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Digium 1TC400BLF User Manual Download Page 43

Digium, Inc.

Page 43

Appendix B: Glossary and Acronyms

u-law 

Also known as mu law, is the PCM quasi-logarithmic curve. It is the 64 
Kbps standard North America voice amplitude sample used for 
encoding/decoding.

V

volts

VoIP

Voice over IP

Technology used for transmitting voice traffic over a data network using 
the Internet Protocol.

Summary of Contents for 1TC400BLF

Page 1: ...TC400 Series TCE400 TC400B 601 00007 Rev B1 User Manual...

Page 2: ...rs 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...

Page 3: ...tricted Access Location RAL Emissions 47 CFR Part 15 Subpart B 47 CFR Part 15 Subpart B Class B EN 55022 1998 Class B EN 55022 1998 Class B Radiated and Conducted EN 55024 1998 IEC 61000 Immunity EN55...

Page 4: ...features of your card This chapter covers applications and uses of the TC400 Series in the real world 2 Card Installation Provides instructions for installing the card in your PC acquiring correct dri...

Page 5: ...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 wh...

Page 6: ...on of card cage accessories 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 ser...

Page 7: ...sterisk in the Call Center 15 Asterisk in the Network 15 Asterisk Everywhere 15 Chapter 2 Card Installation 16 Unpacking the Card 17 Shipment Inspection 17 Slot Compatibility 20 Hardware Installation...

Page 8: ...Digium Inc Page 8 Table Of Contents Appendix A Specifications 32 Appendix B Glossary and Acronyms 34...

Page 9: ...nc Page 9 List of Figures Figure 1 Sample Telco Application 12 Figure 2 Sample Network Application 13 Figure 3 TC400B Card 18 Figure 4 TCE400 Card 19 Figure 5 Motherboard Slots 20 Figure 6 Insert the...

Page 10: ...Digium Inc Page 10 List of Tables Table A 1 Maximum Power Consumption 33...

Page 11: ...ions in software are very expensive in terms of MIPS and require a substantial amount of CPU time to accomplish A TC400 Series card not only relieves the CPU of this duty freeing it up to handle other...

Page 12: ...gistration process associated with Digium s software based G 729a codec licensing Features 120 channels of bi directional G 729a 8 Kbit transcoding or 92 channels of bi directional G 723 1 5 3 Kbit an...

Page 13: ...Digium Inc Page 13 Chapter 1 Overview Figure 2 Sample Network Application...

Page 14: ...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...

Page 15: ...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 more Asterisk in the Network In...

Page 16: ...on page 17 Shipment Inspection on page 17 Slot Compatibility on page 20 Hardware Installation on page 22 Software Installation on page 23 Note The TC400 Series card installation instructions are writt...

Page 17: ...or proof of damage during shipment Note Only qualified service personnel should install the card Users should not attempt to perform this function Shipment Inspection The following items are included...

Page 18: ...Digium Inc Page 18 Chapter 2 Card Installation Figure 3 TC400B Card Keyed for 3 3 or 5 volt PCI TC400M voice processing module...

Page 19: ...Digium Inc Page 19 Chapter 2 Card Installation Figure 4 TCE400 Card...

Page 20: ...sure it is compatible with your PCI slot To determine which slot you have identify it by comparing it to those shown in the figure below Slot Number 0 AGP Pro Slot 1 64 bit 5 0 volt PCI Slot 2 64 bit...

Page 21: ...5 the TC400B card will fit into Slots 1 2 or 3 PCI slots but will not fit into Slot 0 AGP slot The TCE400 card is a PCI Express card Slot 4 illustrated above is a 1 lane X1 PCI Express compliant slot...

Page 22: ...r down your computer 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 the PCI or PCI Express slot...

Page 23: ...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 in...

Page 24: ...t recent version of the Asterisk and DAHDI software for the best results If you have previously installed either of these Digium recommends that you upgrade to the latest current version of each Note...

Page 25: ...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 l...

Page 26: ...e Loaded wctc4xxp tc400b0 Attached to device at 0000 00 0a 0 wctc4xxp tc400b0 G 729a G 723 1 Transcoder support LOADED firm ver 6 12 wctc4xxp tc400b0 Installed a Wildcard TC Wildcard TC400P TC400M dah...

Page 27: ...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 c...

Page 28: ...up 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 k...

Page 29: ...le 92 calls of G 729a or G 723 1 5 3 Kbit and 6 3 Kbit mode g729 This option will enable 120 calls of G 729a mode g723 This option will enable 92 calls of G 723 1 5 3 Kbit and 6 3 Kbit Testing Your Co...

Page 30: ...the maximum number of open file descriptors allowed on your system using the ulimit utility First log into a Linux shell as the user running the asterisk process i e usually root Check the current ma...

Page 31: ...by executing modprobe dahdi_dummy Where can I ask even more questions There are several places to inquire for more information about Digium products 1 Digium Technical Support 1 256 428 6161 is avail...

Page 32: ...0 63 11 9 x 6 4 x 1 6 cm PCB size does not include the PCI bracket Weight 2 5 oz 70 9 gm Interfaces PCI Bus TC400B 3 3V or 5V bus slot half length slot minimum size 33MHz minimum bus speed compliant w...

Page 33: ...Kbit law u law law a law Hardware and Software Requirements 400 Mhz Pentium III or better 512 MB RAM Available PCI or PCI E Slot as described previously Linux 2 6 kernel Table A 1 Maximum Power Consum...

Page 34: ...poses 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 b...

Page 35: ...e 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...

Page 36: ...mer 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 rou...

Page 37: ...672 voice channels DS0s 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 0...

Page 38: ...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 S...

Page 39: ...me 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 do...

Page 40: ...carrier frequencies and TDM separates signals by interleaving bits one after the other MUX multiplexer A device which transmits multiple signals over a single communications line or channel See multip...

Page 41: ...elephone 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 a...

Page 42: ...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 telephon...

Page 43: ...known as mu law is the PCM quasi logarithmic curve It is the 64 Kbps standard North America voice amplitude sample used for encoding decoding V volts VoIP Voice over IP Technology used for transmittin...

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