Atop SW550 Series User Manual Download Page 107

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Atop Industrial Wireless Serial Device Server Series
SW550X
User Manual V 1.1

101

5.4.3 The Trace Panel

Fig. 5. 18

The Trace panel provides a detailed, time-stamped, real-time display of all Serial/IP COM

ports operations, Fig. 5. 18. Click on

Enable Trace

to start logging Virtual COM

communication. Click on File

→ Save As and send the log to Atop for analysis if problems

arise with Virtual COM.

Summary of Contents for SW550 Series

Page 1: ...SW550X Industrial Wireless Serial Device Server Series User s Manual v 1 1 October 2012...

Page 2: ...r damages All rights including rights created by patent grant or registration of a utility model or design are reserved Disclaimer We have checked the contents of this manual for agreement with the ha...

Page 3: ...n 10 2 4 User Interface Overview 11 2 5 Factory Default Settings 13 3 Configuration 16 3 1 Administrator Login 16 3 2 Operation Mode 18 3 3 Overview 19 3 3 1 Wireless Status 20 3 3 2 Site Monitor 21 3...

Page 4: ...Link Mode Configure SW550X as a TCP Server 52 4 1 2 Link Mode Configure SW550X as a TCP Client 57 4 1 3 Link Mode Configure SW550X in UDP 61 4 2 Link Mode Applications 65 4 2 1 TCP Server Application...

Page 5: ...tallation Troubleshooting 81 5 1 Enabling VCOM 81 5 1 1 VCOM driver setup 84 5 1 2 Limitation 84 5 1 3 Installation 85 5 1 4 Uninstalling 85 5 2 Enable VCOM Serial device servers and select VCOM in Wi...

Page 6: ...Atop Industrial Wireless Serial Device Server Series SW550X User Manual V 1 1 vi Emergency System Recovery 116 Warranty 118...

Page 7: ...e unable to assist you please redirect your inquiries to www atop com tw or www atop tech com Supported Platform This manual is designed for the SW550X Series and that model only Warranty Period We pr...

Page 8: ...atellite systems FCC Radiation Exposure Statement This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment This equipment should be installed and operated w...

Page 9: ...ons and Fixed Terminals for Wireless Telecommunications Systems with basic restrictions or reference levels related to Human Exposure to Radio Frequency Electromagnetic Fields from 300 MHz to 40 GHz T...

Page 10: ...onnectivity to clients and serial devices creating a complete solution for your wireless networking As an example you can connect serial devices to our Wireless Serial Server and connect these two to...

Page 11: ...ing all the harshness in your environment of choice Among its many characteristics we could mention 5 GHz frequency support to reduce interference on 2 4 GHz with other wireless devices Dual antenna d...

Page 12: ...al Block TB5 1 5 pin 5 08mm lockable Terminal Block SW5501 TB SW5501 Sis only TB5 2 5 pin 5 08mm lockable Terminal Block SW5502 TB SW5502 Sis only Installation Guide Warranty Card 1 Din Rail Kit 1 Alr...

Page 13: ...Atop Industrial Wireless Serial Device Server Series SW550X User Manual V 1 1 7 2 2 Front Power Panels The Front and Power panels are as follow Fig 2 1 Fig 2 2 Fig 2 3...

Page 14: ...ice Server Series SW550X User Manual V 1 1 8 Fig 2 4 Fig 2 5 Note the following front panel figures correspond to the following models Model Figure SW5501 Fig 2 1 SW5502 Fig 2 2 SW5501 TB SW5501 Sis F...

Page 15: ...reless Serial Device Server Series SW550X User Manual V 1 1 9 The Rear panel where you can mount the device on a rail or to the wall looks as in Fig 2 6 a simple mounting instruction is given on Fig 2...

Page 16: ...t your dealer immediately 1 Prepare the necessary cables DC adapter power cord LAN cable serial cable etc do not connect the unit yet 2 Install both antennas to the SMA connectors 3 Proceed then to pl...

Page 17: ...er Interface Overview The SW550X Series is designed as a Wireless Client with the ability to choose between two different WLAN and LAN networks its user interface is designed intuitively for ease of u...

Page 18: ...side a menu tree appears with all the modes and options available Fig 2 9 while on the right side of your screen the contents of each mode option will be displayed in a graphical state For more infor...

Page 19: ...ion Saves and apply the current configuration input on the page As the caption implies it applies the current configuration until the device is restarted Cancel the current configuration input and sho...

Page 20: ...reless Serial Device Server Series SW550X User Manual V 1 1 14 Once the device is connected to the network you can use your browser to configure the device An authentication request will appear as in...

Page 21: ...ues Security User Name admin Password Null blank Serial COM1 RS 232 RS 422 for Sis models 9600 bps 8 data bits None Parity bit 1 stop bit None Flow Control Packet Delimiter timer Auto COM2 SNMP SysNam...

Page 22: ...gh its configuration using Serial Manager utility that comes in the CD as noted in Fig 3 1 below important information such as the IP MAC address etc is going to be displayed Fig 3 1 If the name of yo...

Page 23: ...erial Device Server Series SW550X User Manual V 1 1 17 Fig 3 2 The device can then be accessed through the utility s interface another way of doing this is by selecting the device and then choosing th...

Page 24: ...ient mode SW550X will have two independent network interfaces LAN and WLAN Each interface would have its own IP address hence traffics from the LAN interface would not be bypassed to the WLAN interfac...

Page 25: ...Atop Industrial Wireless Serial Device Server Series SW550X User Manual V 1 1 19 3 3 Overview Here you will find overall as well as general information Fig 3 3...

Page 26: ...s SW550X User Manual V 1 1 20 3 3 1 Wireless Status Wireless Network values will be displayed in this section the default and current information can be compared side by side Please remember to always...

Page 27: ...s SSID Channel used the RSSI Received Signal Strength Indicator Security and other parameters used by other access points It can be helpful when setting SSID and Channel for this device to avoid SSID...

Page 28: ...Atop Industrial Wireless Serial Device Server Series SW550X User Manual V 1 1 22 Fig 3 6...

Page 29: ...enter the values manually if known Note that under the Wireless Client mode you will see two separate interfaces LAN and WLAN You need to configure them separately into different subnets and choose t...

Page 30: ...k etc on the LAN side will be OFF You can still however be able to change the values of the one not in use and save those parameters Under the AP Client mode you will only see one bridged interface an...

Page 31: ...top Industrial Wireless Serial Device Server Series SW550X User Manual V 1 1 25 3 5 Wireless 3 5 1 Basic Settings To set up a wireless network several parameters are needed as shown in Fig 3 9 Fig 3 1...

Page 32: ...issues The Web UI might freeze or lock up if the setup is made using the wireless interface because the connection would be lost whenever wireless settings are changed It might take some time for the...

Page 33: ...Type NONE Default Settings in Adhoc Mode Table 3 2 Caption Default Radio Off Disabled box not checked SSID Null BSSID MAC Address Any unless enabled Topology Ad Hoc Band Mode 802 11a Tx Rate transmis...

Page 34: ...channels would depend on the band mode and the regulatory domain selected in the Wireless Advanced Settings This option is disabled when the band mode is set to Auto Bandwidth select between 20 MHz o...

Page 35: ...k allows it Steps to Connect to an Access Point Input the SSID of the connecting Access Point or you can use the Scan network to have SW550X grab the necessary wireless information of surrounding acce...

Page 36: ...m altering them Fig 3 13 Fig 3 13 Fast Handoff Atop s proprietary protocol to speed up roaming between AW5500s in addition to Fast Roaming Enable to allow AW5500 to share its neighboring AW5500 inform...

Page 37: ...o other wireless networks Gratuitous ARP Enable to periodically send out an ARP response automatically to announce that SW550X is in the network The frequency in minutes could be set in the nearby box...

Page 38: ...vice Server Series SW550X User Manual V 1 1 32 3 6 Serial 3 6 1 COM Configuration Detail on connectivity protocols and its settings are given in Link Modes and Applications this section will only focu...

Page 39: ...e RS 485 and RS 422 is compatible with 4 Wire RS 485 Baud Rate Select one of the baudrates from the dropdown box Parity Data Bits Stop Bits Configure them accordingly Flow Control Choose between No Fl...

Page 40: ...se an established connection Delimiters Serial to Network Packet Delimiter Packet delimiter is a way of packing data in the serial communication It is designed to keep packets in track SW550X provides...

Page 41: ...l data in its buffer when the specified length has reached Enable this option if you would like SW550X to queue the data until it reaches a specific length This option is disabled by default Character...

Page 42: ...he amount of data that is transmitted through the serial interface after a flow off event is triggered to reduce the possibility of overloading the buffer inside the serial device Please note that dis...

Page 43: ...nt software to monitor devices in a network to retrieve network status information and to configure network parameters The SNMP Settings shows the configuration of this device so it can be viewed by t...

Page 44: ...nexpected incident a message will be dispatched to a SNMP trap server Specify the IP Address of the SNMP Trap Server designed to collect all alert messages any changes made will take effect after the...

Page 45: ...o several recipients using Semicolon to separate each email address Next step is to set the Email Server First you fill in the IP address of a Mail Server in your local network If the Mail Server need...

Page 46: ...y Fig 3 19 Enable Log Event to Flash this would write log events to the local flash otherwise the logs would be cleared when the device restarts because they are stored in the RAM by default Log Level...

Page 47: ...sist of one line data longer than 512 bytes will go into another line You can retrieve the logs by using a FTP Client FTP login is the same as the WebUI They are located in var log logcomxx xx is the...

Page 48: ...Log Display the current event log stored in the device Fig 3 21 Click on Last Page to go to the last page Click on Show All Events to show all events in one page Click on Clear All Events to clear th...

Page 49: ...dropdown box to display logs from different COM ports The first three lines were set to log data length and the last four lines were set to log data content Click on Last Page to go to the last page...

Page 50: ...ynching check the box below NTP Server Settings Obtain date time automatically proceeding then to fill the IP address or host name for it If a hostname is entered the DNS server must be configured pro...

Page 51: ...ult to set change their value just follow the steps filling in the corresponding blanks and choose Save Apply in the end Fig 3 24 Fig 3 24 There are two ways to access SW550X s Web UI The first one be...

Page 52: ...mware please make sure that the device has a reliable power source that will not be powered off or restarted during the upgrading process To upgrade a new firmware once downloaded copy the new firmwar...

Page 53: ...by uploading these settings to the devices To backup your configuration click Backup and a pop up dialog is prompted for saving the backup file on your computer It is important NOT to modify the saved...

Page 54: ...X User Manual V 1 1 48 3 10 5Management List The Management List is used to filter the MAC address that has access to the Web management interface When enabled only the MAC addresses entered in the Ac...

Page 55: ...3 10 6Ping Use the Ping function to determine whether SW550X can reach the gateway or other devices in the network or not This process takes around 20 seconds Fig 3 28 represents a successful ping wh...

Page 56: ...Manual V 1 1 50 3 11Reboot and Restore Default Settings To manually reboot the device you may click Reboot after the click the device will restart If a factory default setting is needed the Reset chec...

Page 57: ...iguration SW550X Series supports different Link Modes which are TCP Server TCP Client and UDP Under the three Link Modes TCP Server can support RAW Virtual COM or Reverse Telnet applications TCP Clien...

Page 58: ...TCP server in a TCP IP Network to listen for an incoming TCP client connection to a serial device After the connection is established between the serial device server and the host computer data can b...

Page 59: ...Series SW550X User Manual V 1 1 53 Fig 4 3 SW550X defaults in TCP Server mode there are additional connection settings that can be configured Fig 4 3 By selecting the TCP Server mode a TCP Client pro...

Page 60: ...Atop Industrial Wireless Serial Device Server Series SW550X User Manual V 1 1 54 Click on the COM1 link on the left hand side Fig 4 4...

Page 61: ...lt local port is 4660 For a detailed explanation of the response behavior go to Sec 4 1 1 For serial settings go to Sec For Advanced settings go to Sec Scroll to the bottom of the page and click on Sa...

Page 62: ...l V 1 1 56 Transparent mode the port will forward requests from all connected hosts to the serial device immediately and reply to all connected hosts once it receives data from the serial device Note...

Page 63: ...ent SW550X Series can be configured as a TCP client in TCP IP Network to establish a connection with a TCP server in the host computer After the connection is established data can be transmitted betwe...

Page 64: ...ial Device Server Series SW550X User Manual V 1 1 58 Fig 4 6 By selecting the TCP Client mode it means that a TCP Server program should be prepared to connect to SW550X Fig 4 6 shows all the settings...

Page 65: ...ommunication modes are available here RAW and Virtual COM which definitions are the same as above in Sec 4 1 1 Enter the preferred Destination IP and Port This should match the IP settings of the TCP...

Page 66: ...eries SW550X User Manual V 1 1 60 For a detailed explanation of the response behavior go to Sec 4 1 1 For serial settings go to Sec For Advanced settings go to Sec Scroll to the bottom of the page and...

Page 67: ...X Series can be configured to transfer data using unicast or multicast UDP from the serial device to one or multiple host computers data can be transmitted between serial device and host computer in b...

Page 68: ...he connection oriented TCP protocol Please be aware that even though UDP provides better efficiency in terms of response time and resource usage it does not guarantee data delivery It is recommended t...

Page 69: ...that the maximum number of UDP nodes that SW550X can handle would highly depend on the traffic load We have tested that SW550X can handle up to 200 UDP nodes baud rate 9600 bps request interval 100ms...

Page 70: ...Atop Industrial Wireless Serial Device Server Series SW550X User Manual V 1 1 64...

Page 71: ...use an ordinary serial COM program The conversion virtualization of IP to COM is all done in the system driver transparently Fig 4 11 shows SW550X in TCP Server mode with Virtual COM enabled Fig 4 11...

Page 72: ...rts would not be used 4 2 3 TCP Client Application Enable Virtual COM It is also possible to run VCOM in TCP Client mode Fig 4 12 It is usually easier to use Virtual COM in the Client mode if SW550X u...

Page 73: ...ds Note that there is no need to configure Virtual COM on the Operation System because Virtual COM ports would not be used 4 2 5 TCP Server Application Configure SW550X as a Pair Connection Master Pai...

Page 74: ...V 1 1 68 Scroll to the bottom of the page and click on Save Apply button to save the changes Remember Pair Connection Master s IP address here in order to enter this information in the Slave later Pro...

Page 75: ...Please setup a Pair Connection Master first before proceeding Fig 4 14 Follow Sec 4 1 2 to configure SW550X in TCP Client mode properly Click on the dropdown box of the Application option and switch t...

Page 76: ...elnet programs in Windows Linux require special handshaking to get the outputs and formatting show properly SW550X will interact with those special commands CR LF commands if Reverse Telnet is enabled...

Page 77: ...TCP see Sec 4 2 10 Note the destination IP and Port of the Slaves need to be equal to the Master s IP and Port Local Listening Port of the Slaves need to be equal to the Master s Destination Port see...

Page 78: ...Atop Industrial Wireless Serial Device Server Series SW550X User Manual V 1 1 72 Fig 4 16...

Page 79: ...CP Client connections Note that it is also possible to use this multi connection feature in conjunction with other TCP Server applications such as Virtual COM Pair Connection and Reverse Telnet For ex...

Page 80: ...s possible to setup pair connection in UDP mode Sec 4 2 8 After multi connection is enabled in the WebUI refer to the following table to setup Pair Connection as in Fig 4 18 Table 4 2 IP Address Link...

Page 81: ...Atop Industrial Wireless Serial Device Server Series SW550X User Manual V 1 1 75 4 3 Wireless Topology 4 3 1 Configure SW550X as a Wireless Ad Hoc Peer Fig 4 19...

Page 82: ...e 802 11a which is less affected by interference it provides better wireless sensitivity with lower maximum rate at 11Mbps Tx Rate Auto Channel 1 we recommend using 1 6 or 11 for 2 4 GHz Authenticatio...

Page 83: ...Atop Industrial Wireless Serial Device Server Series SW550X User Manual V 1 1 77 4 3 2 Configure SW550X as a Wireless Client in the Infrastructure mode PSK Fig 4 20...

Page 84: ...s Point Encryption As defined by the Access Point WPA2 PSK passphrase 8 63 characters Attention We recommend using WPA2 PSK authentication with AES encryption as it is the most secure password type se...

Page 85: ...ustrial Wireless Serial Device Server Series SW550X User Manual V 1 1 79 4 3 4 Configure SW550X as a Wireless Client in the Infrastructure mode PEAP MSCHAPv2 Fig 4 21 Configure your device as explaine...

Page 86: ...X User Manual V 1 1 80 Table 4 5 Topology Infrastructure Band Mode Auto Tx Rate Auto Channel Disabled auto sensing Authentication WPA2 PEAP Encryption As defined by the Access Point Username Defined b...

Page 87: ...shooting 5 1 Enabling VCOM SW550X will encapsulate control packets on top of the real data when Virtual COM is enabled This will allow the Virtual COM port in the Windows Linux system to access SW550X...

Page 88: ...Server Series SW550X User Manual V 1 1 82 Fig 5 3 Virtual COM allows remote access of serial devices over TCP IP networks through Serial IP Virtual COM ports that work like local native COM ports Fig...

Page 89: ...Atop Industrial Wireless Serial Device Server Series SW550X User Manual V 1 1 83 Fig 5 4...

Page 90: ...s Suite Linux also available but first you might need to download a separate package called Virtual COM driver for Linux TTYredirector available for download on Atop website or in the product CD The z...

Page 91: ...driver for the operating system Turn off your anti virus software and try again if installation fails At the end of the installation please select at least one Virtual COM port from the Serial IP Con...

Page 92: ...e VCOM in Serial device servers Enable Virtual COM in our serial device servers by logging into our WebUI It is located under COM configuration The following figures show how to enable Virtual COM in...

Page 93: ...rams Serial IP Control Panel In the Windows Control Panel open the Serial IP applet In the Windows notification area Fig 5 6 right click in the Serial IP tray icon and click on Configure to open the C...

Page 94: ...Atop Industrial Wireless Serial Device Server Series SW550X User Manual V 1 1 88 Fig 5 7 After at least one Virtual COM port is selected the Control Panel will show Fig 5 8...

Page 95: ...ht hand side of the Control Panel shows the configurations of the selected Virtual COM port marked in blue Each Virtual COM port can have its own settings Note The changes to Virtual COM ports apply i...

Page 96: ...the IP Address of the serial device server with the Port Number specified The Port Number here is the Local Listening Port for the serial device server 2 If the serial device server is running in TCP...

Page 97: ...nections 4 To test the Virtual COM connection click the Configuration Wizard button and then click Start button in the pop up window Fig 5 10 If the test passes all checks should be in green To apply...

Page 98: ...Atop Industrial Wireless Serial Device Server Series SW550X User Manual V 1 1 92...

Page 99: ...Device Server Series SW550X User Manual V 1 1 93 5 3 Exceptions Fig 5 11 If the exclamation mark begins with Warning timeout trying x x x x as in Fig 5 11 recheck the VCOM IP and Port configuration or...

Page 100: ...erial Device Server Series SW550X User Manual V 1 1 94 Fig 5 12 If there is a check with Raw Connection Detected and an exclamation mark with Client not licensed for this server Fig 5 12 enable VCOM i...

Page 101: ...there is a check with Telnet Protocol Detected and an exclamation mark with Client not licensed for this server as in Fig 5 13 this means that there is a licensing issue between the serial device ser...

Page 102: ...Series SW550X User Manual V 1 1 96 Fig 5 14 If the exclamation mark begins with Server requires username password login Fig 5 14 it means VCOM Authentication in the serial device server is enabled bu...

Page 103: ...vice Server Series SW550X User Manual V 1 1 97 Fig 5 15 If the exclamation mark begins with a Username and or password incorrect Fig 5 15 this means the wrong username and or password were entered and...

Page 104: ...ies SW550X User Manual V 1 1 98 Fig 5 16 If the exclamation mark begins with No login password prompts received from server Fig 5 16 it means credentials in the Serial IP is enabled but VCOM Authentic...

Page 105: ...otification area right click in the Serial IP tray icon and click on Port Monitor to open the Port Monitor Click on the Port Monitor button in the Serial IP Control Panel 5 4 2 The Activity Panel Fig...

Page 106: ...Atop Industrial Wireless Serial Device Server Series SW550X User Manual V 1 1 100...

Page 107: ...race Panel Fig 5 18 The Trace panel provides a detailed time stamped real time display of all Serial IP COM ports operations Fig 5 18 Click on Enable Trace to start logging Virtual COM communication C...

Page 108: ...ng table Enable Nagle Algorithm Provides better network efficiency by imposing a minor latency on the data stream while it waits to fill network packets Always Limit Data Rate to COM Port Baud Rate Li...

Page 109: ...Atop Industrial Wireless Serial Device Server Series SW550X User Manual V 1 1 103 Fig 5 19...

Page 110: ...Redirector supports TCP network connections made through a proxy server which may be controlling access to external networks such as the Internet from a private network that lacks transparent IP base...

Page 111: ...aracteristics Table 6 2 Housing Front Panel Weight Dimensions Installation IP50 protection metal case Common ID design 500g approx 47 mm x 110 mm x 90mm DIN Rail Wall mount optional kit LED Indicators...

Page 112: ...tting on Ethernet WLAN Green On Wireless Radio is enabled Blinking Wireless Radio is enabled and data is transmitting Off Wireless Radio is disabled Mode LEDs should also disable RUN Green Off System...

Page 113: ...g for an AP Cannot connected to the AP No IP provided by the DHCP Server Connected Signal Strength is less 20 Bad Signal Strength 20 40 Poor Signal Strength 40 60 Fair Signal Strength 60 80 Good Signa...

Page 114: ...00K 5 Pull Low On 1K Off 100K 4 Termination On 120 Off 0 COM2 3 Pull High On 1K Off 100K 2 Pull Low On 1K Off 100K 1 Termination On 120 Off 0 Wireless Specifications Table 6 7 PCI e Module Tx Rx Wirel...

Page 115: ...2 2472 20Mhz 2422 2462 40Mhz 5180 5240 20Mhz 5190 5230 40Mhz Taiwan NCC 2412 2462 20Mhz 2422 2452 40Mhz 5280 5320 5745 5825 20Mhz 5310 5755 5795 40Mhz Data Rate Table 6 9 802 11a 6 9 12 18 24 36 48 54...

Page 116: ...1 9 16dBm MCS 2 10 16dBm MCS 3 11 16dBm MCS 4 12 16dBm MCS 5 13 16dBm MCS 6 14 15dBm MCS 7 15 802 11n 2 4GHz HT40 15dBm MCS 0 8 15dBm MCS 1 9 15dBm MCS 2 10 15dBm MCS 3 11 15dBm MCS 4 12 15dBm MCS 5 1...

Page 117: ...2 11a 6M 82 95 85 9M 81 94 84 12M 79 93 82 18M 77 90 80 24M 74 88 77 36M 70 84 73 48M 66 82 69 54M 65 81 68 802 11b 1M not specified 98 85 5 5M not specified 98 85 11M not specified 94 85 802 11g 6M 8...

Page 118: ...HT40 MCS0 79 92 82 MCS1 76 90 79 MCS2 74 87 77 MCS3 71 84 74 MCS4 67 80 70 MCS5 63 76 66 MCS6 62 74 65 MCS7 61 72 64 802 11b g n HT20 MCS0 82 95 85 MCS1 79 94 82 MCS2 77 92 80 MCS3 74 89 77 MCS4 70 8...

Page 119: ...CS7 61 75 64 Security 64 bit and 128 bit WEP encryption 802 1x authentication AES and TKIP WPA WPA2 Regulatory Requirements Table 6 12 EMS EN55022 EN55024 EMC EN 301489 1 17 Class A FCC 15 Subpart B C...

Page 120: ...10 V m 3 IEC61000 4 4 EFT AC Power Port 2 0 KV 3 LAN Port 2 0 KV 4 COM Port 2 0 KV 4 IEC61000 4 5 Surge AC Power Port Line to Line 1 0 KV 3 AC Power Port Line to Earth 2 0 KV 3 LAN Port Line to Earth...

Page 121: ...EC 60068 2 32 Vibration IEC 60068 2 6 MTBF 20 years TBD RoHS Yes Maritime N A 6 2 Software Specifications Table 6 14 Configuration Browser IE8 Firefox 6 and Chrome 13 Telnet Serial Manager Windows uti...

Page 122: ...evice is beeping continuously after power up the bootloader is damaged and there is no way to recover it please contact directly Atop RMA for further solutions Obtain and setup a TFTP server on your P...

Page 123: ...You can download free TFTP Servers from the following locations Solarwinds TFTP Server http www solarwinds com products freetools free_tftp_server aspx Note for Solarwinds please remember to Start the...

Page 124: ...A and Shipping Reimbursement Customers must always obtain an authorized RMA number from us before shipping the goods to be repaired When in normal use a sold product shall be replaced with a new one w...

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