Lantronix 2100 manuel d'utilisation

Part Number 900-373 Revision D June 2008 UBox USB Device Server User Guide Models UBox 4100 and UBox 2100[...]

UBox User Guide 2 Trademark UBox is a trademark of Lantronix. Other brand names are trad ema rks or registered trademarks of their respe cti ve holders. Copyright Copyright © 2005, 2007 Lantronix. All rights re se rved. No part of the contents of this book may be transmitted or reproduced in any form or by any means without the written permission [...]

UBox User Guide 3 Contents Figures ______________________________________________________________________ 5 1: Using This Guide 7 Purpose and Audience __________________________________________________________ 7 Summary of Chapters __________________________________________________________ 7 2: Introduction 8 Model and Part Numbers ________________[...]

Contents UBox User Guide 4 Summary ______________________________________________________________________ 21 Other Ways to Conne ct an d Disco nnect USB Devices ________________________________ 21 Using the UBox System Tray ____________________________________________________ 22 Auto Connecting Printers _____________________________________________[...]

Contents UBox User Guide 5 Final Step _____________________________________________________________________ 55 Resetting the UBox Hardware ___________________________________________________ 55 Power-Cycling or Using the Reset Button ____________________________________________ 55 Rebooting the UBox into Safe Mode Using the Re set Button __________[...]

Contents UBox User Guide 6 Figure 4-8. Disconnect Printer for Au to Connect................................................................................ .. 24 Figure 4-9. Forced Device Disco nnect on the Ad vanced M enu ........................................................... 26 Figure 4-10. USB Device Status..................................[...]

UBox User Guide 7 1: Using This Guide Purpose and Audience The Lantronix UBox USB Device Server makes it possible to sha re USB devices such as printers, scanne rs, and storage drives over a Local Area Network. This guide provides the information needed to conf igure, u se, and update the UBox 2100 and UBox 4100. Summary of Chapters The remaining c[...]

UBox User Guide 8 2: Introduction The Lantronix UBox makes it possibl e to share, access, and control USB devices over a LAN. This User Guide deals with t he UBox 2100, which supports two USB 2.0 devices and the UBox 4100, which supports fou r. Model and Part Numbers Lantronix offers the following part numbe rs for M odel UBox 2100, which differ on[...]

2: Introduction UBox User Guide 9 Supported Devices The UBox 4100 supports most low a nd fu ll speed devices, includi ng class and vendor specific devices. The UBox 4100 does not supp ort high-speed isochronou s devices; it supports isochronous de vices fo r audio only. In addition to these devices, the UBox 2100 supports most high -speed devices, [...]

2: Introduction UBox User Guide 10 Hub Support The UBox 4100 supports up to one full speed hub on each port, counting the hub inside a compound device. Hubs m ay be only one deep. The UBox 2100 supports both full spee d and high-speed hubs. In addition you can connect a compound devi ce to a full sp eed or hi gh-speed hub plugged into one of the UB[...]

UBox User Guide 11 3: Installing the UBox The UBox package has two components: the UBox h ard wa re and the UBox software. Both have their own settings and configuration o ption s. This chapter includes the followin g topics:  Installing the UBox Hardware  Installing the UBox Software  Uninstalling the UBox Device Serve r Software Installi[...]

3: Installing the UBox UBox User Guide 12 2. Once the UBox has power, notice the following:  The UBox's status lights turn on and o ff. After a few sec onds, the lights stop blinking.  If the UBox is responding properly, t he green USB lights turn o n and stay solid.  The first green SYSTEM light blinks on and off every few seconds. I[...]

3: Installing the UBox UBox User Guide 13 Both the UBox 2100 and UBox 4100 have the same th ree NETWORK status indicators. The UBox 4100 has three (one green and two re d) “SYS TEM indicators, while the UBox 2100 has four (one green, two amber and one red ). For both models, the green has the same meaning. The UBox 2100’s t wo amber are equival[...]

3: Installing the UBox UBox User Guide 14 Figure 3-4. USB Devices Ta b 4. To verify that the application sees the UBox Device Server, click the Serv ers tab. Note: Initially, the UBox displays as Unnamed . Du ring configuration, you can assign a name to it. (See pag e 31 .)[...]

3: Installing the UBox UBox User Guide 15 Figure 3-5. Servers Tab Disp laying a UBox Note: If the UBox does not display, an d you h ave it in a static network, you can use the Override Server Netwo rk Settings option on the Advanced menu to configure the UBox. (See Overriding Server Network Settings on page 42.) Uninstalling the Lantronix UBox Soft[...]

UBox User Guide 16 4: Using USB Devices on the Network Overview This chapter includes the followin g topics:  Connecting your USB device to the UBox's USB port.  Connecting to your networked USB device using the Lantro nix UB ox software: − Using the Connect and Di sconnect icons − Using the Auto Connect feature for print ers  Use[...]

4: Using USB Devices o n the Network UBox User Guide 17 Each USB port has a green status LED light. These lights indicate whether the current software/firmware sup port s your USB device.  A solid green light indicates that the UBox supports your device.  A slowly blinking light indicates that t he UBox does not currently support your USB dev[...]

4: Using USB Devices o n the Network UBox User Guide 18 Device Name Name programmed into yo ur USB dev ice by its manufacturer. This name may differ from the actual name and mode l number of your device. For example, if you have an HP Deskjet 882 pr inter, it may appear as HP Deskjet 880 or HP Printer. Some USB devic es do not have names programmed[...]

4: Using USB Devices o n the Network UBox User Guide 19 Note : The default configuration of the UBox is Multi-User Conn ect Mode . In this mode, all USB devices are shared in a one-at-a-tim e mode. If a device is in use by another user, that USB devi ce' s statu s displays as In Use By [ComputerName]. Before you can use the device, you mu st c[...]

4: Using USB Devices o n the Network UBox User Guide 20 Note : Some USB devices requi re a dditional action before you disconnect your USB device. For example, som e USB devices require you to stop the USB device's software. If your USB devi ce re quires such action when the device is directly connected to you r computer, please perform them b[...]

4: Using USB Devices o n the Network UBox User Guide 21 To use a 13th USB device, disconnect one of your 12 USB devices using the Lantronix UBox software to free a location for the nex t USB device. To have more than eight UBoxes, configure yo ur next eight UBoxes to use a different UDP port (see 5: Changing the UBox's Settings ). Once you hav[...]

4: Using USB Devices o n the Network UBox User Guide 22 Using the UBox System Tray The UBox System Tray on t he Windows taskbar contains icons that enable you to access the following functions qui ckly and easily:  Access the UBox settings.  Configure Auto Connect.  Connect to and disconnect from USB devices on your UBox. To use the system[...]

4: Using USB Devices o n the Network UBox User Guide 23 Auto Connecting Printers This feature automatically connects and di scon nects printers whenever you have a print job queued. This gives you a printing ex perien c e that is similar to using a print server. The Auto Connect feature for printers a ctua lly connects just the printer componen t o[...]

4: Using USB Devices o n the Network UBox User Guide 24 The Lantronix UBox Auto Connect win dow opens. Figure 4-7. Auto Connect Enabled You may see your printer listed multiple times if you or your pr inter's software created multiple printers in Windows' s Printe rs and Faxes window. You can either del ete the extra printers in the Print[...]

4: Using USB Devices o n the Network UBox User Guide 25 you may get a warning stating that your printer is disconne cted. Ignore these, as the Auto Connect feature will connect the pri nter for you. Once the printer auto conn ects, your print job is sent to the printer (this may take a few second s). When the printer has finished printing, Auto Con[...]

4: Using USB Devices o n the Network UBox User Guide 26 Figure 4-9. Forced De vice Disconnect o n the Advanced Menu A message displays cautioning you to make sure the device is not in use. 3. If you are sure that you want to continue, click the Yes button. The device status is now Available . Using Multi-and Single-User Connect Modes The UBox has t[...]

4: Using USB Devices o n the Network UBox User Guide 27 Please note that you can also dedicate a single USB device to a particul ar computer and still share other USB devices with other computers. You can select the desired mode on the Serv ers tab. For details, please see 5: Changing the UBo x' s Settings . Device Status The USB Dev i ces tab[...]

4: Using USB Devices o n the Network UBox User Guide 28 Separating Compound Devices Types of USB Devices USB devices fall into one of the following categorie s:  Single USB device: A USB device that contains only one component (fo r example, a single button mouse).  Composite USB device : A device that provides multiple functio ns but appears[...]

UBox User Guide 29 5: Changing the UBox's Settings Overview The Lantronix UBox comes pre-co nfigured for use with most networks. Howeve r, you may want to change some of the settings for your specific network or USB device- sharing needs. This cha pter describes how to change the UBox's settings and what the settings affect. Note: To modi[...]

5: Changing the UBox's Settings UBox User Guide 30 Figure 5-1. Servers Tab 3. In the Status column, the following may display: Server # Your UBox's MAC/Net work address, found o n the label on the bottom of the unit. Server Name Name of your UBox. You can modif y this name by selecting the server and clicking the Edit Ser ver Config butto[...]

5: Changing the UBox's Settings UBox User Guide 31 Temp. Defaults : The UBox hardware is in Temporary Default Settings Mode . This mode allows you to return the UBox to its factory settings temporarily for diagnostics. You can edit your previous settings while you are in this mode. (See Resetting the UBox Hardware on pag e 55.) Login Failed: Y[...]

5: Changing the UBox's Settings UBox User Guide 32 Figure 5-2. Edit Server Config u ration – Access Tab Notes : Firmware Upgrade: After clicking the Edit Configuration button, a m essa ge may display informing you about new firm ware. You can only update your UBox' s setting s after you have upgraded your firmware . The UBox's icon[...]

5: Changing the UBox's Settings UBox User Guide 33 Single-User: Only one user can connect to the UBo x at one time. Use this mode if there is only one client computer, or if onl y one client computer will be po were d on at a time and connected to the UBox. In this mode all devices on the UBox are automatically connected to the cli ent compute[...]

5: Changing the UBox's Settings UBox User Guide 34 Figure 5-3. Net work Tab 2. Update the following settings as desired: IP Address Assignment From the drop-down list, select one of the foll owing methods of assigning an IP address: Using Defaults: The UBox tries to get an IP address via DHCP first. If it fails to obtain an IP address within 1[...]

5: Changing the UBox's Settings UBox User Guide 35 Subnet Mask A subnet mask defines the number of bits taken from the IP address that are assigned for the host part. Enter the subnet mask as xxx.xxx.xxx.xxx. Example: 255.255.2 55.0 Gateway The gateway address, or router, allows communication to other LAN segments. The gatew ay address shou ld[...]

5: Changing the UBox's Settings UBox User Guide 36 Discovery Mode Select the method the UB ox should use to send its UDP data. Broadcast: By default, the UBox uses this method to send discover messages to UBox clients. Broadcast sends UDP messages to every Ethernet-con nected device on your network. This is the best setting to u se on smal l n[...]

5: Changing the UBox's Settings UBox User Guide 37 1. On the Edit Server Conf iguration windo w, click the USB Device Configura tion tab. Figure 5-4. Edit Serv er Configurat ion – USB Device Configura tion Tab 2. Update the following settings as desired: Server Serial No. (Vie w-only) Corresponds to the UBox’s MAC/Net work address (printed[...]

5: Changing the UBox's Settings UBox User Guide 38 Figure 5-5. Dev ice Configuration Windo w The following information display s at the top: USB Product Name Name programmed into the USB device b y t he manufacturer. Vendor ID (VID) Vendor ID programmed into the USB device by the manufacturer. Product ID (PID) Product ID programmed into the US[...]

5: Changing the UBox's Settings UBox User Guide 39 again. Connection Password and Reenter Passw ord If you selected the checkbox above, enter and then ree nter a password a user must use to view the USB device. Share Mode Select one of the following types of connection: Shared: Allows multiple computers to con n ect to and disconnect from the [...]

5: Changing the UBox's Settings UBox User Guide 40 Restoring Default Settings Note: Restoring the UBox’s default settings clo ses all device connections, possibly adversel y affe cting users connected to them . Please be sure that all devices attached to the UBo x are not in use before continuing. To restore the UBox to factory settings: 1. [...]

5: Changing the UBox's Settings UBox User Guide 41 Figure 5-7. Servers Tab 2. Click the Update Server Firm ware button. An update confirmation window displays. Figure 5-8. Update Serv er Firmware 3. Click the Close button. Note: Always have the latest firm ware installed on your UBox. We do not recommend using older firm ware on your UBox with[...]

5: Changing the UBox's Settings UBox User Guide 42 Overriding Server Network Settings You can override server network settings to c onfigure a UBox that is in a static IP- based network. This makes it so that y ou do not have to change your local TCP settings, connect to the UBox using a direct Ethernet conn ection, or set up a DHCP address. N[...]

5: Changing the UBox's Settings UBox User Guide 43 addresses are in the range 16 9 .254.0.1 to 16 9.254.255.1. Use this setting if the UBox is in a network that only uses Zeroconfig IP addresses. Note: Zeroconfig (also called Zeroconf) is a networking protocol that allows co mputers to find each other automatically without the need for you to [...]

UBox User Guide 44 6: Changing Local Software Settings To modify the settings for the UBox software, you use the Local Settings tab. These settings are kept on your computer. Note: The Servers tab is for m odifying the settings for the UBox. These settings are stored on the UBox hardwa re. See 5: Ch angin g the UBox's Settings. The Local Setti[...]

6: Changing Local Software Settings UBox User Guide 45 Figure 6-1. Local Settings Tab 2. In the Personal Communications Settings area, update the following information as needed: Client Name Name of your computer that is broadcast to the UBox and t o other users on the network. The default name is the comput er name specified when your co mputer wa[...]

6: Changing Local Software Settings UBox User Guide 46 Updating Server Access Settings The Server Access Settin gs area in the Local Settings tab is for connecting to a UBox that is either password protected or uses active discovery. For most users, Server Access Settings are blank. To update server access setting s: 1. In the Server Access Setting[...]

6: Changing Local Software Settings UBox User Guide 47 Server # Serial number of the UBox to which you want to connect. Server Name Name of the UBox to which you want to connect. Status Status of the UBox to which you want to connect. Online displays if you have succ essfully connected to the UBox. Offline displays if the UBox is not detected. Pass[...]

6: Changing Local Software Settings UBox User Guide 48 Switching Between Sets of UBoxes The UBox software on your computer can onl y “see” eight UBoxes at a time. This is true even with Active Discovery, which c an see UBoxes with different UDP po rt numbers. To use a ninth UBox, you have two options:  Change both the local UDP port and the [...]

UBox User Guide 49 7: T roubleshooting Before You Begin Please make sure that you already have:  Installed the latest version of the Lantronix UBox software.  Connected your UBox hardware to your network.  Connected your computer to the same network as the UBox hard ware.  Turned on the UBox (by connecting its power supply to an outlet)[...]

7: Troubleshooting UBox User Guide 50 Figure 7-1. Status Li g hts on UBox 4100 Figure 7-2. Status Li g hts on UBox 2100 Note : For a detailed description of eve ry light and its status, please read 8: Status Light Behavior . While the UBox is booting up, different status lights turn on and off. Once the UBox is running, the status lights have new m[...]

7: Troubleshooting UBox User Guide 51 Boot-Up The following table explains what the SYSTEM status li ghts mean during the boot-up proces s. UBox 4100: Has three (one green and t w o red) SYSTEM indicators UBox 2100: , Has four (one green, two amber and one red). The green has the same meanin g on bot h units. The UBox 2100's two amber indicato[...]

7: Troubleshooting UBox User Guide 52 Status Condition Suggestions SYSTEM 2 is On / SYSTEM 3 is Off The UBox is configured to use a static IP and does not show any users connected to it. Verify the following:  The computer trying to communicate with the UBox is on the same static IP Ethernet subnet.  The computer has the current UBox software[...]

7: Troubleshooting UBox User Guide 53 Status Condition Suggestions Blinking may indicate you have exceeded the number of USB devices per UBox. One UBox supports up to eight USB devices. While many USB devices ap pear as one USB device, components of compound USB devices (a device with an embedded hub or a device that has multip le components tied t[...]

7: Troubleshooting UBox User Guide 54 Status Condition Suggestions Is Not Listed The UBox software cannot find the UBox hardware. 1. Verify that the UBox software's local UDP port is set to match the UDP port used by the UBox hardware. The default is 10010 . (See Updating Server Access Settings on page 46. 2. If you do not know the UDP port th[...]

7: Troubleshooting UBox User Guide 55 4. If you can ping the UBox, but the UBox software cannot establi sh a conn ection, the UDP/TCP port is not correct or a fire wall is blocking it. Temporarily disable the firewall and see if communication to the UBox is establi shed.  If so, configure the firewall to allow the UBox UDP/TCP ports to pass thro[...]

7: Troubleshooting UBox User Guide 56 Figure 7-3. Resetting the UBo x 4100 3. Using the paper clip, quickly press the reset button inside the h ole. The UBox resets. Figure 7-4. Resetting the UBo x 2100 Rebooting the UBox into Safe Mode Using the Reset Button If you have made an unwanted change to the UBox settings an d can no lon ger access the UB[...]

7: Troubleshooting UBox User Guide 57 3. Once you have verified the port, chec k the Lantronix UBox appli cation to see whether your UBox displays. 4. If it does not display, check the SYSTEM status LEDs to determine the UBox’s network condition. Troubleshooting: USB Devices To troubleshoot problems with USB Devices: 1. Open the Lantronix UBox ap[...]

7: Troubleshooting UBox User Guide 58  Your name, and your company name, address, an d phone number  Lantronix model number  Software version  Description of the problem  Status of the unit when the problem occurred (please try to include information on user and net work a ctivity at the time of the problem)[...]

UBox User Guide 59 8: S tatus Light Behavior The Lantronix UBox comes equipp ed with LED lights that report the status of the Lantronix hardware. Figure 8-1. Position of Status Lights on t he UBox SYSTEM NETWORK 1 2 3 1 2 3 USB 4 3 2 1[...]

8: Status Light Behavior UBox User Guide 60 Figure 8-2. UBox 2100 LE Ds The meaning of these lights ch ang es de pending on whether the UBox is booting up (you have just turned on the UBox), or if it is running. The two tables on the following pages show all of the possible states of these L ED lights and what they mean. If you are ha ving problems[...]

8: Status Light Behavior UBox User Guide 61 Stage Status Troubleshooting STAGE 3 Checking Ethernet Connection SYSTEM 2 and SYSTEM 3 (both red/amber) start blinking while the UBox looks for an Ethernet signal (a physical Ethernet connection) and continue to blink until the UBox finds this signal. STAGE 4 Finding IP Address SYSTEM 2 and SYSTEM 3 (bot[...]

8: Status Light Behavior UBox User Guide 62 Figure 8-4. UBox Status Lig hts -- UBox is Running Light Color Status Green Slo wing Blinking (on for 3 seconds then off/on): UBox is working. OFF or ON (does not blink): SYSTEM 1 If the light is off, the UBox is not receiving pow er. If the light is on, the UBox has crashed and needs to be reset (see Res[...]

UBox User Guide 63 A: Configuring the Windows XP Firewall The following instructions detail ho w to config ure Window XP's built -in firewall for use with the Lantronix UBox. While these instructions are specifi c for this softwa re, you can apply the basic idea of these in structions to configuring other firewalls. These instructions show you[...]

A:Configuring the Windows XP Firewall UBox User Guide 64 Step 2 – Access Your Firewall Software (Window s XP and XP Service Pack 1 Only) You need to know your UBox's UDP/ TCP port numbers and IP addre ss before configuring your firewall. If you already know this information, skip ahead to Step 3a - Add Settings to the Firewall to Allow Commu[...]

A:Configuring the Windows XP Firewall UBox User Guide 65 Dynamic addresses can chang e at any moment, m aking it harde r for firewalls to keep track of. If you need to use a fi rewall, we sugg est that you configure your UBox to use a static IP address. Also, if your fire wall is currently on, you will not be able to see the UBox. Turn o ff the fir[...]

A:Configuring the Windows XP Firewall UBox User Guide 66 4. Click the Advanced tab, and then clic k the Settin gs button. The Advanced Settings window opens Figure 8-7. Advanced Settings Wind ow Step 3a - Add Settings to the Firewa ll to Allow Communication with the UBox To add your UDP Port to the fire wall: 1. In the Advanced Settings window, cli[...]

A:Configuring the Windows XP Firewall UBox User Guide 67 2. In the Description of Service field, enter something descriptive like “Lantronix UBox UDP.” 3. In the IP address fiel d, enter the IP address. 4. In both the External Port and Internal Port fields, enter the UDP port numb er. 5. Select UDP . 6. To save your cha nge s, click OK. You hav[...]

A:Configuring the Windows XP Firewall UBox User Guide 68 Step 3b - Access and Configure Your Fi rewall Softw are (Window s XP Service Pack 2 Only) To access your fire wall soft ware: 1. From the Start menu, click Control Panel . The Control Panel window opens. 2. Double-click Windo ws Firewall . The Windows Firewall window op ens. (If you d o not s[...]

A:Configuring the Windows XP Firewall UBox User Guide 69 Figure 8-11. Exceptions Tab To add your UDP port to the fire wall: 1. On the Exceptions tab, click the Add P o rt button. Th e Add a Port wind ow displays. Figure 8-12. Add a Port Window - UDP 2. In the Name field, enter something descriptive like “Lantronix UBo x UDP.” 3. In the Port num[...]

A:Configuring the Windows XP Firewall UBox User Guide 70 4. Select UDP . 5. Click OK . To add your TCP port to the fire wall: 1. On the Exceptions tab, click the Add P o rt button. Th e Add a Port wind ow displays. Figure 8-13. Add a Port Window - TCP 2. In the Name field, enter something descriptive like “Lantronix UBo x TCP.” 3. In the Port n[...]

UBox User Guide 71 B: Compliance – UBox 4100 CE Mark Declaration of Conformity (According to EN 45014) Manufacturer's Name an d Addre ss Lantronix 15353 Barranca Parkway Irvine, CA 92618 USA (949) 453-39 90 Declares that the produc t: Product Name: UBox USB Dev i ce Server Model Numbers: UBox 4100 Conforms to the following Product Specificat[...]

B:Compliance – UBox 4100 UBox User Guide 72 Translation: This is a Class B product b ase d on the st andard of the Voluntary Control Council for Interference from Information Technology Equipment (VCCI). If this is used nea r a radio or television receiver in a dom estic environment, it may cause radio interference. Install and use the equipment [...]

B:Compliance – UBox 4100 UBox User Guide 73 RoHS Notice All Lantronix products in the following families a re Chi na RoHS-compliant and free of the following hazardous substance s an d elements: • Lead (Pb) • Mercury (Hg) • Polybrominated biphenyls (PBB) • Cadmium (Cd) • Hexavalent Chromium (Cr (VI )) • Polybrominated diphenyl ethers [...]

UBox User Guide 74 C: Compliance – UBox 2100 Declaration of Conformity Manufacturer's Name an d Addre ss Lantronix 15353 Barranca Parkway Irvine, CA 92618 USA (949) 453-39 90 Declares that the produc t: Product Name: UBox USB Dev i ce Server Model Numbers: UBox 2100 Conforms to the following standards or other normative docu ments: Radiated [...]

C:Compliance – UBox 2100 UBox User Guide 75 Surge Immunity EN61000-4-5: 2006 RF Common Mode Conducted Susceptibility EN61000-4-6: 1996 Power Frequency Magnetic Field Immunity EN61000-4-8: 1994 Voltage Dips and Interrupts EN61000-4-11: 2004 Safety EN60950-1: 2001, Low Voltage Directiv e 2006/95/EC Disclaimer and Supplementary Information United St[...]

C:Compliance – UBox 2100 UBox User Guide 76 RoHS Notice All Lantronix products in the following families a re Chi na RoHS-compliant and free of the following hazardous substance s an d elements: • Lead (Pb) • Mercury (Hg) • Polybrominated biphenyls (PBB) • Cadmium (Cd) • Hexavalent Chromium (Cr (VI )) • Polybrominated diphenyl ethers [...]

UBox User Guide 77 D: Lantronix Softwar e License Agreement This Agreement constitutes a legal agre ement between you, the end user, and Lantronix regarding the Lantronix software accomp a nying this Agreement (‘Software’). You should carefully read the following term s and conditions before installing this software. EITHER CLICKING ON TH E ACK[...]

D:Lantronix Software Lic ense Agreement UBox User Guide 78 5. LIMITED WARRANTY. As its only Wa rranty under this Agreement, Lantronix warrants the media on which the Softwa re is provide d to be free from defects in materials under no rmal u se for a period of 90 days from the date of the purchase of the Lantronix UBox 4100 or UBox 2100 hardware. E[...]

UBox User Guide 79 E: Lantronix W arranty Lantronix warrants each Lantronix product to be free from defe cts in material and workmanship for a period of TWO YEARS after the date of shipm ent. During this period, if a customer is unable to resolv e a product problem with Lantronix Te ch nical Support, a Return Material Authorization (R MA) will b e [...]