T1 CSU ACE (1st Gen) User Manual
Contents
1. Canadian Emissions Requirements iv Canadian Equipment Limitations v Connecting to the network and CPE 2 3 Connector Type 4 1 Customer LBO Switch Positions 2 1 D Data Rate 4 1 E Environmental specifications 4 2 EQ LB 1 4 EQ LOS 1 4 EQ MON 2 3 Equip LOS LED indicator 4 2 Equipment LOS 1 4 Equipment LOS problems 3 2 F FCC Radio Frequency Interference State ment iv FCC regulations iii installation 2 1 L LBO Switch positions 2 1 LBO line buildout 1 6 LED Indicators specifications 4 1 limited product warranty ix 61202022L1 20 T1 CSU ACE User Manual Line Build Out 1 6 Line 4 wire 4 1 Loopback 1 5 Maintenance 3 2 Monitor Jacks 2 3 N NET LB 1 4 NET LOS 1 4 Net LOS LED indicator 4 1 NET MON 2 3 Network and Customer Interface specifi cations 4 1 Network LBO Switch Positions 2 1 Network Loopback 1 5 Network LOS 1 4 Network LOS problems 3 1 Output Amplitude 4 1 Power 1 4 POWER 1 4 power options 1 3 Power LED indicator 4 1 Power problems 3 1 Power specifications 4 2 Powering the Unit 2 2 R return material authorization RMA vi 5 safety instructions vi Setting the LBO switch positions 2 1 Signal Format 4 1 Specifications 4 1 Index 1 Index T U T1 Channel Service Unit Advanced Com Unit overview 1 1 munications Equipment 1 1 T1 CSU ACE 1 1 W Temperature storage and operation 4 2 Wall Mounting how to 2 5 test and monito2. State of Country of I of Name of Authorized Representative Customer Name Customer s Address Telephone Number being duly sworn state Ihave 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 con nected complies with part 68 of the commissions rules except for the en coded analog content and billing protection specifications With respect to encoded analog content and billing protection e Iattest that all operations associated with the establishment main tenance and adjustment of the digital CPE with respect to encoded analog content and encoded billing information continuously com plies with Part 68 of the FCC s Rules and Regulations e The digital CPE does not transmit digital signals containing encod ed analog content or billing information which is intended to be de coded within the telecommunications network e The encoded analog 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 establishment maintenance and adjustment of the encoded an alog content and billing information has have been trained to perform vii these functions by successfully completing one of the following Check appropriate ones s A training course provided by the manufacturer grantee of th
3. ment is not malfunctioning 5 This unit contains no user serviceable parts 6 AnFCC compliant telephone cord with a modular plug is pro vided with this equipment This equipment is designed to be con nected to the telephone network or premises wiring using an FCC compatible modular jack which is Part 68 compliant 7 Thefollowing information may be required when applying to the local telephone company for leased line facilities Service Type Digital Facility Service Network Interface Code Order Code Jacks 1 544 MB S Digital Interface SF 04DU9 BN 6 0N RJ48C 1 544 MB S Digital Interface ESF 04DU9 DN 1 544 MB S Digital Interface ESF with 75 04DU9 1KN 04DU9 1SN 8 Incase of equipment malfunction all repairs must be performed by ADTRAN or an authorized agent It is the responsibility of users requiring service to report the need for service to ADTRAN or one of our authorized agents Service can be facilitated through our office See the back page of this manual for address and phone numbers Federal Communications Commission Radio Frequency Interference Statement This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules This device complies with Part 15 of the FCC rules Operation is subject to the following two conditions 1 This device may not cause harmful interference 2 This device must accept any interference received i
4. 0000 from the network side for five sec onds It can be cleared by sending the 1 in 3 pattern 100100100 for five seconds The patterns may be Unframed or Framed SF or ESF ADRAN CSU AN ur NETWORK LOS EQUIPMENT LOS i NI LOOPBACK i ON i MANUALLB Figure 1 5 T1 CSU ACE Loopback Switch and LED 61200022L1 1 T1 CSU ACE User Manual 1 5 Chapter 1 General LINE BUILD OUT The five position switch on the front of T1 CSU ACE selects Line Build Out LBO See Figure 1 6 Separate LBOs set the transmit levels for the network and CPE sides of the CSU ACE The receivers on both sides of the CSU ACE contain Automatic Line Build Out ALBO cir cuitry to compensate for loss On the Network side the amount of attenuation in decibels dB spec ified by the carrier can be selected as shown in Table 2 1 on page 2 1 On the CPE side the amount of attenuation is determined by the maximum length of cable between the CSU ACE and the as shown in Table 2 2 on page 2 1 ADRAN T CSU NETWORK LOS EQUIPMENT LOS WERT ACIE LOOPBACK NET EQ MON MANUAL LB EQ IN EQ OUT NET IN NET OUT POSITION 3 POSITION 2 qun POSITION 1 180 LBO SWITCH i Figure 1 6 Line Build Out Switch 1 6 T1 CSU ACE User Manual 6120002211 1 Chapter 2 Installation SETTING THE LBO SWITCH POSITIONS Network and customer LBO Switch position settings
5. 1 Power Connection With the T1 CSU face up plug the cable in with the plug oriented as shown above NOTE 2 2 T1 CSU ACE User Manual 61200022L1 1 Chapter 2 Installation CONNECTING TO THE NETWORK AND CPE Two RJ 48C modular connectors are located on the bottom of the T1 CSU ACE see Figure 2 1 on page 2 2 Net connects the unit to the network via the network cable The connector marked CPE connects the cable from the CPE to the T1 CSU ACE Notify the carrier before connecting the T1 CSU ACE to the carrier net work Connect the T1 CSU ACE to the network demarcation before con necting to the CPE Connector pin assignments for the RJ 48C are listed in Table 2 3 Table 2 3 RJ48C Connector Pin Assignments PIN NET CPE 1 R1 Receive from Network Transmit to DTE 2 ITI 3 Not Used Not Used 4 R Transmit to Network Receive from DTE 5 T 6 Not Used Not Used 7 Used Not Used 8 Not Used Not Used TEST AND MONITOR ACCESS The six Bantam jacks located on the back of the T1 CSU ACE provide test and monitor access for the network and equipment side of the CSU ACE The diagram on the face of the unit shows each jack s function as seen in Figure 2 2 on page 2 4 Monitor Jacks The first two jacks are monitor jacks which bridge the received signals so that the circuit can be monitored while in service NET MON monitors the signal received from the network EQ M
6. 3 Remove the protective paper covering from the remaining adhesive sur face Firmly place the unit on the desired mounting surface VELCRO APPROVAL LABEL VELCRO Figure 2 3 Wall Mounting 61200022L1 1 T1 CSU ACE User Manual 2 5 Chapter 2 Installation 2 6 T1 CSU ACE User Manual 61200022L1 1 Chapter3 Troubleshooting and Maintenance Troubleshooting guidelines and maintenance information are provid ed in this chapter TROUBLESHOOTING Power Condition LED is not illuminated 1 Iflocally powered verify the power cable installation 2 If line powered verify the cable installation Notify the carrier Network LOS Condition LED is illuminated 1 Verify that the cable from the network demarcation is in NET modular jack on the bottom end of the T1 CSU ACE 2 Ifall connections seem intact the far end T1 CSU ACE can be looped back using a BERT test set to send the LB code or using MANUAL LB at the other end to isolate the problem to the far end customer premises or the network 3 Ifthe problem persists after the LB has been activated the prob lem appears to be within the network or the far end T1 CSU ACE In this case notify the carrier 4 Ifthe problem disappears after loop up then the cause must be at the far end customer premises 61202022L1 20 T1 CSU ACE User Manual 3 1 Chapter 3 Troubleshooting and Maintenance Equipment LOS Condition LED is ill
7. CSU ACE Power Supply 61200022L1 1 T1 CSU ACE User Manual 1 3 Chapter 1 General ALARMS The T1 CSU ACE provides five LED alarms on the front of the unit to help troubleshoot the communication channel See Figure 1 4 The alarm descriptions are as follows The POWER LED shows that the unit is receiving power NET LOS indicates loss of signal LOS from the network EQLOS is illuminated when a loss of signal from the CPE is de tected NET LB indicates either a manual network loopback or a net work activated network loopback EQ LB indicates a manual equipment loopback NETWORK LOS TEST JACKS EQUIPMENT LOS EQ IN EQ OUT NET IN NET OUT MI POWER i HE NET LOS B EQ LOS Figure 1 4 T1 CSU ACE LED Alarms 1 4 T1 CSU ACE User Manual 6120002211 1 Chapter 1 General LOOPBACK T1 CSU ACE supports three types of loopbacks LB whereby the unit loops the signal received from the network back to the network and transmits an unframed all 1s pattern to the CPE The signal received from the CPE is ignored The LOOPBACK LED see Figure 1 5 will be illuminated when either form of network loopback is in progress The first type of LB manual loopback is initiated by switching on the MANUAL switch on the front of the unit and will continue until it is switched off See Figure 1 5 The second type of loopback Network LB is activated by sending the unit a 1 in 5 pattern 1000001
8. E Power Supply 1 3 Figure 1 4 T1 CSU ACE LED 1 1 4 Figure 1 5 T1 CSU ACE Loopback Switch and LED 1 5 Figure 1 6 Line Build Out Switch 1 6 Figure 2 1 Power Connection 2 2 Figure 2 2 T1 CSU ACE Bantam 2 4 Figure 2 3 Wall Mounting 2 5 61202022L1 20 T1 CSU ACE User Manual xiii List of Figures xiv T1 CSU ACE User Manual 61202022L1 20 List of Tables Table 2 1 Table 2 2 Table 2 3 Network LBO Switch Position Settings Customer LBO Switch Position Settings RJA8C Connector Pin Assignments 61202022L1 20 T1 CSU ACE User Manual List of Tables xvi T1 CSU ACE User Manual 61202022L1 20 Chapter 1 General UNIT OVERVIEW The ADTRAN 1 Channel Service Unit CSU Advanced Communi cations Equipment ACE provides the T1 interface between customer premises equipment CPE such as channel banks T1 multiplexers PBSs etc and the carrier network as shown in Figure 1 1 The unit complies with Part 68 of FCC Rules and with applicable sections of AT amp T 62411 ANSI T1 102 and ANSI 1 403 The unit provides functions such as surge protection signal regener ation alarms loopbacks necessary for circuit operation and fault iso lation as illustrated in Figure 1 2 on page 1 2 The unit is transparent to ESF or
9. ON monitors the signal re ceived from the CPE 61200022L1 1 T1 CSU ACE User Manual 2 3 Chapter 2 Installation Break and Test Jacks The other four jacks are break and test jacks and are used for out of service testing These jacks bypass the connections of the modular jacks NET IN and NET OUT are used to simulate the network input and output of the T1 CSU ACE To test the CPE a T1 Bit Error Rate Test BERT test set can be used to simulate the network EQ IN and EQ OUT can be used to simulate the CPE with a BERT test set allow ing the network to be tested The T1 CSU ACE on the other end of the circuit can be looped back to test only the network Most BERT test sets have the ability to send LB enable and LB clear codes TEST JACKS 5 pun i NET MON SE i cauirmenrios TEST B ioorsaek NET HON Hi i EQIN Aio i raour NETOUT SIDE VIEW Figure 2 2 T1 CSU ACE Bantam Jacks 2 4 T1 CSU ACE User Manual 61200022L1 1 Chapter 2 Installation WALL MOUNTING Two strips of Velcro are included with the unit for wall mounting With out separating the Velcro surfaces remove the protective paper cover ing from the adhesive surface on one side of each strip On the back of the unit firmly place one Velcro strip on the area above the approvals label and one strip below the approvals label as shown in Figure 2
10. RAN written notice of defects during the war ranty period Upon such notice ADTRAN will at its option either re pair 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 warranty applies only to the origi nal purchaser and is not transferable without ADTRAN s express writ ten 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 W ARRANTY 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 EX PRESSED 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 EX CLUSION 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 ex perienced by either Customer or a third party including but not limit ed to loss of data or information loss of profits or loss of use ADTRAN is not liable for damages for any cause whatsoever whe
11. SF framing formats and AMI or B8ZS line coding PBX mE peu Channel Bank Host FEP I Hos 5 Router Figure 1 1 T1 CSU ACE Applications 61200022L1 1 T1 CSU ACE User Manual 1 1 General Chapter 1 A NOILOJLOHd EA 19195 SIV s zz 6 i92 0 9 JONUOW SOT 1 3ouns Y A 1 NI O3 g11ueuidinb3 LNO LAN uMd SO11ueudinb3 Alddns H3MOd 91 IvANVW HOSN3S 4 501 XIOMION H3MOd W901 1334 999 0 H31H3SNI SIV 40193130 NOILOJLOHd Y Y om HOLINONW SOT 81 IVANVW ogly 3ouns 3009 4001 10009 NI LAN LNAWdINOA VIEN Figure 1 2 T1 CSU ACE Block Diagram 6120002211 1 1 CSU User Manual 1 2 Chapter 1 General POWER OPTIONS The T1 CSU ACE may receive power from a local power supply located on the customer s premises Local power be supplied by the custom er s own 12 to 48 volt supply with the supplied power cable or by the wall mount power supply shipped with the unit see Figure 1 3 The wall mount power supply is an NEC class 2 device See Powering the Unit on page 2 2 for details on ARNING connecting the power to the unit Figure 1 3 T1
12. T1 CSU ACE Part Number 1200022L2 Document Number 61200022L2 20A October 2000 ADRAN 901 Explorer Boulevard P O Box 140000 Huntsville AL 35814 4000 256 963 8000 2000 ADTRAN Inc All Rights Reserved Printed in U S A FCC regulations require that the following information be provided in this manual 1 This equipment complies with Part 68 of the FCC rules On the bot tom of the equipment housing is a label that shows the FCC Regis tration Number and Ringer Equivalence Number REN for this equipment If requested provide this information to the telephone company REN is not required for some types of analog or digital facilities 2 If this equipment causes harm to the telephone network the tele phone company may temporarily discontinue service If possible advance notification is given otherwise notification is given as soon as possible The telephone company will advise the customer of the right to file a complaint with the FCC 3 The telephone company may make changes in its facilities equip ment operations or procedures that could affect the proper opera tion of this equipment advance notification and the opportunity to maintain uninterrupted service is given 4 Ifexperiencing difficulty with this equipment please contact ADTRAN for repair and warranty information The telephone company may require this equipment to be disconnected from the network until the problem is corrected or it is certain the equip
13. ance ses ED Rr LIE EA a hd oe P AEn DER 3 2 Chapter4 5 4 1 Network and Customer Interface 4 1 DEMING per T ENS 4 1 Data Rate voee ELDER 4 1 Signal Format eese ee eem 4 1 Output Amplitude 4 1 Connector TYPE ves oe i Ae Ene 4 1 LED Indicators ere ee ER 4 1 eque brem SA baw EAS 4 1 61202022L1 20A T1 CSU ACE User Manual xi Table of Contents NetEOS dn SALE 4 1 Equip LOS eeens packets 4 2 4 2 4 2 Span hota 4 2 Local POWER x i E A Pe Ste CIS 4 2 4 2 dr dace etc des 4 2 Relative 4 2 Index 0 04 Rho Waal eles RR Oe Index 1 xii T1 CSU ACE User Manual 61202022L1 20A List of Figures Figure 1 1 CSU ACE 1 1 Figure 1 2 T1 CSU ACE Block 1 2 Figure 1 3 T1 CSU AC
14. are defined in Table 2 1 and Table 2 2 Table 2 1 Network LBO Switch Position Settings POSITION 1 POSITION 2 ATTENUATION dB On On 0 On Off 7 5 Off On 15 Off Off 22 5 Table 2 2 Customer LBO Switch Position Settings POSITION 3 POSITION 4 POSITION 5 CABLE LENGTH feet Off Off On 0 133 On On Off 134 266 Off On Off 267 399 On Off Off 400 533 Off Off Off 534 655 61200022L1 1 T1 CSU ACE User Manual 2 1 Chapter 2 Installation POWERING THE UNIT The T1 CSU ACE can be line powered if line power from the carrier is available If the T1 CSU ACE relay detects that local power is present the unit will ignore the line power If line power is used the power ca ble should be disconnected from the unit The power is received from the transmit and receive pairs of the network side of the T1 CSU ACE Local power may be tapped using the power cable supplied and the customer s own NEC class 2 48 volt power supply A 48 volt 100 mA wall mount power supply is shipped with the unit See Figure 2 1 for an illustration of cable installation Once power has been applied to the unit the power led will be illuminated I To negative terminal 22 To positive terminal This end plugs This end XN into T1 CSU ACE to ADTRAN or customer s own To AC ground earth ground 48V supply Figure 2
15. e equipment used to encode analog signals or B A training course provided by the customer or autho rized representative using training materials and instruc tions provided by the manufacturer grantee of the equipment used to encode signals or 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 proceeding training requirements the operator s maintainer s is are under the control of a super visor trained in accordance with above I agree to provide with proper documentation Telco s Name to demonstrate compliance with the information as provided in the proceeding paragraph if so requested Signature Title Date Subscribed and sworn to before me this day month Notary Public My commission expires viii LIMITED PRODUCT WARRANTY ADTRAN warrants that for five 5 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 Product Manual or in ADTRAN s in ternal specifications and drawings for such products which may or may not be reflected in the Product Manual This warranty only applies if Customer gives ADT
16. ine individual service may be extended by means of a certified connector assembly telephone extension cord The cus tomer should be aware that compliance with the above limitations may not prevent degradation of service in some situations Repairs to certified equipment should be made by an authorized Cana dian maintenance facility designated by the supplier Any repairs or al terations made by the user to this equipment or equipment malfunctions may give the telecommunications company cause to re quest the user to disconnect the equipment Users should ensure for their own protection that the 4 Electrical ground connections of the power utility tele 1 RNING phone lines and internal metallic water pipe system if N present connected together This precaution be particularly important in rural areas 4 Users should not attempt to make such connections 1 RNING themselves but should contact the appropriate electric N inspection authority or electrician as needed 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 termination on a loop may consist of any combination of devices subject only to the require ment that the total of the Load Numbers of all devices does not exceed 100 IMPORTANT SAFETY INSTRUCTIONS When using telephone equipment please follo
17. ncluding interference that may cause undesired operation No changes or modifications to this unit are allowed unless expressly approved by the party responsible for CAUTION compliance Modifications could void the user s authority to operate the equipment within the FCC rules Canadian Emissions Requirements This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus as set out in the interference causing equipment standard entitled Digital Apparatus ICES 003 of the Department of Communications Cet appareil nuerique respecte les limites de bruits radioelectriques applicables aux appareils numeriques de Class A prescrites dans la norme sur le materiel brouilleur Appareils Numeriques NMB 003 edictee par le ministre des Communications Canadian Equipment Limitations Notice The Canadian Industry and Science Canada label identifies cer tified equipment This certification means that the equipment meets cer tain telecommunications network protective operational and safety requirements The Department does not guarantee the equipment will operate to the user s satisfaction Before installing this equipment users should ensure that it is permis sible to be connected to the facilities of the local telecommunications company The equipment must also be installed using an acceptable method of connection In some cases the company s inside wiring asso ciated with a single l
18. r access 2 3 warranty customer service vi Troubleshooting 3 1 61202022L1 20 T1 CSU ACE User Manual Index 2 Product Support Information Presales Inquiries and Applications Support Please contact your local distributor ADTRAN Applications Engi neering 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 can not help please contact ADTRAN Technical Support and have the unit serial number available Technical Support 888 4ADTRAN Repair and Return If ADTRAN Technical Support determines that a repair is needed Technical Support will coordinate with the Customer and Product Service CAPS department to issue an RMA number For informa tion regarding equipment currently in house or possible fees associat ed with repair contact CaPS directly at the following number CAPS Department 256 963 8722 Identify the RMA number clearly on the package below address and return to the following address ADTRAN Inc CAPS Department 6767 Old Madison Pike Progress Center Building 6 Suite 690 Huntsville AL 35807 RMA
19. ther 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 exclu sion may not apply to Customer Table of Contents List of Figures xiii List of Tables vec RA NICE An xv Chapter1 General 1 1 Unit OVERVIEW ace 535 1 1 Power Options ene eure uc dedu e due 1 3 Alarms ui Lb dp AS D ted b bd b tei 1 4 LOOpback ces desee vo Ee uS datis 1 5 Line Build Out sms so REEL 1 6 Chapter2 Installation 2 1 Setting the LBO switch 2 1 Powering the Unit ies i e de Re y Rm ee yes 2 2 Connecting to The Network and 2 3 Test and Monitor 2 3 Monuitor Jacks mx ERRARE REESE 2 3 Break and Test Jacks 2 4 Wall Mounting coe i gu eee Res 2 5 Chapter3 Troubleshooting and Maintenance 3 1 Troubleshooting oret Re yes 3 1 POWER neni ele re a ee er dde tg 3 1 Network LOS 2d pred AR dog OA 3 1 Equipment LOS csset vao r 3 2 Mainten
20. uminated 1 Verify that the cable from the CPE is in the CPE modular jack on the bottom end of the T1 CSU ACE 2 Ifall connections seem intact use a BERT test set in the NET IN and NET OUT jacks to test the CPE MAINTENANCE The ADTRAN T1 CSU ACE requires no routine maintenance to oper ate No repairs should be performed by the customer Repair services can be obtained by returning the unit to the ADTRAN Customer and Product Service CAPS department as instructed in the Product Sup port page on the back page of this manual 3 2 T1 CSU ACE User Manual 61202022L1 20 Chapter 4 Specifications NETWORK AND CUSTOMER INTERFACE Line 4 Wire R 1 and R1 Data Rate 1 544 Mbps 50 bps Signal Format Bipolar with B8ZS transparency Output Amplitude 6 Volts peak to peak nominal Connector Type 8 modular RJ48C LED INDICATORS Power Power is On Net LOS Loss of Signal from network 61202022L1 20 T1 CSU ACE User Manual 4 1 Chapter 4 Specifications Equip LOS Loss of Signal from CPE Loopback Network or manual loopback POWER Span Power 60 to 140 mA at 30 volts if line powered Local Power 20 to 50 mA at 48 volts ENVIRONMENTAL Temperature Operating 0 to 50 Storage 20 to 70 Relative Humidity Up to 95 non condensing 4 2 T1 CSU ACE User Manual 61202022L1 20 Index A Alarms LED 1 4 Automatic Line Build Out 1 6 B Break and Test Jacks 2 4
21. w these VW ARNING basic safety precautions to reduce the risk of fire elec trical shock or personal injury 1 Donotuse this product near water such as a bathtub wash bowl kitchen sink laundry tub in a wet basement or 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 Donotuse the telephone to report a gas leak in the vicinity of the leak 4 Use only the power cord power supply and or batteries indi cated in the manual Do not dispose of batteries in a fire They may explode Check with local codes for special disposal instruc tions SAVE THESE INSTRUCTIONS Warranty and Customer Service ADTRAN will replace or repair this product within five years from the date of shipment if it does not meet its published specifications or fails while in service For detailed warranty repair and return infor mation refer to the ADTRAN Equipment Warranty and Repair and Return Policy Procedure on the last page of this manual Return Material Authorization RMA is required prior to returning equipment to ADTRAN For service RMA requests or further information contact one of the numbers listed on the last page of this manual vi Affidavit for the Connection of Customer premises Equipment to the 1 544 Mbps and or Subrate Digital Services For work to be performed in the certified territory of Telco s Name
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