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1. a third party including but not limited to loss of data or information loss of profits or loss of use ADTRAN is not liable for damages for any cause whatsoever whether based in contract tort or otherwise in excess of the amount paid for the item Some states do not allow the limitation or exclusion of liability for incidental or consequential damages so the above limitation or exclusion may not apply to Customer 2001 ADTRAN Inc TA 850 User Manual Echo Canceller UIG 61200384L1 31A Page 12 of 20 TA 850 User Manual 2001 ADTRAN Inc Echo Canceller UIG 61200384L1 31A Page 13 of 20 Customer Service Product Support Information and Training ADTRAN will replace or repair this product within five years from the date of shipment if the product does not meet its published specification or if it fails while in service A return material authorization RMA is required prior to returning equipment to ADTRAN For service RMA requests training or more information see the toll free contact numbers given below Presales Inquiries and Applications Support Please contact your local distributor ADTRAN Applications Engineering or ADTRAN Sales Applications Engineering 800 615 1176 Sales 800 827 0807 Post Sale Support Please contact your local distributor first If your local distributor cannot help please contact ADTRAN Technical Support and have the unit serial number available Technical Suppo
2. an acceptable method of connection In some cases the company s inside wiring associated with a single line individual service may be extended by means of a certified connector assembly tele phone extension cord The customer should be aware that compliance with the above conditions may not prevent degradation of service in some situations Repairs to certified equipment should be made by an authorized Canadian maintenance facility designated by the supplier Any repairs or alterations made by the user to this equipment or equipment malfunctions may give the telecommunications company cause to request the user to disconnect the equipment Users should ensure for their own protection that the electrical ground connections of the power utility telephone lines and internal metallic waterpipe system if present are connected together This precaution may be particularly important in rural areas dn Users should not attempt to make such connections themselves but should contact CAUT the appropriate electric inspection authority or an electrician as appropriate The Load Number LN assigned to each terminal device denotes the percentage of the total load to be connected to a telephone loop which is used by the device to prevent overloading The ter mination on a loop may consist of any combination of devices subject only to the equipment that the total of the LNs of all devices does not exceed 100 The ringer equivalence number R
3. by email at training adtran com Training 800 615 1176 ext 7500 TA 850 User Manual 2001 ADTRAN Inc Echo Canceller UIG 61200384L1 31A Page 15 of 20 ECHO CANCELLER USER INTERFACE GUIDE This User Interface Guide is designed for use by network administrators and others who will configure and provision the system It contains Echo Canceller overview information module installation instructions and menus CONTENTS Echo Canceller Overview 000 e cece eee eee hh hh nnn 17 Installing a Module 1 cil erties Jie beg ees Sete tae ede 17 Echo Canceller Menus 0 000 e cece eee eee eee hh n nh nnn 18 FIGURES Figure 1 Modules Menu 0 20 eee ete hh hh 18 Figure 2 Modules Modules Menu 000 eee eee eae 19 Figure 3 Provisioning Menu 2c cee ete teen teens 19 Figure 4 Provisioning ADPCM Menu 0 000 cece eee eee eee 20 2001 ADTRAN Inc TA 850 User Manual Echo Canceller UIG 61200384L1 31A Page 16 of 20 TA 850 User Manual 2001 ADTRAN Inc Echo Canceller UIG 61200384L1 31A Page 17 of 20 1 ECHO CANCELLER OVERVIEW The Echo Canceller Module adds ATM functionality to the TA 850 and is used exclusively with the T1 RCU Voice over packet cell applications require that Echo Cancellation techniques be applied to the voice traffic to achieve high quality voice The Echo Canceller is used in ATM voice applications that requ
4. EN assigned to each terminal adapter is used to determine the total number of devices that may be connected to each circuit The sum of the RENs from all devices in the circuit should not exceed a total of 5 0 2001 ADTRAN Inc TA 850 User Manual Echo Canceller UIG 61200384L1 31A Page 8 of 20 Affidavit Requirements for Connection to Digital Services An affidavit is required to be given to the telephone company whenever digital terminal equipment without encoded analog content and billing protection is used to transmit digital signals containing encoded analog content which are intended for eventual conversion into voiceband analog signals and transmitted on the network The affidavit shall affirm that either no encoded analog content or billing information is being transmitted or that the output of the device meets Part 68 encoded analog content or billing protection specifications End user customer will be responsible for filing an affidavit with the local exchange carrier when connecting unprotected customer premise equipment CPE to 1 544 Mbps or subrate digital services Until such time as subrate digital terminal equipment is registered for voice applications the affidavit requirement for subrate services is waived TA 850 User Manual 2001 ADTRAN Inc Echo Canceller UIG 61200384L1 31A Page 9 of 20 Affidavit for Connection of Customer Premises Equipment to 1 544 Mbps and or Subrate Digital Serv
5. Echo Canceller UIG 61200384L1 31A Page 1 of 20 ECHO CANCELLER User Interface Guide UIG 1200384L1 Echo Canceller January 2001 2001 ADTRAN Inc TA 850 User Manual Echo Canceller UIG 61200384L1 31A Page 2 of 20 Trademarks Any brand names and product names included in this manual are trademarks registered trademarks or trade names of their respective holders To the Holder of the Manual The contents of this manual are current as of the date of publication ADTRAN reserves the right to change the contents without prior notice In no event will ADTRAN be liable for any special incidental or consequential damages or for commercial losses even if ADTRAN has been advised thereof as a result of issue of this publication ADRAN 901 Explorer Boulevard P O Box 140000 Huntsville AL 35814 4000 256 963 8000 2001 ADTRAN Inc All Rights Reserved Printed in U S A TA 850 User Manual 2001 ADTRAN Inc Echo Canceller UIG 61200384L1 31A Page 3 of 20 Win Notes provide additional useful information d Caution signify information that could prevent service interruption Warnings provide information that could prevent damage to the equipment or Y A Ww ARNING endangerment to human life Safety Instructions When using your telephone equipment please follow these basic safety precautions to reduce the risk of fire electrical shock or personal injury 1 Do not use t
6. ance But if advance notice isn t practical you will be notified as soon as possible You will be advised of your right to file a com plaint with the FCC Your telephone company may make changes in its facilities equipment opera tions or procedures that could affect the proper operation of your equipment If they do you will be given advance notice to give you an opportunity to main tain uninterrupted service If you experience trouble with this equipment TA 850 please contact ADT RAN for repair warranty information The telephone company may ask you to disconnect this equipment from the network until the problem has been cor rected or until you are sure the equipment is not malfunctioning This unit contains no user serviceable parts The FCC recommends that the AC outlet to which equipment requiring AC power is to be installed is provided with an AC surge arrester The following information may be required when applying to your local tele phone company for leased line facilities Service Type REN SOC FIC USOC 1 544 Mbps SF 6 0N 04DU9 BN RJ 48C 1 544 Mbps SF and B8ZS 6 0N 04DU9 DN RJ 48C 1 544 Mbps ESF 6 0N 04DU9 1KN RJ 48C 1 544 Mbps ESF and B8ZS 6 0N 04DU9 1SN RJ 48C 2001 ADTRAN Inc TA 850 User Manual Echo Canceller UIG 61200384L1 31A Page 6 of 20 Federal Communications Commission FCC Statement This equipment has been tested and found to comply with the limits for a Class A digital device p
7. duct Manual or in ADTRAN s internal specifications and drawings for such products which may or may not be reflected in the Product Manual This warranty only applies if Customer gives ADTRAN written notice of defects during the warranty period Upon such notice ADTRAN will at its option either repair or replace the defective item If ADTRAN is unable in a reasonable time to repair or replace any equipment to a condition as warranted Customer is entitled to a full refund of the purchase price upon return of the equipment to ADTRAN This watranty applies only to the original purchaser and is not transferable without ADTRAN s express written permission This warranty becomes null and void if Customer modifies or alters the equipment in any way other than as specifically authorized by ADTRAN EXCEPT FOR THE LIMITED WARRANTY DESCRIBED ABOVE THE FOREGOING CONSTITUTES THE SOLE AND EXCLUSIVE REMEDY OF THE CUSTOMER AND THE EXCLUSIVE LIABILITY OF ADTRAN AND IS IN LIEU OF ANY AND ALL OTHER WARRANTIES EXPRESSED OR IMPLIED ADTRAN SPECIFICALLY DISCLAIMS ALL OTHER WARRANTIES INCLUDING WITHOUT LIMITATION ALL WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE SOME STATES DO NOT ALLOW THE EXCLUSION OF IMPLIED WARRANTIES SO THIS EXCLUSION MAY NOT APPLY TO CUSTOMER In no event will ADTRAN or its suppliers be liable to Customer for any incidental special punitive exemplary or consequential damages experienced by either Customer or
8. erforms echo cancellation per G 165 and G 168 for up to 24 voice ports e Enables disables echo cancellation on a per port basis e Provides per port G 164 2100 Hz or G 165 2100 Hz phase reversal tone detection e Performs voice compression per G 721 for up to 24 voice ports Echo Canceller with ADPCM only e Enables disables ADPCM on a per port basis Echo Canceller with ADPCM only 2 INSTALLING A MODULE After installing the TA 850 Base Unit and connecting the required cables you can install necessary modules W ARNING renove the 20 Hz fuse before exposing backplane or accessing channel units Electronic modules can be damaged by static electrical discharge Before handling modules wear an antistatic discharge wrist strap to prevent damage to electronic components Place modules in UT antistatic packing material when transporting or storing When working on modules always place them on an approved antistatic mat that is electrically grounded Individual access modules insert from the front A locking bar holds the modules in place for added security Disen gaging the captured screw allows removal of the locking bar All wiring connections terminate on the backplane 2001 ADTRAN Inc TA 850 User Manual Echo Canceller UIG 61200384L1 31A Page 18 of 20 The following step action table tells how to install a module Instructions for Installing Module in the TA 850 Step Action 1 Hold the m
9. his product near water such as a bathtub wash bowl kitchen sink laundry tub in a wet basement or near a swimming pool 2 Avoid using a telephone other than a cordless type during an electrical storm There is a remote risk of shock from lightning 3 Do not use the telephone to report a gas leak in the vicinity of the leak Use only the power cord power supply and or batteries indicated in the man ual Do not dispose of batteries in a fire They may explode Check with local codes for special disposal instructions Save These Important Safety Instructions 2001 ADTRAN Inc TA 850 User Manual Echo Canceller UIG 61200384L1 31A Page 4 of 20 TA 850 User Manual 2001 ADTRAN Inc Echo Canceller UIG 61200384L1 31A Page 5 of 20 FCC regulations require that the following information be provided in this manual to the customer 1 For a T1 Port This equipment complies with Part 68 of the FCC rules The required label is affixed to the bottom of the chassis An FCC compliant telephone cord and modular plug is provided with this equipment This equipment is designed to be connected to the telephone net work or premises wiring using a compatible modular jack which is Part 68 compliant See installation instructions for details If your telephone equipment TA 850 causes harm to the telephone network the telephone company may discontinue your service temporarily If possible they will notify you in adv
10. ices For the work to be performed in the certified territory of telco name State of County of I name business address telephone number being duly sworn state I have responsibility for the operation and maintenance of the terminal equipment to be connected to 1 544 Mbps and or subrate digital services The terminal equipment to be connected complies with Part 68 of the FCC rules except for the encoded analog content and billing protection specifications With respect to encoded analog content and billing protection Lattest that all operations associated with the establishment maintenance and adjustment of the digital CPE with respect to analog content and encoded billing protection information con tinuously complies with Part 68 of the FCC Rules and Regulations The digital CPE does not transmit digital signals containing encoded analog content or billing information which is intended to be decoded within the telecommunications network The encoded analog content and billing protection is factory set and is not under the control of the customer I attest that the operator s maintainer s of the digital CPE responsible for the establish ment maintenance and adjustment of the encoded analog content and billing information has have been trained to perform these functions by successfully having completed one of the following check appropriate blocks A A training course provided by the manufactu
11. ire G 168 echo cancellation This mod ule cancels echo for up to 24 voice ports The T1 RCU must be using Voice Over ATM firmware to be able to use this module Firmware can be updated by using XMODEM transfer protocol via the base unit s CRAFT port or by using TFTP from a network server Refer to the TI RCU VoATM User Interface Guide document number 61200376L2 31A for instructions on updating firm ware The Echo Canceller which installs in special slots A and B is available with or without Adaptive Differential Pulse Code Modulation ADPCM ADPCM is a speech coding algorithm which uses fewer bits than the traditional Pulse Code Method PCM allowing you to get more calls into less space The Echo Canceller with ADPCM performs 32 kbps ADPCM voice compression on up to 24 voice ports ADPCM voice compression is per ITU T G 721 An un compressed 64 kbps PCM voice port requires roughly 77 kbps of WAN bandwidth the bandwidth required above 64 kbps is overhead due to the ATM cell header For a 1 536 Mbps T1 line only 19 voice ports can be active simul taneously with practically no bandwidth left over for data A 32 kbps G 721 compressed voice port requires roughly 38 5 kbps For a 1 536 Mbps T1 line 24 voice ports can be active simultaneously the maximum allowed by the TA 850 Even with 24 compressed voice ports active approximately 611 kbps of bandwidth is still available for data The Echo Canceller provides the following functions e P
12. odule by the faceplate while supporting the bottom side 2 Align the module edges to the guide grooves for the designated slot 3 Insert the module until the edge connector seats firmly into the backplane 4 Lock the unit in place by pushing in on the locking lever 5 Connect the cables to the associated device s 3 ECHO CANCELLER MENUS After booting up go to the MODULES menu Figure 1 y nfo System Config System Utility WAN D Access module menus Figure 1 Modules Menu TA 850 User Manual 2001 ADTRAN Inc Echo Canceller UIG 61200384L1 31A Page 19 of 20 Press Enter to access the MODULES MODULES menu Figure 2 Arrow down to Slot 7 EC ADPCM and over to the MENU column Z Provisioning nu Alarm Modules U 35 Setup g Figure 2 Modules Modules Menu Press Enter The PROVISIONING menu Figure 3 appears Pro Figure 3 Provisioning Menu 2001 ADTRAN Inc TA 850 User Manual Echo Canceller UIG 61200384L1 31A Page 20 of 20 Arrow to ECHO CANCELLER and press Enter to view choices for this menu ENABLE or DISABLE Arrow to ADPCM and press Enter to access the PROVISIONING ADPCM menu Figure 4 disabled as shown in Figure 4 Win For the Echo Canceller Module without ADPCM 1200384L1 make sure all ADPCM channels are 0 1 2 3 4 5 6 Hi 8 9 0 Figure 4 Provisioning ADPCM Menu TA 850 User Manual 2001 ADTRAN Inc
13. rer grantee of the equipment used to encode analog signals or B A training course provided by the customer or authorized representative using training materials and instructions provided by the manufacturer grantee of the equipment used to encode analog signals or C An independent training course e g trade school or technical institution recognized by the manufacturer grantee of the equipment used to encode analog signals or D In lieu of the preceding training requirements the operator s maintainer s is are under the control of a supervisor trained in accordance with circle one above 2001 ADTRAN Inc TA 850 User Manual Echo Canceller UIG 61200384L1 31A Page 10 of 20 I agree to provide telco s name with proper documentation to demonstrate compliance with the information as provided in the preceding paragraph if so requested Signature Title Date Transcribed and sworn to before me This day of 2000 Notary Public My commission expires TA 850 User Manual 2001 ADTRAN Inc Echo Canceller UIG 61200384L1 31A Page 11 of 20 Limited Product Warranty ADTRAN warrants that for ten 10 years from the date of shipment to Customer all products manufactured by ADTRAN will be free from defects in materials and workmanship ADTRAN also warrants that products will conform to the applicable specifications and drawings for such products as contained in the Pro
14. rt 888 4ADTRAN The Custom Extended Services ACES program offers multiple types and levels of service plans which allow you to choose the kind of assistance you need For questions call the ACES Help Desk ACES Help Desk 888 874 2237 Repair and Return If ADTRAN Technical Support determines that a repair is needed Technical Support will coordinate with the Custom and Product Service CAPS department to issue an RMA number For information regarding equipment currently in house or possible fees associated with repair contact CAPS directly at the following number CAPS Department 256 963 8722 2001 ADTRAN Inc TA 850 User Manual Echo Canceller UIG 61200384L1 31A Page 14 of 20 Identify the RMA number clearly on the package below address and return to the following address ADTRAN Customer and Product Service 6767 Old Madison Pike Building 6 Suite 690 Huntsville Alabama 35807y RMA Training The Enterprise Network EN Technical Training offers training on our most popular products These courses include overviews on product features and functions while covering applications of ADTRAN s product lines ADTRAN provides a variety of training options including customized training and courses taught at our facilities or at your site For more information about training please contact your Territory Manager or the Enterprise Training Coordinator by phone at 800 615 1176 ext 7500 by fax at 256 963 7941 or
15. ursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio frequencies Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Shielded cables must be used with this unit to ensure compliance with Class A FCC limits Change or modifications to this unit not expressly approved by the party W ARNING responsible for compliance could void the user s authority to operate the equipment TA 850 User Manual 2001 ADTRAN Inc Echo Canceller UIG 61200384L1 31A Page 7 of 20 Canadian Equipment Limitations The Industry Canada Certification label identifies certified equipment This certification means that the equipment meets certain telecommunications Win network protective operational and safety requirements The Department of Commerce does not guarantee the equipment will operate to the user s satisfaction Before installing this equipment users should ensure that it is permissible to be connected to the facilities of the local telecommunications company The equipment must also be installed using
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