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Installing Multiplexers

800-357-104-01, Revision 01

September 29, 2000

HMS-357 List 4 and List 5

HXU-3

Entering the Card ID (System Name) through the Config Menu

Figure 29.

Setting the Card ID Through the HXU-359

Step

Procedure

Installer Check

From the System

submenu, choose Card ID, and then press

Card ID is used to identify multiplexer to DS3 network connection.

Enter a name for the card (network element name), and then press

The name entered is attached to both cards in a protected system.
Card A is the multiplexer in slot A; Card B is the multiplexer in slot B.

Proceed to

“Setting the System Clock Synchronization through the Config Menu” on page 47

Installer Signature

Date

Main

Monitor

History

Config

Test

Inventory

Quit

Help

+----------Set Card ID---------+
|

| +--------------------------+ |
| |

| |

| | ID:

| |

| +--------------------------+ |
|

(ENTER) activate (ESC) quit |

+------------------------------+

ID: ADC | Card 'B'

05/19/00 05:41:31

ALARMS: WARN

Config

ENTER

Содержание 150-2205-04

Страница 1: ...3190 INSTALLATION AND VERIFICATION GUIDE HMS 357 List 4 Part Number 150 2205 04 Split Power CLEI Code T3M12H0E HMS 357 List 5 Part Number 150 2205 05 Redundant Power CLEI Code T3M13H0E 800 357 104 01...

Страница 2: ...d may be trademarks or registered trademarks of their respective companies Disclaimer of Liability Information contained in this document is company private to ADC DSL Systems Inc and shall not be mod...

Страница 3: ...des for a final system verification For detailed information about specific system components refer to the technical practice for that component An abbreviated version of the installation and verifica...

Страница 4: ...upply feeds of the enclosure must be connected to either 1 48 VDC SELV sources or 2 48 VDC sources which are electrically isolated from the AC sector and reliably connected to earth The source s fault...

Страница 5: ...A doivent tres install es sur chaque conducteur 48 Vcc La protection sur courant doit aussi servir d interrupteur si un interrupteur n est pas install Cet quipement peut tre fournit avec des modules...

Страница 6: ...Avis et Avertissements de S curit 800 357 104 01 Revision 01 vi September 29 2000 HMS 357 List 4 and List 5...

Страница 7: ...C 3 Dual Subtended STS 1 Multiplexers 16 Installing the DS3 LIU Module B 16 Wiring the Common Access Panel ______________________________________________________ 19 Installing the Power Cables _______...

Страница 8: ...g Menu 51 Installing the HXU 369 Multiplexer Card 52 Installing a Fan Assembly Optional 54 Placing the Fan Under HMU Management 55 Installing a Line Unit HLU 56 Installing a Remote Unit HRU 57 Setting...

Страница 9: ...ndix B Technical Reference ______________________________________________________ 86 Compatibility 86 System Products 86 Compliance Standards 87 Appendix C Product Support ____________________________...

Страница 10: ...ccess Cover Plate 19 14 Opening the Ferite and Routing the Battery Feed Wires Right Hand Side Rear View 20 15 Grounding the Chassis Right Hand Side Rear View 21 16 Network Interface Connections 22 17...

Страница 11: ...ember 29 2000 xi 37 System Loopbacks and Test Access 67 38 Installing a Test Card into the HMS 357 69 39 Installing a Cut through Card into the HMS 357 70 40 Power Access Connector Specification 77 41...

Страница 12: ...e Unit Alarm Messages 74 11 Network Addressing 75 12 Sample Class C IP Address Plan for the HMS 357 76 13 Relay Specifications 77 14 RJ 45 Pinout for 10BASE T Interface to HMU J34 78 15 RS 232 DB 25 O...

Страница 13: ...rovide comprehensive configuration and technical information that will help you further define system parameters to meet your particular system requirements To use this practice Follow the steps provi...

Страница 14: ...ant 3192 line cards an optional fan assembly and two multiplexers under the control of a management unit HMU Both Terminal Access Option TAO and Transaction Language 1 TL1 management systems are suppo...

Страница 15: ...a list of tasks and considerations that need to be addressed and mutually agreed upon before proceeding with installation Assignment of personnel Installation tools and methods Protection requirements...

Страница 16: ...50 terminator 651 1115 01 H One 1 BNC T adapter connector J P J 655 1022 01 H Eight 8 6 32 x 3 16 screws 670 1006 03 H Two 2 8 32 x 1 4 screws 670 1009 04 H Ten 10 12 24 x 1 2 screws 670 1017 08 H Tw...

Страница 17: ...hrough Card for test purposes H HCC 319 List 1 with installation guide 150 2216 01 H HCC 319 List 2 with installation guide 150 2216 02 Test Card H HTC 319 List 1 with installation guide 150 1284 01 T...

Страница 18: ...dress ready It is necessary during installation Verify that the battery feed is disconnected For single shelf installation only to fulfill NEBS requirements a 4 inch gap above and below the unit is ne...

Страница 19: ...2 Align the chassis mounting bracket holes with the rack s vertical mounting holes H 3 Mount the chassis in the rack Install four each 12 24 x 1 2 screws in each bracket and secure the chassis to the...

Страница 20: ...Procedure Installer Check Whenever installing or removing units from the HMS 357 chassis be sure to wear an antistatic wrist strap and connect it to the ESD strap input above the HMU slot on the insi...

Страница 21: ...ng on which of these shelf configurations you ordered locate the proper cable installation procedures as detailed in Selecting the Proper Installation Procedures on page 12 DRAIN WIRE AND CABLE TIE IN...

Страница 22: ...n wire of the female amphenol cable connector to the screw hole of the male amphenol backplane connector and tighten the drain wire to the backplane with one 4 40 x 1 2 screw 2 Connect the female amph...

Страница 23: ...29 29 61 29 Black Green Brown Black 30 30 62 30 Black Brown Slate Black 31 31 63 31 Black Slate Blue Yellow 32 32 64 32 Yellow Blue Table 4 Cable Connector Pinout and Color Code 25 7 Cable Ring Pins T...

Страница 24: ...VIS MIN AUD MAJ VIS MAJ AUD CRT VIS NO COM NC CRT AUD COM NO A RX TX UNDER THIS COVER MAY BE PRESENT VOLTAGES UP TO 200 VDC CAUTION 8 7 5 GROUP 1 GROUP 1 10 LINE LOOP B TIP K L LINE LOOP A TIP E F J H...

Страница 25: ...Panel on page 19 H Installer Signature Date 10BaseT HMU OSS RS 232 PORT AUX RS 232 PORT 10Base2 HMU RT 48 48 RT INPUT POWER 48V 30A MAX FGN MODULE A MODULE B DS3 DS3 OUT PairGain LIU A TB5 SHIELD SHIE...

Страница 26: ...SS RS 232 PORT AUX RS 232 PORT 10Base2 HMU RT 48 48 RT INPUT POWER 48V 30A MAX FGN MODULE A MODULE B PairGain A TB5 SHIELD SHIELD B B SHIELD DSX 1 FAN TB6 1 2 1 1 1 2 2 P2 P1 7 7 8 8 MUX 2 ACTIVE AUX...

Страница 27: ...nnector H 9 Proceed to Wiring the Common Access Panel on page 19 H Installer Signature Date 10BaseT HMU OSS RS 232 PORT AUX RS 232 PORT 10Base2 HMU RT 48 48 RT INPUT POWER 48V 30A MAX FGN MODULE A MOD...

Страница 28: ...ing the HXU 369 Multiplexer Card on page 52 prior to starting this cable installation Step Procedure Installer Check Whenever installing or removing units from the HMS 357 chassis be sure to wear an a...

Страница 29: ...B DS3 OUT connector of subtended STS 1 System B H Installer Signature Date 10BaseT HMU OSS RS 232 PORT AUX RS 232 PORT 10Base2 HMU RT 48 48 RT INPUT POWER 48V 30A MAX FGN MODULE A MODULE B DS3 DS3 OU...

Страница 30: ...D input on the front of the chassis H 14 Align the edges of the HXU 369 with the slot guides in the multiplexer tray H 15 Grasping the card eject tabs gently push the card halfway into the bay H 16 Re...

Страница 31: ...Bits B and the corresponding chassis shield posts to your SONET clock synchronization source H 5 If you have a requirement for an external alarm such as an open door use the User Configurable Alarm In...

Страница 32: ...secure it two turns of the screw using a No 1 Phillips should be sufficient Slide the panel 1 approximately 1 4 inch to the left to release the slide panel and lift to remove it H 3 Attach ground lug...

Страница 33: ...e fuse panel Fuse is removed If a connector is required conform to local code H 10 Connect a 12 AWG gauge wire to the 48 VB terminal in position 2 on the Power Access connector for slots 15 28 Connect...

Страница 34: ...to the ESD strap input 1 Determine the network interface for your application 10BASE 2 coaxial 10BASE T Category 5 DB 25 modem Select One H H H 2 Connect the appropriate network interface cable 10BASE...

Страница 35: ...escription 1 TD 2 TD 3 RD 4 NC 5 NC 6 RD 7 NC 8 NC NC no connection Table 7 Pinouts for DB 25 OSS Interface DTE Pin Description Pin Description 1 NC 14 NC 2 NMA TX 15 NMA TCLK 3 NMA RX 16 NC 4 NMA RTS...

Страница 36: ...ist 4 and List 5 Table 8 Pinouts for DB 25 AUX Interface DTE Pin Description Pin Description 1 NC 14 NC 2 AUX TX 15 NC 3 AUX2 RX 16 NC 4 AUX2 RTS 17 NC 5 AUX2 CTS 18 NC 6 AUX2 DSR 19 NC 7 AUX2 RTN 20...

Страница 37: ...vertically with the front of the card toward you Align the top and bottom edges of the HMU 319 with the guide rails in the HMU slot and slide the HMU 319 into the rightmost slot position on the chassi...

Страница 38: ...nnect a standard 9 pin terminal cable to the HMU front panel craft DB 9 port or connect a 25 pin terminal cable to the OSS port on the shelf backplane The craft port is configured as DCE The OSS port...

Страница 39: ...e TL1 Release Version For complete information on TL1 refer to TL1 Command Set Reference section number 400 100 100 05 At the time of this writing all versions of software respond to at least one of t...

Страница 40: ...r public 1 default and then press At the prompt enter tao and then press If the system is managing a multishelf configuration the Network Status menu appears disregard rest of this procedure and proce...

Страница 41: ...75 If you forget your password contact ADC customer service see Appendix C Product Support on page 88 For more information about passwords refer to the HMU technical practice Step Procedure Installer...

Страница 42: ...ompt enter the current time using HH MM 24 hour format and then press H 4 Press to exit the screen and return to the Shelf Status menu H 5 Proceed to Setting the Shelf Identifier Option D on page 30 H...

Страница 43: ...f Status menu if in a single shelf H 6 For HXU 357 multiplexers proceed to Setting the Ethernet Connection Option G For HXU 357 Multiplexers Only otherwise proceed to Installing Multiplexers on page 3...

Страница 44: ...52 Depending on which of these multiplexers you are configuring locate the proper installation procedures as detailed in Selecting the Proper Installation Procedures SELECTING THE PROPER INSTALLATION...

Страница 45: ...into the ESD input on the front of the chassis H 3 Align the edges of the HXU 357 multiplexer card with the guide rails in the multiplexer tray H 4 Grasping the card eject tabs gently push the card in...

Страница 46: ...they only suppress the alarms and allow for modification Step Procedure Installer Check The following procedure assumes proper TAO login For proper login procedure please refer to Using the Terminal A...

Страница 47: ...ng the appropriate data The HMU 319 List 7A automatically sets the date and time parameters for the HXUs If using an HMU 319 List 7 set the HXU time and date parameters here to match those of the HMU...

Страница 48: ...e System Administration Menu on page 35 2 Press and then press to select Configure DS1 Interface H 3 Press the channel number of the HLU to be configured H 4 Press and then press to select Set the DS1...

Страница 49: ...t Configure DS3 transmit timing Configure DS3 BER threshold H 3 Press to return to the Configuration Management submenu H 4 Proceed to Placing the DS3 Transport In Service through the HXU 357 on page...

Страница 50: ...two hold down lugs on each side of the chassis front cover The cover folds down H 2 Plug your ESD strap into the ESD input on the front of the chassis H 3 Align the edges of the HXU 358 multiplexer ca...

Страница 51: ...Shelf Status screen press to select Shelf Options H 3 From the Shelf Options screen press to configure the Mux Type H 4 Press for HXU 358 H 5 Press to exit the screen and return to the root menu of t...

Страница 52: ...through the menu system refer to the procedures detailed in Setting Up Basic System Parameters Through the Config Menu on page 39 H 2 Enter the system name after Enter Card ID and then press H 3 Proce...

Страница 53: ...tings If an HCC 319 List 1 and List 2 Cut through card is used these settings should match those of the external line connected to the port 4 Repeat Steps 1 and 2 for each service you are configuring...

Страница 54: ...0 357 104 01 Revision 01 42 September 29 2000 HMS 357 List 4 and List 5 HXU 358 5 Proceed to Configuring the DS3 Transport through the Config Menu on page 43 H Installer Signature Date Step Procedure...

Страница 55: ...FT default or 450FT H In most applications Transmit Timing should be set to LOCAL 6 Set the BER Threshold to E 03 default E 06 or E 09 This sets the BER point at which an alarm is declared and protect...

Страница 56: ...ock is located on the circuit board behind the front panel Confirm that switch 5 default configuration is Off HMU craft port activated and switch 3 default configuration is Off OSTS protocol is activa...

Страница 57: ...e Mux Type H 4 Press for HXU 359 H 5 Press to exit the screen then press to confirm and save the setting and return to the root menu of the Shelf Status screen H 6 From the Network Status screen enter...

Страница 58: ...identify multiplexer to DS3 network connection 2 Enter a name for the card network element name and then press The name entered is attached to both cards in a protected system Card A is the multiplexe...

Страница 59: ...1 speed Bits B DS1 speed Bits B E1 speed Internal Transport Service 1 28 H 3 Set the Secondary Reference for synchronization Configure the following options Bits A DS1 speed default Bits A E1 speed Bi...

Страница 60: ...rce to the desired mode Configure the following options Normal default Primary Secondary Internal Hold over H 6 Proceed to Configuring DS1 Services through the Config Menu on page 49 H Installer Signa...

Страница 61: ...set to the default values If an HCC 319 List 1 and List 2 Cut through card is used these settings should match those of the external line connected to the port 7 Select the Virtual Tributary Group VT...

Страница 62: ...357 List 4 and List 5 HXU 359 9 Proceed to Configuring the STS 1 Transport through the Config Menu on page 51 H Installer Signature Date Do not configure a service as OOS M or OOS A when it is selecte...

Страница 63: ...in choose Transport and then press H 4 Enter the Tx Path Trace transmit path trace string String can be no longer than 40 characters H 5 Set the Data Communications Channel DCC to ON H 6 Set Loopback...

Страница 64: ...each side of the chassis front cover The cover folds down H 2 Plug your ESD strap into the ESD input on the front of the chassis H 3 Align the edges of the HXU 369 with the slot guides in the multipl...

Страница 65: ...on source Set clk int and then enter at the TL1 command line prompt H 8 If you plan to install a fan assembly proceed to Installing a Fan Assembly Optional on page 54 otherwise proceed to Installing a...

Страница 66: ...ng units from the HMS 357 chassis be sure to wear an antistatic wrist strap and connect it to the ESD strap input above the HMU slot on the inside of the chassis 1 Unscrew the two hold down lugs on ea...

Страница 67: ...ions H 3 From the Shelf Options screen press to select Fan Monitoring H 4 Press to turn on fan monitoring H 5 Press to exit the screen then press to confirm and save the setting H 6 Verify that the fa...

Страница 68: ...guides for the desired slot then push the unit in until it touches the backplane card edge connector and the retaining latch on the front panel opens Figure 35 H 4 Place your thumbs on the line unit f...

Страница 69: ...ne power selection H Refer to the HRU pinout in Figure 36 if remote chassis is not pre wired 4 Slide the remote unit into the card guides for the desired slot then push the unit into the enclosure unt...

Страница 70: ...unit System Inventory screen H 3 Press the letter of the circuit device and enter the alphanumeric characters to be assigned to the device and then press H 4 Choose to confirm If more than 24 charact...

Страница 71: ...Status screen press to select Alarm Management H 3 Enter the slot number of the line unit you want to enable H 4 Press an appropriate or response for the alarm setting you are changing H 5 Proceed to...

Страница 72: ...Placing the Line Unit in Service Using an HXU 357 Multiplexer Step Procedure Installer Check The following procedure assumes proper TAO login For proper login procedure please refer to Using the Term...

Страница 73: ...gs for Line Unit x Y N Do you want to DISABLE alarm settings for Line Unit x Y N H To verify that a line card is managed press until you return to the Shelf Status screen All unmanaged cards will have...

Страница 74: ...then press H 3 Select the T1 E1 Ports menu and then press H 4 Select the Port use the to select IN SRVC and then press H 5 Press to return the Shelf Status menu H 6 Proceed to Enabling Alarms for Syst...

Страница 75: ...slot number x one of the following prompts appears Do you want to ENABLE alarm settings for Line Unit x Y N Do you want to DISABLE alarm settings for Line Unit x Y N H 3 Press an appropriate or respon...

Страница 76: ...r login procedure please refer to Using the Terminal Access Option on page 27 1 From the Shelf Options screen select H 2 Select the Config menu and then press H 3 Select the line unit use the to selec...

Страница 77: ...slot number x one of the following prompts appears Do you want to ENABLE alarm settings for Line Unit x Y N Do you want to DISABLE alarm settings for Line Unit x Y N H 3 Press an appropriate or respon...

Страница 78: ...to select Alarm Management The following prompt appears Which Line Unit do you want to change the alarm settings on 1 28 E nable All D isable All H 2 Enter the slot number of the line unit you want t...

Страница 79: ...or E1 channel on the DS3 transport at an electrical DSX 1 or E1 cross connect point using cut through Cards see Managing Alarms on page 72 Figure 37 System Loopbacks and Test Access Removal and replac...

Страница 80: ...enu CREM Customer remote loopback is activated by selecting the line unit on the Shelf Status Screen and then the Loopback Mode selection from the HLU Maintenance Terminal Main Menu NLOC Network local...

Страница 81: ...down H 2 Be sure to plug your ESD wrist strap into the ESD above the HMU slot H 3 Plug the HTC 319 into the shelf slot whose circuits you want to test H 4 Set the four position slide switch S1 on the...

Страница 82: ...put 1 If you have not already done so open the chassis front cover by unscrewing the two hold down lugs on the upper corners The cover folds down H 2 Be sure to plug your ESD wrist strap into the ESD...

Страница 83: ...ay If downstream devices are not successfully identified the line unit reports status messages The line unit attempts communication again and reports four character status messages until a downstream...

Страница 84: ...ical Major and Minor alarms CR A critical alarm is generated if power to the shelf or one of the A B feeds has been lost causing the Visible and Audible Critical Alarms to be asserted shelf temperatur...

Страница 85: ...fecting fault condition a DS3 Far End alarm a low speed loopback a DS3 loopback ABNORMAL The HXU reports an Abnormal alarm if it detects DS3 Receive condition AIS or Idle DS1 transmit LOS condition Po...

Страница 86: ...oss of signal on an HDSL span RLOS Remote Loss Of Signal Loss of DS1 signal at the remote unit LLOS Local Loss Of Signal Loss of DSX 1 signal at the line unit MAL1 MAL2 Margin Alarm 1 Margin Alarm 2 L...

Страница 87: ...In order for one device to send data to another it must know the hardware address of the destination device This works fine for small networks where devices can easily broadcast their names and addre...

Страница 88: ...tworks and routing of data packets between the networks that are attached to the gateway If a device can not find the hardware address associated with a particular IP address on its own local network...

Страница 89: ...onnector Specification Figure 41 Common Access Panel Specification All relay contacts are rated at 48 Vdc at 1A Table 13 Relay Specifications Parameter Rated Load 0 5A at 125 Vac Maximum switching cap...

Страница 90: ...face to HMU J34 Pin Description 1 XMT output 2 XMT output 3 RCV input 6 RCV input Cable must be shielded category 5 Table 15 RS 232 DB 25 OSS Interface to HMU DTE Male Connector Pin Description 2 TD o...

Страница 91: ...Female Connector Pin Description 2 RD output 3 TD input 4 DTR input 5 GND input 6 DSR output Cable must be shielded Table 17 RS 232 DB 25 AUX Interface to HMU DTE Pin Description 2 TD output 3 RD inp...

Страница 92: ...tional Altitude 197 ft 60m below sea level to 13 000 ft 3962m above sea level Relative Humidity Operational 5 to 85 non condensing Short term 5 to 90 Non operating 5 to 95 Electromagnetic Compatibilit...

Страница 93: ...g the power fed to the remote locations Power dissipation is that part of the total power that is consumed by the CO end of the system It represents the CO heating and is useful in calculating the pow...

Страница 94: ...ces the maximum current required per battery feed for systems with the maximum number of doublers For the HMS 357 List 5 chassis the line units are powered from the backplane through diode ORed power...

Страница 95: ...tion A 1048 typ 1236 max 688 typ 833 max 1310 typ 1545 max 859 4 typ 1042 max 1572 typ 1855 max 1031 typ 1250 max B 1101 typ 1294 max 768 typ 922 max 1376 typ 1618 max 960 typ 1153 max 1651 typ 1941 m...

Страница 96: ...3 HRU 402 List 1 539 0 typ 592 9 max 22 9 typ 25 2 max 8 1 typ 8 9 max F HLU 319 List 5 HDU 409 List 2 4 a HRU 402 List 1 557 0 typ 612 7 max 23 7 typ 26 1 max 8 0 typ 8 8 max a Requires a locally po...

Страница 97: ...5 For a 0 C to 50 C 32 F to 122 F operating environment a fan assembly is required for any of these situations One system with 230W power dissipation Four systems with 948W power dissipation Extended...

Страница 98: ...able 22 System Products Model Name Description Line Units HLU 319 List 1 HDSL line unit for 3190 T1 live interface 3190 mechanics HLU 319 List 2x HDSL line unit for 3190 T1 live interface 3190 mechani...

Страница 99: ...GR User System Interface User System Language Bellcore Craft interface and is compatible with TL1 TR TSY 000827 Issue 1 November 1988 OTGR Generic Operations Interface Non OSI Communications Architect...

Страница 100: ...epresentative RETURNS To return equipment to ADC Wireline Systems Division 1 Locate the number of the purchase order under which the equipment was purchased You will need to provide this number to ADC...

Страница 101: ...t in a shipping carton 5 Write the ADC Wireline Systems Division address and the Return Material Authorization Number you received from Customer Service clearly on the outside of the carton and return...

Страница 102: ...MI ElectroMagnetic Interference ESD Electrostatic Discharge F FGND Frame Ground FLB Facility Loopback H HCA HiGain Cable Assembly HFA HiGain Fan Assembly HLU HiGain Line Unit HMU HiGain Management Uni...

Страница 103: ...d List 5 September 29 2000 91 SSC2 Special Signaling Channel 2 STS 1 Synchronous Transport Signal Level 1 T TAO Terminal Access Option TL1 Transaction Language 1 TLB Terminal Loopback TLOS Transmit Lo...

Страница 104: ...d List 5 PROJECT MEMBER SIGNATURES Complete the following table by printing the title and name of each project member followed by their respective signatures This list may then be removed and stored f...

Страница 105: ...H H H Verified Presence of Proper Tools and Supplies see Before You Begin on page 3 Check if not applicable H H H H Reviewed Safety Precautions see Safety Warnings and Notices on page iv Check if not...

Страница 106: ...H H H Connected to Network Interface see Connecting the Network Interface on page 22 Check if not applicable H H H H Installed Management Unit see Installing a Management Unit HMU on page 25 Check if...

Страница 107: ...e Installing a Remote Unit HRU on page 57 Check if not applicable H H H H Set Up Circuit ID s see Setting Up Circuit IDs on page 58 Check if not applicable H H H H Placed Line s In Service see Placing...

Страница 108: ...ice 37 DS3 module Module B 16 E ELV iv Environmental specifications 80 Ethernet connection 31 F Fan placing under HMU management 55 Fan assembly installation 54 Fan block 19 FCC compliance 99 Ferrite...

Страница 109: ...Management Unit 25 HLU 56 HMU 25 HRU 57 HXU 357 33 HXU 358 38 HXU 359 44 52 IP address 6 LIU Module B 8 method of procedure 3 mounting the chassis 6 OC 3 16 placing line in service at HXU 60 placing...

Страница 110: ...iv SELV iv Shelf configurations 9 shelf Identifier 30 SONET clock synchronization source 19 Space requirements 3 Specifications 77 environmental 80 interface 77 physical 80 Standards compliance 99 ST...

Страница 111: ...rchase the media on which software is stored will be free from material defects under normal use ADC will replace defective media at no charge if it is returned to ADC during the 30 day warranty perio...

Страница 112: ...ADC DSL Systems Inc 14402 Franklin Avenue Tustin CA 92780 7013 Tel 714 832 9922 Fax 714 832 9924 Technical Assistance 800 638 0031 714 730 3222...

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