wrapped loosely around each other to minimize radio frequency interference or interference from other pairs in the same bundle Digium Inc Page 63 Appendix C Glossary and Acronyms V volts VoIP Voice over IP Technology used for
7. cee ees 22 Slot Compatibility eee 22 Hardware Installation lessen 24 Software Installation cc eee ees 27 Installing Asterisk er tea rete Re we 31 Chapter 3 Configuration eue tme eis tale ee Cie eee 33 Digium Inc Page 8 Table Of Contents Driver Configuration isese ee 0 000 ee eee ee 34 Configuring Card Features 00 0c cee ee 38 Moicerriall 15i cepe ful ata Ge dan patna pan aS eats 40 Dial Plans 22221 26 eh oa E hn ee ae 41 Testing Your Configuration illie 42 Chapter 4 FXS and FXO Explained eslsseselleees 44 Identification cu cepe e ber Ie bet rae eee dads 44 FXS Mod le 2 2 22a tee Be Ede th uet Fue alee 44 FXO Module sssssssess 44 Using Your Quad Analog Series Card 0000005 45 Chapter 5 Troubleshooting 00 cece eee eee n Rn nnn 46 Appendix A Pin Assignments 5 cie repperi ELE Slee ne 51 Appendix B Specifications 1 5 Sein ade en A Vea REA OR ee eee 52 Appendix C Glossary and Acronyms 0 0 ce eee eee nnn nnn 55 Digium Inc Page 9 List of Tables Table 1 Card Identifiers 00 0 000 000 0008 29 Table A 4 RJ11 Telco Port Connector 51 Table B 2 Maximum Power Consumption Digium Inc Page 10 Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Digium Inc List of Figures Sample Card Application
8. green FXS modules add the following fxoks fxoks uses kewlstart signalling which is loopstart signalling with disconnect supervision For example an A4A card with 4 FXS ports would be configured as the following fxoks 1 4 OR fxoks 1 2 3 4 5 Anexample configuration for an A4A card with 2 FXS and 2 FXO ports would be fxoks 1 2 fxsks 3 4 OR fxoks 1 2 fxsks 3 4 6 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 any channel So it is very important that you specify one in the Digium Inc Page 36 Chapter 3 Configuration 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 using software based echo cancellation echocanceller mg2 1 4 7 Load DAHDI drivers into the kernel using the modprobe utility The appropriate driver for the Quad Analog Series cards is wcaxx Users should use the following modprobe command modprobe wcaxx dahdi_cfg vv dmesg Note The Quad Analog Series cards use the same driver as the A8A Digium Inc Page 37 Chapter
9. 1 8 0 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 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 make install HE Gb Gb Gb Gk Digium Inc Page 31 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 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 Complete instructions for installing Asterisk are available at www asterisk org Digium Inc Page 32 Chapter 3 Configuration The Quad Analog Series cards have a variety of configuration options This chapter provides sample configurations to d
10. 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 The following is a sample configuration for an A4A card with 2 FXS and 2 FXO ports You can place this at the bottom of your chan_dahdi conf file General options usecallerid yes hidecallerid no callwaiting yes threewaycalling yes transfer yes echocancel yes echocancelwhenbridged yes rxgain 0 0 txgain 0 0 FXS Modules group 1 signalling fxo_ks context Internal channel 1 2 FXO Modules group 2 echocancel yes signalling fxs_ks Digium Inc Page 38 Chapter 3 Configuration context Incoming channel 3 4 Users of Digium s hardware echo cancellation module the VPM032 should set the echocancel option to yes The module will automatically configure itself to run at full capacity 1024 taps 128ms on each channel Users without the VPM032 using open source echo cancelers included with DAHDI should configure echocancel to the values 128 16ms or 256 32ms Setting yes will default the option to 128 16ms Users who have not purchased an Quad Analog Series card with the hardware echo cancellation module are encouraged to take advantage of Digium s High Performance Echo Canceler software This commercially licensed s
11. Electromagnetic Interference Unwanted electrical noise present on a power line full duplex Data transmission in two directions simultaneously FXO Foreign Exchange Office Receives the ringing voltage from an FXS device Outside lines are connected to the FXO port on your Quad Analog Series card Digium Inc Page 58 Appendix C Glossary and Acronyms FXS Foreign Exchange Station Initiates and sends ringing voltage Phones are connected to the FXS ports on the Quad Analog Series card 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 AX p
12. aller 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 Digium Inc Page 5 User Cautions 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 subject to direct intense sunlight or other products that produce heat Caution To reduce the risk of fire use only No 26 AWG or larger telecommunication wiring for network connections Caution This card is not intended for home use It must be used in restricted access locations and installed in UL Listed I T E only 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 not instructed to do so Refer servicing to qualified service personnel gt gt gt gt gt 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 PE jury damage to the unit or your equipment do not attempt to
13. card 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 4 the A4A card will fit into Slots 1 2 or 3 PCI slots but cannot fit into Slot 0 AGP slot or Slots 4 through 7 PCI Express slots The A4B card is keyed for a PCI Express 1 lane 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 4 the A4B card will fit into Slots 4 5 6 or 7 PCI Express but cannot fit into any of the other slots Digium Inc Page 23 Chapter 2 Card Installation Hardware Installation 1 Now that you are acquainted with your card power down your com puter and unplug it from its power source 2 Attach a static strap to your wrist and open the case 3 Remove the bracket place holder and insert the card into a PCI A4A or PCI Express A4B slot See Figure 5 Figure 5 Insert the Card 4 If your card has any FXS modules you will also need to connect the power cable from your computer s power supply to the back of the card Insert a four pin 12 volt connector disk drive power supply cable e g hard drive into the power connector on the rear of the card See Figure 6 Digium Inc Page 24 Chapter 2 Card Installation Figure 6 Connect Power for FXS Modules Many modern PCs and servers do not have either spare or any 12V po
14. cellation The Quad Analog 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 VPM032 hardware echo cancellation module The VPM032 may be combined with both the A4A and A4B The VPMO032 is designed to handle up to 128ms of echo cancellation across all channels and provides a G 168 echo cancellation solution Digium Inc Page 13 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
15. digium Quad Analog Series AAA A4B Een RE User Manual 601 00023 Rev A Digium Inc 445 Jan Davis Drive Huntsville AL 35806 United States 1u m Main Number 1 256 428 6000 Tech Support 1 256 428 6161 U S Toll Free 1 877 344 4861 Sales 1 256 428 6262 www digium com www asterisk org www asterisknow org Digium Inc 2013 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 re
16. do not attempt to apply power to the unit while the case is open Personal injury or damage to the unit could occur if the modules are touched while powered is applied 6 Plug all outside phone lines to the FXO ports corresponding to the red modules and connect all phones to the FXS ports green modules as needed using a patch panel or punch block See Table A 1 on page 51 for the pin assignments AN AN Digium Inc Caution This unit must be connected to the Telecommunications Network in your country using an approved line cord e g Australia use only line cords complying with AS CA S008 010 Caution Only connect regulatory equipment approved for use in your specific country to the telecommunications network voltage circuit ports Page 26 Chapter 2 Card Installation 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 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 Fo
17. ed at the Asterisk website www asterisk org as well as the Digium Knowledge Base kb digium com You may also obtain assistance by contacting Digium Technical Support at 1 256 428 6161 or visiting the website at www digium com Digium Inc Page 43 Chapter 4 FXS and FXO Explained Identification There are multiple standard configurations in which an Quad Analog Series card may be purchased Each configuration consists of one to four FXS and or FXO modules These modules are identified by their color a FXS Foreign Exchange Station Green Modules a FXO Foreign Exchange Office Red Modules This chapter provides an in depth review of the two module types and their uses within your Asterisk server Note Only qualified service personnel should install the card Users should not attempt to perform this function themselves FXS Module The FXS module allows an Quad Analog Series card to initiate and send ringing voltage to an FXO device such as an analog telephone FXO Module The FXO module allows an Quad Analog Series card to terminate analog telephone lines POTS Because of the modular design you can activate additional ports at any time with more FXS or FXO daughter cards The FXO module passes all the call features any standard analog telephone line will support The phone receiving the call is the last FXO device in the chain When it receives voltage from an FXS device the phone rings Digium Inc Page 44 C
18. emonstrate customizing the Asterisk software to meet your individual needs Each section explains basic options as examples Once you have familiarized yourself with the samples you can edit the configuration files to meet your specific needs Digium Inc Page 33 Chapter 3 Configuration Driver Configuration 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 Digium Inc Page 34 Chapter 3 Configuration 3 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 If your card has any red FXO modules add the following to system conf fxsks fxsks uses kewlstart signalling which is loopstart signalling with disconnect supervision For example an A4A card with 4 FXO ports would be configured as the following fxsks 1 4 OR fxsks 1 2 3 4 You should have identified the type of Quad Analog Series card when you received it If you are not sure refer to Module Identification on page 18 for assistance Note The Quad Analog Series cards do not support Ground Start signaling Digium Inc Page 35 Chapter 3 Configuration 4 If your card has any
19. gium Inc Page 4 Symbol Definitions gt gt gt 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 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 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 Important Safety Instructions User Cautions gt P op 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 in jury 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 Alarm Dialing Equipment If your home has specially wired alarm equipment connected to the A hh d line ensure the installation of he Quad Analog Series does not disable your alarm equipment If you have questions consult your telephone company or a qualified inst
20. hapter 4 FXS and FXO Explained Using Your Quad Analog Series Card Connect an outside line to an FXO port on your Asterisk server to receive voltage from the outside line Connect phones to FXS ports on your Asterisk server The recommended maximum distance from an FXS module to its connected device is 1 500 ft 457m When the FXO module in your Asterisk server receives the voltage it will then generate voltage using the FXS module and send it to your analog phone Note An analog phone line originating from an FXS module must remain inside the same building as the FXS module In addition an analog phone line originating from an FXS module must not be bundled with a line or lines that go outside the building where the FXS module is located Caution FXS modules are not equipped with lightning protection and should not be exposed to high voltage Lightning or high voltage can cause damage to an FXS module Damage caused by lightning or high voltage will void the product warranty Digium Inc Page 45 Chapter 5 Troubleshooting This chapter provides frequently asked questions and possible resolutions as identified by Digium Technical Support Multiple resources are available to obtain more information about Asterisk and Digium products Please visit both www digium com and www asterisk org for more information Digium Inc Page 46 Chapter 5 Troubleshooting The FXO module never seems to hang up the line How do I set it to
21. in 1 Tip Pin 6 Ring Not used Nin AJ Ww N Not used Digium Inc Page 51 Appendix B Specifications This appendix provides specifications required environmental conditions and maximum power consumption for the Quad Analog Series cards Physical All Cards Size 6 3 x 2 52 x 0 591 16cm x 6 4cm x 1 5cm PCB size does not include the PCI bracket Check your model carefully to be sure it will accept this PCI card Weight 3 5 oz 99 22 gm with no modules loaded Each single module adds 0 4 oz 11 34 gm VPM032 adds 0 6 oz 17 gm Interfaces Local Loop Access Industry standard 6 pin RJ 11 Note FXS modules are not equipped with lightning protection and should not be exposed to high voltage Lightning or high voltage can cause damage to an FXS module Damage caused by lightning or high voltage will void the product warranty The recommended maximum distance from an FXS module to its connected device is 1 500 ft 457m Digium Inc Page 52 Appendix B Specifications A4A PCI Bus 3 3V or 5V bus slot half length low profile PCI card 33MHz minimum bus speed compliant with PCI 2 2 or greater Additional Power four pin 12V connector for FXS power supply required only if FXS modules are installed A4B 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 65 C 4 to 149 F storage Humidity
22. mmand 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 1 877 DIGIUM 1 1 877 344 4861 Digium Inc Page 49 Chapter 5 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 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 for referral to your nearest reseller at 1 256 428 6000 or e mail sales digium com Digium Inc Page 50 Appendix A Pin Assignments All four ports on the Quad Analog Series card s bracket are 6 pin RJ11 ports The pin assignments are identified in Table A 1 Table A 1 RJ11 Telco Port Connector Pin Description 1 Not used Not used P
23. oftware which is made available at no charge to in warranty Digium analog interface card customers provide toll quality echo cancellation performed on the host CPU at up to 1024 taps 128ms per channel For further details about HPEC please refer to the Digium website here http www digium com en products software hpec php When HPEC is enabled users may set the value of the echocancel parameter to any of the following values 128 16ms 256 32ms 512 64ms 1024 128ms Note Higher values will result in dramatically increased CPU consumption In order to optimize system performance users are Digium Inc Page 39 Chapter 3 Configuration encouraged to choose the minimum value required to cancel their echo Voicemail Open voicemail conf and find the following line at the bottom default 1234 gt 4242 Mark Spencer root localhost In this example 1234 is the mailbox number 4242 is the password Mark Spencer is the person s name and root localhost is his email address You can add extensions by adding the following 1000 gt 1234 Moose Member moose digium com 2000 gt 1234 Chris Hogan chogan digium com Digium Inc Page 40 Chapter 3 Configuration Dial Plan Open extensions conf which contains a large complex sample dial plan In this step you will configure a basic dial plan to enable you to send and receive calls Go to the bottom of the file and add the following lines Internal ex
24. on eeeecebece eeeeeree as Single Echo Cancellation Modules Module Power Supply Connection Figure 2 A4A Card with Four Single Modules Digium Inc Page 20 Chapter 2 Card Installation Single Echo Cancellation Module Modules Power Supply Connection Figure 3 A4B Card with Four Single Modules Digium Inc Page 21 Chapter 2 Card Installation FXS and FXO Connection The Quad Analog Series cards provide four RJ11 connectors for access to the FXS and or FXO modules installed in the available slots The diagram in Table A 1 on page 51 provides the pinout for this connector Caution hardware installation and configuration of the Quad Analog f Only qualified service personnel should continue with Series card Users should not attempt to perform these functions themselves Slot Compatibility Check your motherboard to verify that a compatible slot is available for a Quad Analog Series card To determine which slots you have on your motherboard identify them by comparing them to those shown in Figure 4 Slot Number 0 64 bit 5 0 volt PCI Slot 64 bit 3 3 volt PCI Slot 32 bit 5 0 volt PCI Slot PCI Express 1 lane x1 Slot PCI Express 4 lane x4 Slot PCI Express 8 lane x8 Slot PCI Express 16 lane x16 Slot AGP Pro Slot Digium Inc Page 22 Chapter 2 Card Installation i Figure 4 Motherboard Slots The A4A card is a 32 bit 33MHz
25. ontact 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 17 Chapter 2 Card Installation Shipment Inspection The following items are included in shipment of an Quad Analog Series card Quad Analog Series card A4A or A4B a FXO and or FXS module s depending on configuration a VPM032 module depending on configuration Module Identification The Quad Analog Series card may ship with FXO and or FXS modules in place These are identified by their color Take a moment to identify which modules were shipped with your card a FXO Foreign Exchange Office modules are Red a FXS Foreign Exchange Station modules are Green See Figure 2 on page 20 for an example of the A4A card shown with two of each single module See Figure 3 on page 21 for an example of the A4B card shown with two of each single module The Quad Analog Series cards may also be combined with Digium s hardwa
26. orrect this Each involves editing the chan_dahdi conf file Be sure to restart Asterisk upon completion 1 Adjust echocancel yes to one of the following values 32 64 128 or 256 2 You can also set echotraining yes 3 You can also adjust the rxgain and the txgain although it is only recommended to shift between 5 and 5 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 1 877 DIGIUM 1 1 877 344 4861 for more information Digium Inc Page 48 Chapter 5 Troubleshooting Common Fixes 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 with 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 co
27. r 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 section at http www digium com To install your Quad Analog Series card you will need Linux 2 6 kernel headers Development libraries and headers for ncurses Development libraries and headers for zlib and openssl Development libraries and headers for newt a GCC and standard software build tools It is recommended that you use the most recent version of Asterisk DAHDI and libpri software for the best results If you have previously Digium Inc Page 27 Chapter 2 Card Installation installed any of these Digium recommends that you upgrade to the latest current version of each Note If you are using the 1 4 x series of Asterisk you will need Asterisk 1 4 22 or newer 1 After the machine has booted to Linux log in and execute the follow ing command to list the devices detected by the PCI bus lspci n 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 d161 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 card identifier will be populated with one of
28. rated by an ILEC CPE customer premises equipment Terminal equipment which is connected to the telecommunications network and which resides within the 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 DSI TI E1 lines are part of the PSTN Digium Inc Page 57 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 El lines EMI
29. re based echo canceler model VPM032 See Figure 2 on page 20 for an example of the A4A card shown with one of each analog module and the echo cancellation module Digium Inc Page 18 Chapter 2 Card Installation Port Identification Each card consists of four RJ11 ports located on the PCI bracket Each port correlates to a single module containing either FXO or FXS modules The ports are numbered in sequence from one to four The top port is Port 1 and the bottom port is Port 4 See Figure 2 on page 20 for appropriate identification of these ports The port identification is the same for all cards in this series It is important to identify the type and location of your Quad Analog Series modules You will need this information during the configuration of Asterisk The ports available for use on the Quad Analog Series cards are continuous The cards can accept 4 single modules for a total of 4 ports The single module ports are identified on the card and their corresponding RJ11 ports are identified below The RJ11 port available for use will be the port corresponding to the location of the module on the card The following ports correspond to the single module ports as shown in Figure 2 on page 20 ms RJ11 Port 1 is used by Single Module Port 1 a RJ11 Port 2 is used by Single Module Port 2 a RJ11 Port 3 is used by Single Module Port 3 RJ11 Port 4 is used by Single Module Port 4 Digium Inc Page 19 Chapter 2 Card Installati
30. rotocol Digium Inc Page 59 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 60 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 interleaving bits one after the other MUX multiplexer A device which transmi
31. spective owners Digium Inc Page 2 Compliance Information Compliance information for this product is available at http www digium com compliance Digium Inc Page 3 Introduction to Quad Analog Series Documentation This manual contains product information for the Quad Analog Series cards 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 2 x p H Title Description Appendix verview entifies the card and type of modules you receive 1 Overvi Identifies the card and type of modules y ived with your Quad Analog Series card This chapter covers applications and uses of the Quad Analog 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 examples for configuring dial plan options 4 FXS and FXO Describes the FXO Foreign Exchange Office and Explained FXS Foreign Exchange Station modules and their significance 5 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 B Specifications Details card specifications iu p C Glossary and A list of terms and acronyms used throughout this Acronyms manual Di
32. te IP agent capabilities advanced skills based routing predictive and bulk dialing and more 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 15 Chapter 2 Card Installation This chapter provides the following information Unpacking the Card on page 17 Shipment Inspection on page 18 Module Identification on page 18 Port Identification on page 19 FXS and FXO Connection on page 22 FXS and FXO Connection on page 22 m Slot Compatibility on page 22 Hardware Installation on page 24 Software Installation on page 27 Installing Asterisk on page 31 Digium Inc Page 16 Chapter 2 Card Installation Unpacking the Card When you unpack your card carefully inspect it for any damage that may have occurred in shipment If damage is suspected file a claim with the carrier and contact the reseller from which the card was purchased or c
33. ten gt 1000 1 Dial DAHDI 1 20 rt exten gt 1000 2 Voicemail 1000 u exten gt 1000 102 Voicemail 1000 b exten gt 2000 1 Dial DAHDI 2 20 rt exten gt 2000 2 Voicemail 2000 u exten gt 2000 102 Voicemail 2000 b exten gt 8500 1 VoiceMailMain exten gt 8501 1 MusicOnHold exten gt _9 1 Dial DAHDI g2 www EXTEN 1 exten gt _9 2 Congestion Incoming exten gt s 1 Answer exten gt s 2 Dial DAHDI g1 20 rt exten gt s 3 Voicemail 1000 u exten gt s 103 Voicemail 1000 b In this example there are two internal extensions 1000 and 2000 a number to check voicemail 8500 a number to listen to music on hold Digium Inc Page 41 Chapter 3 Configuration 8501 and a prefix to dial to get an outside line 9 It is configured to accept incoming calls over the FXO rings phones 1 and 2 and route to voicemail box 1000 Testing Your Configuration 1 Start Asterisk by typing asterisk 2 Connect to Asterisk and view the output by typing asterisk vvvvr 3 Dial tone should be present on phones connected to the FXS ports Test your configuration by placing an outgoing call placing a call from extension to 2 or receiving an incoming call Successful completion of these tasks indicates your configuration is working properly Digium Inc Page 42 Chapter 3 Configuration TDM w FXO module Figure 7 Sample Application Note More detailed information is provid
34. the identifiers listed in the table below Digium Inc Page 28 Table 1 Card Identifiers Chapter 2 Card Installation Model Identifier A4A 800F AAB 8010 A Digium Quad Analog Series A4A A4B card identifier should be listed If a matching card identifier 1s 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 2 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 29 Chapter 2 Card Installation 3 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 Gb OH OH Note Executing make config will install an init script and symlinks which will allow you to start and stop DAHDI as a service Digium Inc Page 30 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 1 6 0 1 or later or
35. touc We modules while they are powered The case should be securely closed before power is applied to the unit Digium Inc Page 6 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 abel 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 card 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 7 TABLE OF CONTENTS Chapter 1 lo Jill AP mE 12 Echo Gancellation t Rd eR Seed VEG 13 What is Asterisk lllllllllllel ees 14 Asterisk as a Switch PBX 00 000 eee eee 14 Asterisk as a Gateway selle 14 Asterisk in the Call Center 00 000 eee 15 Asterisk in the Network 0 000 0c ccc eee ee eens 15 Asterisk Everywhere l l elle 15 Chapter 2 Card Installation 2 1 BR ee IERIIE EX IRE 16 Unpacking the Card ren 17 Shipment Inspection liliis 18 Module Identification llle 18 Port Identification 2 0 0 cc eens 19 FXS and FXO Connection 0 00 ccc
36. transmitting voice traffic over a data network using the Internet Protocol Digium Inc Page 64
37. ts 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 The public switched telephone network PSTN is the network of the world s public circuit switched telephone networks Originally a network Digium Inc Page 61 Appendix C Glossary and Acronyms of fixed line analog telephone systems the PSTN is now almost entirely digital and now includes mobile as well as fixed telephones 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 A communications network which uses telephones to establish connections between two points Also referred to as the dial network QoS quality of service A measure of telephone service as 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
38. wer connectors If you have FXS modules on your card and your computer does not have power cables available then power must be provided to the Quad Analog Series card by an alternate means Digium provides a solution to this problem with the optional PWR2400B available separately This card is essentially a PCI bracket assembly that takes power from an external DC power supply and routes it to two 15 power cables inside the computer You must have an available bracket slot to use the PWR2400B either PCI PCI Express or AGP A strap on the PWR2400B card allows the two power cables to take power from the same DC supply The PWR2400B comes with one power supply capable of supporting up to 24 FXS ports each driving heavy loads of up to SREN If more than 24 FXS ports with heavy loads are connected to the PWR2400B then a second Digium power Supply should be purchased The shorting strap on the PWR2400B should be removed if a second power supply is used Digium Inc Page 25 Chapter 2 Card Installation The PWR2400B does not connect to any bus inside the computer It may be used wherever there is an available PCI size bracket such as a PCI PCI Express or AGP slot Note The PWR2400B is not intended to supply power to any other device it is intended only to be used with UL Listed Digium analog cards 5 Replace the cover to your computer A Electrical Shock To reduce the risk of injury damage to the unit or your equipment
Download Pdf Manuals
Related Search