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Digium 2400 Series User Manual

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2400 Series
AEX2400 / TDM2400P
User Manual
601-00013
Rev. C4

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  • Page 1 2400 Series AEX2400 / TDM2400P User Manual 601-00013 Rev. C4...
  • Page 2 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.
  • Page 3 Compliance Information Compliance information for this product is available at http://www.digium.com/ccs-compliance. Digium, Inc. Page 3...
  • Page 4 Introduction to 2400 Series Documentation This manual contains product information for the 2400 Series card. 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:...
  • Page 5 (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. Digium, Inc. Page 5...

  • Page 6: Important Safety Instructions

    Alarm Dialing Equipment. If your home has specially wired alarm equipment connected to the telephone line, ensure the installation of the 2400 Series does not disable your alarm equipment. If you have questions, consult your telephone company or a qualified installer.
  • Page 7 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. Digium, Inc. Page 7...
  • Page 8 Service Personnel Cautions 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. Digium, Inc. Page 8...

  • Page 9: Table Of Contents

    Driver Configuration ........39 Digium, Inc.
  • Page 10 FXO Module......... . . 50 Using Your 2400 Series Card ......51 Chapter 5 Troubleshooting .
  • Page 11 Example dmesg Screen Shot ....43 Figure Sample Application ......49 Digium, Inc. Page 11...
  • Page 12 Card Identifiers ......34 Table B-1: Maximum Power Consumption ....60 Digium, Inc. Page 12...

  • Page 13: Chapter 1 Overview

    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 2400 Series cards can prove useful. Some examples are provided in the following figures.

  • Page 14: Figure 1: Sample Application - Channel Bank

    Chapter 1: Overview Figure 1: Sample Application - Channel Bank 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 14...

  • Page 15: Figure 2: Sample Application - Legacy Pbx

    Chapter 1: Overview Figure 2: Sample Application - Legacy PBX Figure 3: Sample Application - Toll-bypass Digium, Inc. Page 15...

  • Page 16: Figure 4: Sample Application - Analog To Voip Transcoding

    Chapter 1: Overview Figure 4: Sample Application - Analog to VoIP Transcoding Digium, Inc. Page 16...

  • Page 17: Echo-Cancellation

    Chapter 1: Overview Echo-Cancellation Users connecting their 2400 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.

  • Page 18: What Is Asterisk

    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...

  • Page 19: Asterisk In The Call Center

    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...

  • Page 20: Chapter 2 Card Installation

    Card Identification on page 25  FXS and FXO Connection on page 27  Slot Compatibility on page 27  Hardware Installation on page 29  Software Installation on page 32  Installing Asterisk on page 35  Digium, Inc. Page 20...

  • Page 21: Unpacking The Card

    This card is intended for installation in a Restricted Access Location (RAL) only. Shipment Inspection The following items are included in shipment of a 2400 Series card: 2400 Series card (TDM2400P or AEX2400)  FXO and/or FXS quad module(s) (depending on configuration) ...

  • Page 22: Module Identification

    Chapter 2: Card Installation Module Identification The 2400 Series card ships with FXO and/or FXS quad modules in place. These are identified by their color. Take a moment to identify which quad modules were shipped with your card. FXO (Foreign Exchange Office) quad modules are Red ...

  • Page 23: Figure 5: Tdm2400P Card (Model Tdm2433E)

    Chapter 2: Card Installation Female Quad Modules Quad Modules RJ-21X (Red) (Green) Power Echo Supply Cancellation Connection Module Figure 5: TDM2400P Card (Model TDM2433E) Digium, Inc. Page 23...

  • Page 24: Figure 6: Aex2400 Card (Model Tdm2433E)

    Chapter 2: Card Installation Female Quad Modules Quad Modules RJ-21X Echo Power Cancellation Supply Module Connection Figure 6: AEX2400 Card (Model TDM2433E) Digium, Inc. Page 24...

  • Page 25: Card Identification

    Chapter 2: Card Installation Card Identification There are multiple configurations in which a 2400 Series card may be purchased. Each configuration consists of a combination of quad modules and may also include the VPMOCT032 echo cancellation module. See Table 1 on page 25 for a list of the most common TDM2400P configurations.

  • Page 26: Table 2: Example Aex2400 Card Configurations

    Card ID Ports AEX2401B 1 quad FXO module AEX2406B 6 quad FXO modules AEX2433B 3 quad FXO modules and 3 quad FXS modules AEX2451B 5 quad FXS and 1 quad FXO modules AEX2460B 6 FXS modules Digium, Inc. Page 26...

  • Page 27: Fxs And Fxo Connection

    Chapter 2: Card Installation FXS and FXO Connection The 2400 Series card provides a 50-pin RJ-21X connector for access to the FXS and/or FXO quad modules installed in the six available slots. The diagram in Figure A-1 on page 57 provides the pinout for this connector.

  • Page 28: Figure 7: Motherboard Slots

    PCI Express compliant slot, including lane lengths X4, X8, and X16. This means that in the motherboard shown in Figure 7, the AEX2400 will only fit into Slot 4. The AEX2400 can not be used in Slots 0 through 3. Digium, Inc. Page 28...

  • Page 29: Hardware Installation

    Insert a four-pin 12 volt connector (disk drive power supply cable, e.g. hard drive) into the white plastic connector on the bottom of the card. See Figure 9. Digium, Inc. Page 29...

  • Page 30: Figure 9: Connect Power For Fxs Quad Modules

    Figure 9: Connect Power for FXS Quad Modules Many modern PCs and servers do not have either spare or any 12V power connectors. If you have FXS modules on your 2400 Series card and your computer does not have power cables available, then power must be provided to the 2400 Series card by an alternate means.
  • Page 31 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.

  • Page 32: Software Installation

    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 section at: http://www.digium.com To install your 2400 Series card, you will need: Linux 2.6 kernel headers...
  • Page 33 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...

  • Page 34: Table 3: Card Identifiers

    2400 AEX2400 8003 A Digium 2400 Series (TDM2400P/AEX2400) 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.
  • Page 35 # tar -zxvf dahdi-linux-complete-current.tar.gz # cd dahdi-linux-complete-X.X.X+X.X.X # make # make install # make config 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 35...

  • Page 36: Installing Asterisk

    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.
  • Page 37 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 (+1.256.428.6161) for assistance. Complete instructions for installing Asterisk are available at www.asterisk.org.

  • Page 38: Chapter 3 Configuration

    Chapter 3: Configuration Chapter 3 Configuration The 2400 Series cards have a variety of configuration options. This chapter provides sample configurations to demonstrate 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.

  • Page 39: Driver Configuration

    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 39...
  • Page 40 For example, a TDM2406E card would be configured as the following: fxsks = 1-24 fxsks = 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17, 18,19,20,21,22,23,24 You should have identified the type of 2400 Series card when you received it. Module Identification If you are not sure, refer to on page 22 for assistance.
  • Page 41 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 41...
  • Page 42 The following is a typical setup using software-based echo cancellation: echocanceller = mg2,1-23 7. Load DAHDI drivers into the kernel using the modprobe utility. The appropriate driver for the 2400 Series cards is . Users wctdm24xxp should use the following modprobe command: # modprobe wctdm24xxp # dahdi_cfg -vv # dmesg Digium, Inc.

  • Page 43: Figure 10: Example Dmesg Screen Shot

    Chapter 3: Configuration Figure 10: Example dmesg Screen Shot Note: Output as shown above may vary depending on the 2400 Series card you use. Digium, Inc. Page 43...

  • Page 44: Configuring Card Features

    = yes rxgain = 0.0 txgain = 0.0 ;FXS Modules group = 1 signalling = fxo_ks context = Internal channel = 1-8 ;FXO Modules group = 2 echocancel = yes signalling = fxs_ks context = Incoming Digium, Inc. Page 44...
  • Page 45 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 a 2400 Series card with the hardware echo cancellation module are encouraged to take advantage of Digium's High Performance Echo Canceler software.

  • Page 46: Voicemail

    1234 4242 Mark Spencer is the person’s name, and root@localhost is his email address. You can add extensions by adding the following: 1000 => 1234,Moose Member,moose@digium.com 2000 => 1234,Bill Savage,bsavage@digium.com Digium, Inc. Page 46...
  • Page 47 => 1000,102,Voicemail(1000,b) exten => 2000,1,Dial(DAHDI/2,20,rt) exten => 2000,2,Voicemail(2000,u) exten => 2000,102,Voicemail(2000,b) exten => 8500,1,VoiceMailMain exten => 8501,1,MusicOnHold exten => _9.,1,Dial(DAHDI/g2/www${EXTEN:1}) exten => _9.,2,Congestion [Incoming] exten => s,1,Answer exten => s,2,Dial(DAHDI/g1,20,rt) exten => s,3,Voicemail(1000,u) exten => s,103,Voicemail(1000,b) Digium, Inc. Page 47...

  • Page 48: Testing Your Configuration

    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 1 to 2, or receiving an incoming call. Successful completion of these tasks indicates your configuration is working properly. Digium, Inc. Page 48...

  • Page 49: Figure 11: Sample Application

    Chapter 3: Configuration Figure 11: Sample Application Note: More detailed information is provided 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 (+1.256.428.6161) or visiting the website at www.digium.com.

  • Page 50: Fxs And Fxo Explained

    Note: Only qualified service personnel should install the card. Users should not attempt to perform this function themselves. FXS Module The FXS module allows a 2400 Series card to initiate and send ringing voltage to an FXO device such as an analog telephone. FXO Module The FXO module allows the 2400 Series card to terminate analog telephone lines (POTS).

  • Page 51: Using Your 2400 Series Card

    FXO device in the chain. When it receives voltage from an FXS device, the phone rings. Using Your 2400 Series Card Connect an outside line to an FXO port on your Asterisk server to receive voltage from the outside line.

  • Page 52: Chapter 5 Troubleshooting

    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 53 DAHDI module loads and before Asterisk executes. Note: The digit after the -i option is the digit that will break dialtone on the line. There is a slight echo. How can I adjust the sound quality? Digium, Inc. Page 53...
  • Page 54 To view all of the options available to add to your dial plan, type the following commands from within Asterisk: *CLI> core show applications *CLI> core show functions Digium also offers services to help configure and add features you might need. Contact Digium Technical Support (+1.256.428.6161) for more information. Digium, Inc.
  • Page 55 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 (+1.256.428.6161). Digium, Inc. Page 55...
  • Page 56 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.

  • Page 57: Pin Assignments

    Appendix A: Pin Assignments Appendix A Pin Assignments The 2400 Series card provides a 50-pin RJ21 connector for FXO and FXS access. Pins 25 & 50, Not Used Pins 24 & 49, Port 24, Slot 6 Pins 23 & 48, Port 23, Slot 6 Pins 22 &...

  • Page 58: Specifications

    Appendix B: Specifications Appendix B Specifications This appendix provides specifications, required environmental conditions, and maximum power consumption for the 2400 Series cards. Physical. Size: 12.28” × 4.2” × 0.68” (31.19 x 10.67 x 1.72 cm) PCB size, does not include the PCI bracket or retainer.

  • Page 59: Environment

    ° C (32 to 104° F) Note: Operating temperature is limited to 0 to 40 when used with optional PWR2400B Power Bracket. Hardware and Software Requirements. 800-Mhz Pentium III or better 64MB RAM Available PCI or PCI-Express Slot (as described previously) Digium, Inc. Page 59...

  • Page 60: Table B-1: Maximum Power Consumption

    5V All AEX models 0.0 Watts 12V AEX/TDM2406E 11.0 Watt into 1REN 12V AEX/TDM2433E 12.0 Watts into 2REN 12V AEX/TDM2433E 15.0 Watts into 3REN 12V AEX/TDM2433E 17.5 Watts into 4REN 12V AEX/TDM2433E 20.0 Watts into 5REN Digium, Inc. Page 60...

  • Page 61: Appendix C Glossary And Acronyms

    The smallest element of information in a digital system. A bit can be either a zero or a one. bits per second A measurement of transmission speed across a data connection. Digium, Inc. Page 61...
  • Page 62 100 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 62...
  • Page 63 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. Digital Signal, Level 0 A voice grade channel of 64 Kbps. The worldwide standard speed for digitizing voice conversation using PCM (Pulse Code Modulation).
  • Page 64 Unwanted electrical noise present on a power line full duplex Data transmission in two directions simultaneously. Foreign Exchange Office Receives the ringing voltage from an FXS device. Outside lines are connected to the FXO port on your 2400 Series card. Digium, Inc. Page 64...
  • Page 65 Appendix C: Glossary and Acronyms Foreign Exchange Station Initiates and sends ringing voltage. Phones are connected to the FXS ports on the 2400 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.
  • Page 66 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 66...
  • Page 67 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 67...
  • Page 68 PBX or the local telephone CO. 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 68...
  • Page 69 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 69...
  • Page 70 Appendix C: Glossary and Acronyms volts VoIP Voice over IP Technology used for transmitting voice traffic over a data network using the Internet Protocol. Digium, Inc. Page 70...

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