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ADTX ArrayMasStor J Series User Manual

19 inch rack model, tower model
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ArrayMasStor
J Series
(19" Rack Model, Tower Model )
USER'S MANUAL
P/N A208233
Revision 1.2e

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  • Page 1 ArrayMasStor J Series (19” Rack Model, Tower Model ) USER’S MANUAL P/N A208233 Revision 1.2e...

  • Page 3: Warning

    Advanced Technology and Systems Co., Ltd. WARNING l The AC power cord must be connected to a grounded outlet. In case of a short-circuit, electrical shock or fire may occur. l Do not use the ArrayMasStor in hot, humid or dusty environments. Usage under such conditions may result in a short circuit, electrical shock or fire.

  • Page 4: Important

    ArrayMasStor J Series User’s Manual l Do not turn on and off in a rapid succession manner. Leave at least 15 seconds between turning on and off. This may avoid damage or malfunction. The HDD requires about 15 seconds to completely stop after turning off the ArrayMasStor.
  • Page 5 Advanced Technology and Systems Co., Ltd. l It is strongly recommended that up to two ArrayMasStors be connected to the same bus in the single-ended SCSI. l It is strongly recommended that the data be regularly backed up. In RAID levels 1 and 5, the ArrayMasStor will be operative when a drive fails.

  • Page 6: Table Of Contents

    ArrayMasStor J Series User’s Manual Table of Contents Foreword ..……………………………………...………………………………………………………………….………I Safety Notice ..………………………………...………………………………………………………………….………I WARNING..………………………………...………………………………………………………………….………II CAUTION..…………….…………………...………………………………………………………………….………II IMPORTANT……….…………………………………………………………………………………………………..III INTRODUCTION TO THE ARRAYMASSTOR J SERIES............1 ............................1 EATURES RAID ........................2 BOUT LEVELS 1.2.1 RAID Level 0..........................2 1.2.2 RAID Level 1..........................3 1.2.3 RAID Level 5..........................4 RAID L ........................5...
  • Page 7 Advanced Technology and Systems Co., Ltd. 4.6.1 Number of Drives......................... 30 4.6.2 Hot Spare Drive ........................30 4.6.3 Buzzer Mode ........................30 4.6.4 Automatic Reconstruction Mode ................... 30 4.6.5 Write Cache Mode ....................... 31 4.6.6 AIX Error Notice Mode ......................31 4.6.7 UNIX C/H/S Mode .......................
  • Page 8 ArrayMasStor J Series User’s Manual APPENDIX D REPLACEMENT PARTS ....................67 APPENDIX E FEATURE SETTING ....................68 ELECTRONIC EMISSION NOTICES....................69 (FCC) S ..............69 EDERAL OMMUNICATIONS OMMISSION TATEMENT FCC WARNING ...........................69 INFORMATION.............................70 ..........................70 ANUFACTURER V I I...

  • Page 10: Introduction To The Arraymasstor J Series

    ArrayMasStor J Series User’s Manual Introduction to the ArrayMasStor J Series The ArrayMasStor J Series is a compact, high performance, redundant array of independent disks. The subsystem includes up to four hard disk drives (HDD) and offers high availability and an excellent data transfer rate.

  • Page 11: About Raid Levels

    Advanced Technology and Systems Co., Ltd. About RAID levels The ArrayMasStor J Series supports three RAID levels, so you can choose the optimal level for your application. The default setting is RAID Level 5 if at least 3 hard disk drives are online. The default setting is RAID Level 1 if 2 hard disk drives are online.

  • Page 13: Raid Level 5

    Advanced Technology and Systems Co., Ltd. 1.2.3 RAID Level 5 In RAID Level 5, parity data is generated and stored on the equivalent of one drive. If one drive fails, the lost data can be reconstructed using data recorded on the other drives and the parity data. Parity data is written on all of the drives in order to avoid performance degradation due to the intensive access requirements that would result from using a single or specific parity drive.

  • Page 14: Mixed Raid Levels

    ArrayMasStor J Series User’s Manual Mixed RAID Levels The ArrayMasStor supports mixed RAID levels. This means that the ArrayMasStor can be configured to handle multiple logical units (LU), and that a different RAID level can be assigned to each LU. The ArrayMasStor can support up to seven separate LU (0 – 6) and separate RAID levels.

  • Page 15: Hot Spare Feature

    Advanced Technology and Systems Co., Ltd. Hot Spare Feature When the hot spare feature is activated, background data recovery onto the spare drive starts immediately after the failure of an on-line drive. This feature reduces the effective storage capacity of the ArrayMasStor, since one drive is reserved as a hot spare.

  • Page 16: Write Back Cache Function

    Power Line Cord may cause data loss in the cache buffer. Plugging AC power cord can’t be POWER-ON condition of ArrayMasStor J series. It is strongly recommended that an interruptible power supply (UPS) be used to avoid data loss when the power IMPORTANT ! line is unstable and power outrage happens.

  • Page 17: Dynamic Data Reallocation

    Advanced Technology and Systems Co., Ltd. Dynamic Data Reallocation The ArrayMasStor J Series supports dynamic data reallocation, which allows the expansion of the ArrayMasStor’s capacity by adding new drives without data loss. The additional storage capacity is assigned a new LUN.

  • Page 18: Naming Convention

    ArrayMasStor J Series User’s Manual 2 Naming Convention Front view Front cover (rackmount type) 1. Screw for Front Cover 2. Drive Access/Status LED 3. Display Panel...
  • Page 19 Advanced Technology and Systems Co., Ltd. Removal of Front cover (rackmount type) 1. Power LED 7. Drive unit #3 2. Host Access LED 8. Drive unit #4 3. Power switch 9. Drive access LED 4. Drive lock 10. Operation buttons 5.
  • Page 20 ArrayMasStor J Series User’s Manual Front cover (tower type) 1. Screw for Front Cover 2. Drive Access/Status LED 3. Display Panel...
  • Page 21 Advanced Technology and Systems Co., Ltd. Removal of Front cover (tower type) 1. Power LED 7. Drive unit #3 2. Host Access LED 8. Drive unit #4 3. Power switch 9. Drive access LED 4. Drive lock 10. Operation buttons 5.

  • Page 22: Rear View

    ArrayMasStor J Series User’s Manual Rear view rackmount type 1. SCSI connector (Dual channel, 68 pins, VHDCI connector) 2. Power supply switch: Normal “ON” (“I” is pressed in) 3. Power cord receptacle 4. Power Module screw 5. Power supply status indicator...
  • Page 23 Advanced Technology and Systems Co., Ltd. Rear View (tower type ) 1. SCSI connector (Dual channel, 68 pins, VHDCI connector) 2. Power supply switch: Normal “ON” (“I” is pressed in) 3. Power cord receptacle 4. Power Module screw 5. Power supply status indicator...

  • Page 24: Installing The Arraymasstor J Series

    ArrayMasStor J Series User’s Manual Installing the ArrayMasStor J Series First, position the ArrayMasStor J series in stable manner and attach the supplied Front cover. Then, follow these instructions to connect the ArrayMasStor to a host computer. Default settings are listed in Appendix C.

  • Page 25: Setting The Password

    Advanced Technology and Systems Co., Ltd. Setting the Password The ArrayMasStor has a default password that is used to change the configuration (see Appendix C). The procedure for changing the password can be found in section 4.9.1., Entering the Password. Setting the Time &...

  • Page 26: Connection To The Unix Systems

    • The configuration file in Sun OS (Solaris 2.5.1/2.6) must be edited to use the LUN. Example (To set two LUNs to the ArrayMasStor J Series at SCSI ID 0) SPARC station5 Turbo 170M File name to edit : /kernel/dev/sd.conf...

  • Page 27: Arraymasstor J Series Operations

    Advanced Technology and Systems Co., Ltd. 4 ArrayMasStor J Series Operations The ArrayMasStor‘s status is displayed on the operation panel. By selecting menus using the operation buttons, you can review the ArrayMasStor’s status information, or make changes to the ArrayMasStor’s configuration.

  • Page 28: Status Display (Main Menu)

    ArrayMasStor J Series User’s Manual Status Display (Main Menu) 4.2.1 Normal Mode When the ArrayMasStor is functioning normally, the SCSI ID, RAID level and the ArrayMasStor’s capacity are displayed. To change the menu, press the up or down button. Press the select button to choose a menu item.

  • Page 29: Degraded Mode (Drive Failure)

    Advanced Technology and Systems Co., Ltd. 4.2.2 Degraded Mode (drive failure) When a drive fails, the physical number of the defective drive is displayed on the operation panel and the status indicator next to the failed drive turns red. If the buzzer is switched on, it will beep. If a drive fails, it should be replaced as soon as possible.

  • Page 30: Drive Replacement

    ArrayMasStor J Series User’s Manual 4.2.3 Drive Replacement When auto reconstruction mode is turned on, data reconstruction starts automatically after a failed drive is replaced. When auto reconstruction mode is turned off, a menu to start reconstruction is displayed after the failed drive is replaced, and data reconstruction must be initiated manually. The following example assumes that a drive has failed and auto reconstruction mode is turned off.

  • Page 31: Data Initialization

    Advanced Technology and Systems Co., Ltd. 4.2.5 Data Initialization When the RAID level or spare drive settings are changed, data initialization is necessary to ensure the consistency of the parity or mirror data. After changing the RAID level or spare drive settings, the ArrayMasStor should be turned off.

  • Page 32: Double Fault (Failure Of Two Or More Drives)

    ArrayMasStor J Series User’s Manual 4.2.7 Double Fault (Failure of two or more drives) When two or more drives fail, data stored on the ArrayMasStor cannot be reconstructed and some or all of the data will be permanently lost. To avoid double fault, failed drives should be replaced as soon as possible.

  • Page 33: Forced Data Reconstruction

    Advanced Technology and Systems Co., Ltd. 4.2.8 Forced Data Reconstruction Normally, when two drives fail, it is necessary to save the remaining data onto back-up media (e.g. tape) and replace the failed drives. If back-up media are unavailable, the ArrayMasStor allows users to perform forced data reconstruction.

  • Page 34: System Halt

    ArrayMasStor J Series User’s Manual 4.2.9 System Halt When an unrecoverable error occurs (due to the replacement of two or more drives, or to the failure of the RAID controller board), the ArrayMasStor enters system halt mode. In system halt mode, the ArrayMasStor prevents further data corruption by rejecting SCSI commands from host computer.

  • Page 35: Fan Failure

    Advanced Technology and Systems Co., Ltd. 4.2.10 Fan Failure The ArrayMasStor is equipped with two fans that dissipate the heat generated by the drives. Without these fans, the drive may fail due to lack of ventilation. If the fan fails, contact your service representative for assistance.

  • Page 36: Power Supply Failure

    ArrayMasStor J Series User’s Manual 4.2.11 Power Supply Failure The ArrayMasStor is equipped with a dual power supply. The “PWR SUPPLY FAIL” message will be displayed on the display panel if one of the power supply modules failed. Make sure of the following items below if this message is displayed.

  • Page 37: Surface Check

    Advanced Technology and Systems Co., Ltd. 4.2.12 Surface Check The Surface Check function prevents a double fault from occurring when an error correcting code (ECC) fault is encountered while the ArrayMasStor is operating in degraded mode. This function is not available in RAID Level 0, because the data are not redundant. In RAID Levels 1 and 5, the surface check scans the drives for ECC faults and fixes these errors by overwriting them with correct data generated from the mirror or parity data.

  • Page 38: Lun Configuration

    ArrayMasStor J Series User’s Manual LUN Configuration The LUN is shown through the Operation Panel. RAID SUBSYSTEM The information of LUN 0 is shown on the display. Press the up or down buttons to display other LUN information for multi-LUN...

  • Page 39: Scsi Id Information

    Advanced Technology and Systems Co., Ltd. SCSI ID Information RAID SUBSYSTEM SCSI ID information can be seen at the main menu by pressing the up and down buttons. SCSI ID Display System Configuration From the main menu, use the up or down button to display the RAID SUBSYSTEM configuration menu.

  • Page 40: Write Cache Mode

    ArrayMasStor J Series User’s Manual 4.6.5 Write Cache Mode The Write Cache Mode controls the ArrayMasStor’s controller card CONFIGURATION and drive cache. Disabling the write cache mode bypasses the drive WRITE CACHE ON cache and causes data to be written directly to the drives. This degrades the ArrayMasStor’s performance.

  • Page 41: Dpo/Fua Bit

    Advanced Technology and Systems Co., Ltd. When the background surface check is turned on, the ArrayMasStor CONFIGURATION automatically performs surface checks. The default setting is on, PERIODIC CHK ON with checks starting at 00:00 each Sunday. The execution time is 60 minutes and, for proper operation, the ArrayMasStor’s internal clock must be set to the correct local time.

  • Page 42: System Status

    ArrayMasStor J Series User’s Manual System Status RAID SUBSYSTEM From the main menu, use the up or down button to display SYSTEM STATUS. Then press the select button to access the system status -SYSTEM STATUS menu. Press the up or down button to access the following information.

  • Page 43: Serial Number

    Advanced Technology and Systems Co., Ltd. 4.7.2 Serial Number SYSTEM STATUS The ArrayMasStor’s serial number is displayed. S/N: XXXXXXXX 4.7.3 Microcode Revision SYSTEM STATUS This message shows the version number of the microcode. MICRO: JXXX 4.7.4 System Status Code SYSTEM STATUS The first four digits of the system status code are displayed.

  • Page 44: Drive Status

    ArrayMasStor J Series User’s Manual Drive Status From the main menu, use the up or down button to display DRIVE RAID SUBSYSTEM STATUS. Then press the select button to access the drive status -DRIVE STATUS menu. Press the up or down button to choose the desired drive.

  • Page 45: Changing System Configuration

    Advanced Technology and Systems Co., Ltd. Changing System Configuration From the main menu, use the up or down button to display RAID SUBSYSTEM CHANGE CONFIG. Press the select button to access the change -CHANGE CONFIG configuration menu. 4.9.1 Entering the Password CHANGE CONFIG Press the select button to change the password configuration.

  • Page 46: Changing The Date And Time Setting

    ArrayMasStor J Series User’s Manual 4.9.2 Changing the Date and Time Setting The ArrayMasStor’s system clock has been set before shipment. It is usually not necessary to reconfigure the date and time setting. Press the select button to change the date and time setting.

  • Page 47: Changing The Scsi Id

    Advanced Technology and Systems Co., Ltd. 4.9.3 Changing the SCSI ID From the change configuration menu, use the up or down button to CHANGE CONFIG display SCSI ID. Press the select button to access the SCSI ID menu. -SCSI ID The SCSI ID menu is now displayed.

  • Page 48: Reconfigure

    ArrayMasStor J Series User’s Manual 4.9.4 Reconfigure Using reconfigure, it is possible to alter the number of LUN to be configured, assign individual RAID levels to each LUN, and set the capacity (in reference to the ArrayMasStor’s total capacity) for each RAID Level.
  • Page 49 Advanced Technology and Systems Co., Ltd. Press the up and down buttons to assign channel(s) to this LUN. LUN ASSIGN SET The display on the left side shows that both channels have been HOST Ch1 & Ch2 assigned to the same LUN number. Press select button to continue.

  • Page 50: Buzzer Test

    ArrayMasStor J Series User’s Manual 4.9.5 Buzzer Test The Buzzer can be tested through the operator panel display under the ‘CHANGE CONFIG’ option. CHANGE CONFIG From the change configuration menu, use the up or down button to - BUZZER TEST display BUZZER TEST.

  • Page 51: Configuring The Write Cache Mode

    Advanced Technology and Systems Co., Ltd. 4.9.7 Configuring the Write Cache Mode The write cache mode turns the ArrayMasStor’s cache on and off. When the write cache mode is switched on, the ArrayMasStor’s speed and input/output performance are enhanced. Disabling the write cache bypasses the drive cache and degrades the ArrayMasStor’s performance.

  • Page 52: Changing The Automatic Reconstruction Mode

    ArrayMasStor J Series User’s Manual 4.9.8 Changing the Automatic Reconstruction Mode When automatic reconstruction mode is switched on, data reconstruction starts automatically after a drive is replaced. If a hot spare drive is configured and a drive fails, auto reconstruction and data reconstruction on the spare drive start automatically.

  • Page 53: Maximum Scsi Transfer Rate

    Advanced Technology and Systems Co., Ltd. 4.9.9 Maximum SCSI Transfer Rate A maximum transfer rate of 40MB/second (SCSI-3) is supported between the ArrayMasStor and the host computer. However, some host computers cannot handle the SCSI-3 transfer rate or experience problems with long or poor quality cables. These problems can often be corrected by switching off the ultra SCSI mode.

  • Page 54: Dpo/Fua Bit

    ArrayMasStor J Series User’s Manual 4.9.10 DPO/FUA Bit The DPO/FUA (disable page out/force unit access) is used only when the host computer’s operating system issues the FUA command for every read/write command. Use of this command degrades the ArrayMasStor’s performance. To prevent this from happening, the DPO/FUA bit should be turned off.

  • Page 55: Changing The Aix Error Notice Mode

    Advanced Technology and Systems Co., Ltd. 4.9.11 Changing the AIX Error Notice Mode The AIX error notice mode is turned on for host systems such as the IBM RS-6000 computer, which use the AIX operating system. This function allows the operating system to access logged data on the status of the ArrayMasStor.

  • Page 56: Changing The Unix C/H/S Mode

    ArrayMasStor J Series User’s Manual 4.9.12 Changing the UNIX C/H/S Mode The UNIX C/H/S mode corrects errors encountered with UNIX operating systems that incorrectly recognize the total capacity of the ArrayMasStor. This error causes the operating system to recognize a storage capacity of less than the actual 53.94 GB that is available in RAID Level 5. To access the full capacity of the ArrayMasStor in a UNIX environment, set this mode on.

  • Page 57: Performing Surface Check

    Advanced Technology and Systems Co., Ltd. 4.9.13 Performing Surface Check The surface check function, which is only available in RAID levels 1 and 5, prevents double faults from occurring when an error correcting code (ECC) fault is encountered while the ArrayMasStor is operating in degraded mode.

  • Page 58: Stopping Surface Check

    ArrayMasStor J Series User’s Manual 4.9.14 Stopping Surface Check An ongoing Surface check, Parity regeneration, or Random check can be stopped under the ‘CHANGE CONFIG’ Menu. From the change configuration menu, use the up or down button to CHANGE CONFIG display SURFACE CHECK.

  • Page 59: Background Surface Check

    Advanced Technology and Systems Co., Ltd. 4.9.15 Background Surface Check Using its internal clock, the ArrayMasStor can perform daily, weekly, or monthly automatic background surface check. The default setting for this function is on, with surface checks starting automatically at 00:00 each Sunday. The surface check normally takes 60 minutes to execute. The ArrayMasStor’s internal clock must be set to the local time for this function to operate properly.

  • Page 60: Setting Initiator Mode

    ArrayMasStor J Series User’s Manual 4.9.16 Setting Initiator Mode The ArrayMasStor J Series supports initiator mode, which allows the ArrayMasStor to copy all of its data to another SCSI drive or ArrayMasStor with an equal or larger capacity. CHANGE CONFIG From the change configuration menu, use the up or down button to display INITIATOR MODE.

  • Page 61: Error Insertion

    Advanced Technology and Systems Co., Ltd. TARGET ID y Press the select button to start the data copy. Press the cancel button PRESS 0 OR X to return to the previous display. While in initiator mode, the ArrayMasStor will copy all of its data to INITIATOR MODE the target SCSI ID and display the copying progress in percent.

  • Page 62: Displaying The System Trace Data

    ArrayMasStor J Series User’s Manual 4.9.18 Displaying the System Trace Data System trace data contains information about the ArrayMasStor’s operating status. From the change configuration menu, use the up or down button to CHANGE CONFIG display SYSTEM TRACE. Press the select button to access this -SYSTEM TRACE menu.

  • Page 63: Adding Drive Units

    Advanced Technology and Systems Co., Ltd. 4.10 Adding Drive Units Adding a drive unit can increase the capacity of an ArrayMasStor configured with one, two or three units. If the ArrayMasStor is turned off, the new drive unit can be installed in normal system status. The ArrayMasStor will enter ‘system halt mode’...

  • Page 64: Adding Unit As Hot Spare Drive

    ArrayMasStor J Series User’s Manual 4.10.1 Adding Unit as Hot Spare Drive After adding a drive in a three-drive system in which a spare has not been assigned, the following menu will appear. Initialization will not occur if the new drive is assigned as a spare drive.

  • Page 65: Adding Unit As Data Drive

    Advanced Technology and Systems Co., Ltd. 4.10.2 Adding Unit as Data Drive System initialization is required when adding a new drive as a data drive in a current ArrayMasStor configuration. Adding a data drive is possible when a spare drive is already assigned and one or two drives are added into the system.

  • Page 66: Adding Unit As New Lun

    ArrayMasStor J Series User’s Manual 4.10.3 Adding Unit as New LUN When a new drive is assigned as a new LUN, the original data are reassigned to suitable locations, and the new parity data (in RAID Level 5) are regenerated using dynamic data reallocation. There is no need to backup data to increase the capacity of the ArrayMasStor, but backing-up is strongly recommended to prevent the loss of data that may occur during dynamic data reallocation.

  • Page 67: Removing On-Line Drives

    Advanced Technology and Systems Co., Ltd. 4.11 Removing On-line Drives The remove on-line drive function decreases the number of active drives in the ArrayMasStor. In RAID Level 5, the minimum number of drives is three. Removing an on-line drive unit will start the data initialization IMPORTANT ! process.

  • Page 69: Power Supply Module Failure

    Advanced Technology and Systems Co., Ltd. Power Supply Module Failure The “PWR SUPPLY FAIL” message will be displayed on the display panel if one of the dual power supply failed and the power supply’s status indicator has turned off. This indicates a power supply module failure.

  • Page 70: Fan Module Failure

    ArrayMasStor J Series User’s Manual Fan Module Failure The “FAN FAIL” message will be displayed on the display panel, if one of the fans failed in the fan module. Replace the fan module immediately. It is possible to replace the fan module while the subsystem is in operation, however, it should in a short period of time since the cooling in the system is not enough.

  • Page 71: Other Failures

    Advanced Technology and Systems Co., Ltd. Other Failures If replacing new drive unit, fan module or power supply module doesn’t solve any troubles, contact your sales representative.

  • Page 72: Appendix A Specifications

    ArrayMasStor J Series User’s Manual Appendix A Specifications AXRR-J182S(-T) AXRR-J183S(-T) AXRR-J184S(-T) 36GB 54GB 72.1GB RAID 0 capacity 17.9GB 26.9GB 36GB RAID 1 capacity 36GB 54GB RAID 5 capacity 0,1,5 0,1,5 RAID level SCSI-3(Single Ended/LVD) Host interface 40MB/s Max. transfer rate...
  • Page 73 Advanced Technology and Systems Co., Ltd. All Models 483 x 88 x 509 mm (Rack model) Size (WxHxD) 200 x 489 x 509 mm (Tower model) Weight 18.5 kg (4 hard disks included) Temperature : 5 – 40 C / Humidity : 10-90% (non-condense) Environment 100 ~ 240 V AC (50/60Hz) Power...

  • Page 74: Appendix B Accessories

    Power Cable ( Part No.: A208079 ) • Drive Lock Key ( Part No.: A200213 ) • Power On/Off Key ( Part No.: A207183 ) • ArrayMasStor J series User’s Manual ( this booklet ) ( Part No.: A208233 )

  • Page 75: Appendix C Default Configuration

    Advanced Technology and Systems Co., Ltd. Appendix C Default Configuration The ArrayMasStor’s default configuration is as follows. DEFAULT VALUE SCSI ID Number of LUN RAID level More than 3Drive Model: 5 2Drive Model: 1 Hot spare drive Buzzer mode Auto reconstruction mode Cache buffer mode UNIX C/H/S Ultra SCSI...

  • Page 76: Appendix D Replacement Parts

    ArrayMasStor J Series User’s Manual Appendix D Replacement Parts The following items are defined as field replaceable parts. Parts Name Parts Number Description 18GB drive unit A208084 Replacement/addition for AXRR-J18*S/drives 46GB drive unit A208218 Replacement/addition for AXRR-J46*S/drives 76GB drive unit...

  • Page 77: Appendix E Feature Setting

    Advanced Technology and Systems Co., Ltd. Appendix E Feature Setting Setting ArrayMasStor’s features depends on the number of drives configured. Refer the chart when changing the ArrayMasStor configuration. No. of Drives Feature RAID Level Spare Assigned Not assigned Assigned Not assigned Assigned Not assigned Where:...

  • Page 78: Electronic Emission Notices

    Proper cables and connectors are available from ADTX authorized dealers or contributor. ADTX is not responsible for any radio or television interference caused by using other than recommended cables and connectors or by unauthorized changes or modifications to this equipment.

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