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PIRANHA USB A
™ F
DAPTERS
AMILY
Amfeltec USB-FXO Adapter
Amfeltec USB-FXS Adapter
User Manual
February 2, 2020
Revision 2.3
Copyright  2014-2020 Amfeltec Corp.
www.amfeltec.com

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  • Page 1 PIRANHA USB A ™ F DAPTERS AMILY Amfeltec USB-FXO Adapter Amfeltec USB-FXS Adapter User Manual February 2, 2020 Revision 2.3 Copyright  2014-2020 Amfeltec Corp. www.amfeltec.com...
  • Page 2: Table Of Contents

    Contents Contents About this Document ..................... 1 Purpose ........................1 Feedback........................1 Revision History......................1 General Description ...................... 2 Description ......................... 2 Features ........................3 Requirements & Installation ..................4 Requirements ......................4 Installation ........................4 3.2.1 Hardware Installation ....................4 3.2.2 Software Installation ....................
  • Page 3 Figure 2: Amfeltec USB-FXO Adapter Connection scheme ..........3 Figure 3: Amfeltec USB-FXS Adapter Connection scheme ..........3 Figure 4: Amfeltec USB-FXO Adapter. Bottom side with Rotary switch ......10 Figure 5: Amfeltec USB-FXO Adapter. Fail-over connection scheme ......11 Figure 6: Amfeltec USB-FXO Adapter.
  • Page 5: About This Document

    AMFELTEC Corp. makes every effort to ensure that the information contained in this document is accurate and complete at time of release. Please contact AMFELTEC Corp. if you find any errors, inconsistence or have trouble understanding any part of this document.
  • Page 6: General Description

    Ultra compact design makes it a part of the cable between your PBX USB port and PSTN jack in the wall (USB FXO Adapter) or analog phone (USB FXS Adapter). Figure 1: Amfeltec USB-FXO/FXS Adapter User Manual, Revision 2.3...
  • Page 7: Features

    Figure 2: Amfeltec USB-FXO Adapter connection diagram Figure 3: Amfeltec USB-FXS Adapter connection diagram Features • Cost-effective PSTN / analog phone connection • Easy installation • USB 2.0 compliant • Supports multiple USB-FXO/FXS devices in one system • Low power consumption, powered via USB interface •...
  • Page 8: Requirements & Installation

    Requirements To operate the USB-FXO/FXS Adapters you will need a PBX system in a Linux environment with Asterisk®, DAHDI, and Amfeltec’s USB driver installed. Currently, the driver supports Linux Kernel 2.6.x, 3.x, and 4.15.x, and DAHDI 2.5 to 3.1.0. Installation The USB-FXO/FXS Adapters can be connected or disconnected at any time during software installation and operation.
  • Page 9: Channels Configuration

    If you use the FreePBX distribution, see special installation notes in FreePBX section, below. To operate Amfeltec USB device you need to be sure that current Firmware version on the device is the latest Firmware version posted on our site. Please check your Firmware version (see instructions in Firmware update section below) 3.2.3...
  • Page 10: Starting Driver

    Grin LED light inside USB-FXS telephone connector. Next enter: • # service dahdi status (or /etc/init.d/dahdi status) If Amfeltec USB-FXO device was connected, DAHDI span was registered and the FXO channel was configured, you will see: ### Span 1: AMF_USB_FXO “AMF_USB_FXO 1” (MASTER)
  • Page 11: Stopping Driver

    On computer reboot amf_usb driver will start automatically with DAHDI service. 3.2.5 Stopping Driver There is no need to stop amf_usb driver before disconnection of Amfeltec USB-FXO Adapter or before a computer shutdown. To unload driver manually you need to stop Asterisk® portal and DAHDI service: •...
  • Page 12: Freepbx Distribution Installation Notes

    • fxo_txgain (default=0) • fxo_rxgain (default=0) • watchdog_off (default=0). Fail-over relay watchdog operations. Enabled by default when set to 0, otherwise disabled. See Fail-over relay section of this manual for more information. USB-FXS: • fxs_txgain (default=0, can be set to 35 or -35) •...
  • Page 13 Following DAHDI installation guide, run “make” and “make install” commands, but do not execute “make config”. Download and install Amfeltec USB driver (see instructions above). On this step do not make any changes to DAHDI and Asterisk® configuration files. Connect Amfeltec USB-FXO/FXS Adapter(s).
  • Page 14 Make necessary changes in System Settings and Global Settings bookmarks. User Manual, Revision 2.3 Page 10...
  • Page 15: Operation Instructions

    Operation Instructions To operate Amfeltec USB device you need to be sure that current Firmware version of the device is the latest Firmware version posted on our site. Please check your Firmware version (see instructions in Firmware update section below) Rotary switch setting Figure 4: Amfeltec USB-FXO Adapter.
  • Page 16 Please note, that the Line/Phone splitter alone (without USB-FXO Adapter) does not provide access to PSTN line from backup analog phone. By default, when there is no power on Amfeltec USB-FXO Adapter or amf_usb driver is not started, PSTN line will remain connected to backup phone.
  • Page 17: Standard Operation Mode (Sku-082-02)

    Red LED light, indicating that FXO port is ready for use. Firmware update To check current Firmware version of your Amfeltec USB-FXO/FXS Adapter you need to run the following Linux shell command right after amf_usb driver start: •...
  • Page 18 Follow further instructions on the screen. Do not disconnect device during Firmware update operation. After the update is finished, disconnect Amfeltec USB Adapter, and set the rotary switch to desired 1-9 position before reconnecting it for further use. User Manual, Revision 2.3...
  • Page 19: Led Indicator

    The LED indicators locate inside Adapter’s RJ11 connector and provide you with the following status information: • No lights: Adapter is not connected to USB port, or Amfeltec USB device driver does not work • Solid Red: FXO Adapter is connected and ready for use •...
  • Page 20: Ordering Information

    Ordering Information Standard package Standard package include the following components: 5.1.1 SKU-082-01 – USB-FXO Adapter (with Fail-over support) • USB-FXO Adapter (1) • Splitter (1) • RJ11 Cable (1) • USB Cable (1) 5.1.2 SKU-082-02 – USB-FXO Adapter (without Fail-over support) •...
  • Page 21: Appendix A: Limited Warranty

    AMFELTEC Corporation does not warrant that the operation of the hardware, software or firmware products will be uninterrupted or error free. AMFELTEC products are not intended to be used as critical components in life support systems, aircraft, military systems or other systems whose failure to perform can reasonably be expected to cause significant injury to humans.
  • Page 22: Appendix B: Available Analog Lines Operation Modes

    Appendix B: Available analog lines operation modes "FCC" (US, Canada), "TBR21" (Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, UK), "ARGENTINA", "AUSTRALIA", "AUSTRIA", "BAHRAIN", "BELGIUM", "BRAZIL", "BULGARIA", "CANADA", "CHILE", "CHINA", "COLUMBIA", "CROATIA", "CYPRUS", "CZECH", "DENMARK", "ECUADOR", "EGYPT", "ELSALVADOR", "FINLAND", "FRANCE", "GERMANY", "GREECE", "GUAM", "HONGKONG", "HUNGARY", "ICELAND", "INDIA", "INDONESIA", "IRELAND", "ISRAEL", "ITALY", "JAPAN",...

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