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LEC-2290A User Manual Embedded Computing Platform Hardware Platforms for Intelligent Edge Computing LEC-2290A User Manual Version: 2.0 Date of Release: 2024-06-18...
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To obtain additional documentation resources and software updates for your system, please visit the Lanner Download Center. As certain categories of documents are only available to users who are logged in, please be registered for a Lanner Account at http://www.lannerinc.com/ to access published documents and downloadable resources.
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LEC-2290A User Manual Contact Information Taiwan Corporate Headquarters China Lanner Electronics Inc. Beijing L&S Lancom Platform Tech. Co., Ltd. 7F, No.173, Sec.2, Datong Rd. Guodong LOFT 9 Layer No. 9 Huinan Road, Xizhi District, New Taipei City 22184, Huilongguan Town, Changping District, Beijing...
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LEC-2290A User Manual Acknowledgment Intel® and Intel® Core are trademarks of Intel Corporation or its subsidiaries in the U.S. and/or other countries. Microsoft Windows and MS-DOS are registered trademarks of Microsoft Corp. All other product names or trademarks are properties of their respective owners.
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LEC-2290A User Manual Safety Guidelines Follow these guidelines to ensure general safety: Keep the chassis area clear and dust-free during and after installation. Do not wear loose clothing or jewelry that could get caught in the chassis. Fasten your tie or scarf and roll up your sleeves.
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This product is intended to be supplied by a Listed Power Adapter or DC power source, rated 12-24Vdc, 17.5-8A minimum, Tma = 70°C, and the altitude of operation = 5000m. Lanner Electronics Inc. shall not be held liable for any losses resulting from insufficient strength for supporting the system or use of inappropriate installation components.
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LEC-2290A User Manual Electrical Safety Instructions Before turning on the device, ground the grounding cable of the equipment. Proper grounding (grounding) is very important to protect the equipment against the harmful effects of external noise and to reduce the risk of electrocution in the event of a lightning strike.
LEC-2290A User Manual Table of Contents CHAPTER 1: Product Overview ............10 Package Content..........................10 Ordering Information ........................10 System Specifications ........................11 Front Panel ............................13 Rear Panel ............................14 Chapter 2: Motherboard Information ..........15 Block Diagram........................... 15 Motherboard Layout ........................
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LEC-2290A User Manual Appendix A: LED INDICATOR EXPLANATIONS ......... 106 Appendix B: CONNECT TO DC POWER ..........107 Appendix C: TERMS AND CONDITIONS ..........109 Warranty Policy ..........................109...
LEC-2290A User Manual System Specifications Support Intel® Core™ i7-8700T/i7-8700/i7-9700TE (Coffee Lake S), Intel® Xeon® E-2278GEL Up to 2.4GHz/3.2GHz/1.8GHz/2GHz Frequency Processor System 6 Cores / 8 Cores Core Number FH82C246 Chipset Yes (Default); 2x Smart Fans (Optional) Fanless DDR4 2133/2400 SO-DIMM...
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LEC-2290A User Manual -20°C~45°C for Intel® Core™ i7-8700(3.2GHz) @TDP Intel® Core™ i5-8500(3.3GHz) @TDP 62W Intel® Core™ i3-8300(3.7GHz) @TDP 62W Operating Temperature -20°C~55°C for Intel® Core™ i7-8700T(2.4GHz) @TDP Environment Intel® Core™ i5-8500(2.7GHz) @TDP 35W Intel® Core™ i3-8100(3.1GHz) @TDP 35W -40°C to +70°C...
LEC-2290A User Manual Front Panel PoE1 PoE2 PoE3 PoE4 HDD 1 HDD 2 Description COM Port 3x DB9 Male Connector for RS232/422/485 LAN Port 2x GbE RJ45 port with LED indicators USB 3.0 Port 4x USB 3.0 Type A Audio Jack 3.5mm Line-out and Mic-in Jack...
LEC-2290A User Manual Rear Panel Description 20 pin terminal block 8 DI (12V) & 8 DO (12V,100mA) Isolation Display Port 1x Display Port HDMI Port 2x HDMI Port COM Port 3x DB9 Male Connector for RS232/422/485 1x 4-pin terminal block for DC 9~36V system power source...
LEC-2290A User Manual CHAPTER 2: MOTHERBOARD INFORMATION Block Diagram The block diagram indicates how data flows among components on the motherboard. Please refer to the following figure for your motherboard’s layout design. Motherboard Layout Front View...
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LEC-2290 User Manual Jumper Settings & Switch Settings CMOS1: Clear CMOS Description CMOS1 Normal (Default) Clear CMOS PSBTN2: External Power Button (1x2 Pin 3.81mm Terminal Block) PIN NO. DESCRIPTION PS_IN SW1: Ignition Function Setting SW NO. DESCRIPTION DETECT POWER GOOD Disable Enable LOW POWER DETECT...
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LEC-2290A User Manual DIO Specifications Digital Input (DI) Channel Type Sink / Source Type Voltage (max) Input Impedance 8.2K ohm Response Time <2ms Isolation Voltage (RMS) 3750VDC Digital Output (DO) Channel DO Type Sink Type DO Mode Level Work Voltage...
LEC-2290A User Manual CHAPTER 3: COMMAND LINE You can configure the value of voltage, power on delay, DI/DO and others on LEC-2290 via the MCU command line. Below are the requirements to enable the command line: 1. Host communication interface: COM#7 (RS-232) 2.
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LEC-2290A User Manual Example 1. The minimum voltage for startup Setting: 6V(6000mV) SET STARTUP_VOLTAGE 6000 command response massage GET STARTUP_VOLTAGE command STARTUP_VOLTAGE= 6000 response massage 2. The delay time for POWERON_DELAY state Setting: 4 S SET POWERON_DELAY 4 command response massage...
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LEC-2290A User Manual 7. Write/Read Digital DO state Setting: DO1/DO2/DO3/DO4/DO5/DO6/DO7/DO8 SET DIGITAL_DO 3 command response massage GET DIGITAL_DO command DIGITAL_DO= 3 response massage ______________________________________________________________ DO1/bit0 DO2/bit1 DO3/bit2 DO4/bit3 DO5/bit4 DO6/bit5 DO7/bit6 DO8/bit7 To achieve DO1~8 enable, please entry value setting at 255.
LEC-2290A User Manual CHAPTER 4: HARDWARE SETUP To reduce the risk of personal injury, electric shock, or damage to the unit, please remove all power connections to completely shut down the device, and wear ESD protection gloves when conducting the steps in this chapter.
LEC-2290A User Manual Installing Memory Card (Optional) The system supports one (1) slot for mSATA memory card. Please follow the steps for installation. 1. Power off the system and open the system chassis cover. Locate the mSATA memory slot on the motherboard.
LEC-2290A User Manual Installing System Memory The motherboard supports two (2) memory slots for DDR4 registered DIMM. Please follow the steps for installation. 1. Power off the system and open the system chassis cover. Locate the memory slots on the motherboard.
LEC-2290A User Manual Installing 4G Module (Optional) This system comes with an external M.2 slot, supporting dual SIM design. The following will discuss the installation of 4G module and SIM cards. To Install the 4G Module 1. Locate the M.2 slot on the motherboard. Align the notch of the module card with the socket key in the slot, and insert it at 30 degrees into the socket until it is fully seated.
LEC-2290A User Manual Installing IPMI BMC Card (Optional) IPMI provides better server management, server monitoring, and remote access. IPMI is independent of the system’s CPU operating system via hardware applied directly into the motherboard. Please follow the steps for installation.
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LEC-2290A User Manual 4. Align the notch of the module with the socket key in the pin slot. 5. Insert the BMC card pins at 30 degrees into the socket until it is fully seated. Notch 6. Push down on the module until the slot latches catches and clicks into place.
LEC-2290A User Manual Installing the Disk Drive(s) (Optional) The system supports two 2.5” HDD/SSD drive bays, with one 2.5” SSD drive included. The following will discuss disk drive installation procedures. 1. Power off the system and unplug the power cord. Unscrew the two thumbscrews that fix the tray on the system.
LEC-2290A User Manual Wall Mounting the System (Optional) The system can be mounted on a flat surfaced wall. Please take the following into considerations when mounting the system onto the wall. The wallmount kit contains the following items: 1x pair of Wall Brackets...
LEC-2290A User Manual Rackmount the System (Optional) With a rackmount kit, LEC-2290A can be installed into a rack. Please contact Lanner’s sales representative for purchasing the rackmount kit. The rackmount kit contains the following: 2x Rackmount Brackets 2x Ear Brackets...
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LEC-2290A User Manual 3. Position the system with its front facing you, gently lift it, and insert it into the rack. Attach the ear brackets to the rack rails using rack-mount screws (not provided).
LEC-2290A User Manual CHAPTER 5: SOFTWARE SETUP Entering BIOS The system has AMI BIOS built-in, with a SETUP utility that allows users to configure required settings or to activate certain system features. Pressing the <Tab> or <Del> key immediately allows you to enter the Setup utility.
LEC-2290A User Manual Main Page Setup main page contains BIOS information and project version information. Feature Description BIOS Vendor: American Megatrends Core Version: AMI Kernel version, CRB code base, X64 Compliancy: UEFI version, PI version BIOS Information Project Version: BIOS release version...
LEC-2290A User Manual Advanced Page Select the Advanced menu item from the BIOS setup screen to enter the “Advanced” setup screen. Users can select any of the items in the left frame of the screen.
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LEC-2290A User Manual CPU Configuration...
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LEC-2290A User Manual Feature Options Description Disabled Enable/Disable moving of DRAM contents to PRM memory C6DRAM Enabled when CPU is in C6 state Disabled Software Guard Enabled Enable/Disable Software Guard Extensions (SGX) Extensions (SGX) Software Controlled CPU Flex Disabled Enable/Disable CPU Flex Ratio Programming...
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LEC-2290A User Manual Intel Trusted Enables utilization of additional hardware capabilities Disabled Execution provided by Intel (R) Trusted Execution Technology. Changes Enabled Technology require a full power cycle to take effect. Enables Txt Alias Checking Capability Changes require full Txt...
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LEC-2290A User Manual Power & Performance Feature Options Description Max Battery Boot performance Select the performance state that the BIOS will set Max Non-Turbo Performance mode starting from reset vector. Turbo Performance Intel(R) Disabled Allows more than two frequency ranges to be...
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LEC-2290A User Manual PCH-FW Configuration Feature Options Description Disabled When Disabled ME will be put into ME Temporarily Disabled ME State Enabled Mode.
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LEC-2290A User Manual PCH-FW Configuration Feature Options Description Me FW Image Disabled Enable/Disable Me FW Image Re-Flash function. Re-Flash Enabled...
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LEC-2290A User Manual Trusted Computing Feature Options Description Enables or disables BIOS support for security device. By disabling this Security Device Disabled function, OS will not show Security Device. TCG EFI protocol and Support Enabled INT1A interface will not be available.
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LEC-2290A User Manual Trusted Computing (TPM2.0) Feature Options Description Enables or disables BIOS support for security device. By disabling this Security Device Enabled function, OS will not show Security Device. TCG EFI protocol and INT1A Support Disabled interface will not be available.
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LEC-2290A User Manual Pending None Schedules an Operation for the Security Device. NOTE: Your computer will operation TPM Clear reboot during restart in order to change State of Security Device. Platform Enabled Enables or disables Platform Hierarchy. Hierarchy Disabled Enabled Storage Hierarchy Enables or disables Storage Hierarchy.
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LEC-2290A User Manual Super IO Configuration...
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LEC-2290A User Manual Serial Port 1-6 Configuration Feature Options Description Disabled Serial Port Enables or disables Serial Port 1. Enabled Device Settings IO=3F8h; IRQ = 4; Auto IO=3F8h; IRQ=4; IO=3F8h; IRQ=3,4,5,6,7,9,10,11,12; Change Settings Select an optimal setting for Super IO device IO=2F8h;...
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LEC-2290A User Manual Power Loss Configuration Feature Options Description Always OFF AC Power Loss Always ON Set power state after power loss. State Last state...
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LEC-2290A User Manual F81216SEC Super IO Configuration Feature Options Description Disabled Serial Port Enable or Disable Serial Port (COM) Enabled Device IO=2D0h; IRQ=7; Settings Auto IO=240h; IRQ=7; Change IO=240h; IRQ=3,4,5,6,7,10,11,12; Select an optimal setting for Super IO Serial Port Settings IO=248h;...
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LEC-2290A User Manual Raiser Card Hardware Monitor...
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LEC-2290A User Manual Watch Dog Timer Configuration Feature Options Description Watch Dog Enabled Enables or disables Watch Dog Timer function Timer Disabled...
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LEC-2290 User Manual Serial Port Console Redirection Feature Options Description COM0 Enabled Console Enables or disables Console Redirection Disabled Redirection...
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LEC-2290 User Manual Console Redirection Settings Feature Options Description Emulation: VT100 ANSI: Extended ASCII char set. VT100+ VT100: ASCII char set. Terminal Type VT-UTF8 VT100+: Extends VT100 to support color, function keys, etc. ANSI VT-UTF8: Uses UTF8 encoding to map Unicode chars onto 1 or more bytes.
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LEC-2290 User Manual Flow control can prevent data loss from buffer overflow. When None sending data, if the receiving buffers are full, a 'stop' signal can be Flow Control Hardware sent to stop the data flow. Once the buffers are empty, a 'start' signal RTS/CTS can be sent to re-start the flow.
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LEC-2290 User Manual Console Redirection Settings Feature Options Description Redirection Select a COM port to display redirection of Legacy OS and COM0 COM Port Legacy OPROM Messages. 80x24 On Legacy OS, the Number of Rows and Columns supported Resolution 80x25 redirection.
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LEC-2290 User Manual PCI Subsystem Settings Feature Options Description BME DMA Disabled Re-enable Master Attribute disabled during Mitigation Enabled enumeration for PCI Bridges after SMM Locked...
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LEC-2290 User Manual USB Configuration Feature Options Description Enables Legacy USB support. Enabled Auto option disables legacy support if no USB devices are Legacy USB Disabled connected; Support Auto Disabled option will keep USB devices available only for EFI applications. Enabled This is a workaround for OSes without XHCI hand-off support.
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LEC-2290 User Manual USB Mass Storage Disabled Enables or disables USB Mass Storage Driver Support. Driver Support Enabled 1 sec USB transfer 5 sec The time-out value for Control, Bulk, and Interrupt transfers time-out 10 sec 20 sec 10 sec Device reset 20 sec USB mass storage device Start Unit command time-out...
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LEC-2290 User Manual CSM Configuration Feature Options Description Disabled CSM Support Enables or disables CSM Support Enabled Do Not Launch Network UEFI Controls the execution of UEFI and Legacy PXE OpROM Legacy Do Not Launch Storage UEFI Controls the execution of UEFI and Legacy Storage OpROM Legacy Do Not Launch Video...
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LEC-2290 User Manual Control Legacy PXE Boot Feature Options Description Control Disabled Legacy PXE MGMT Lan1 Control Legacy PXE Boot from which Lan Boot from MGMT Lan2...
Chipset Select the Chipset menu item from the BIOS setup screen to enter the Platform Setup screen. Users can select any of the items in the left frame of the screen.
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LEC-2290 User Manual System Agent (SA) Configuration Feature Options Description Disabled VT-d VT-d capability Enabled Enable/Disable above 4GB MemoryMappedIO BIOS Above 4GB MMIO Enabled assignment This is enabled automatically when Aperture BIOS assignment Disabled Size is set to 2048MB. Enabled X2APIC Opt Out Enable/Disable X2APIC_OPT_OUT bit Disabled...
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LEC-2290 User Manual Memory Configuration Feature Options Description Auto Maximum 1067 Maximum Memory Frequency Selections in Mhz. Valid values should Memory match the refclk, i.e. divide by 133 or 100 Frequency 6200 Dynamic Maximum Value of TOLUD. Dynamic assignment would adjust TOLUD 1 GB Max TOLUD automatically based on largest MMIO length of installed graphic...
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LEC-2290 User Manual Graphics Configuration Feature Options Description Auto IGFX Select which of IGFX/PEG/PCI Graphics device should be Primary Primary Display Display Or select SG for Switchable Gfx. Select the card used on the platform Auto Auto: Skip GPIO based Power Enable to dGPU Select PCIE Card Elk Creek 4 Elk Creek 4: DGPU Power Enable = ActiveLow...
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LEC-2290 User Manual Feature Options Description Auto Primary PEG PEG11 Select PEG0/PEG1/PEG2/PEG3 Graphics device should be Primary PEG. PEG12 Select Auto/PCIE1/PCIE2/PCIE3/PCIE4/PCIE5/PCIE6/PCIE7 of Auto D28:F0/F1/F2/F3/F4/F5/F6/F7, PCIE1 Primary PCIE PCIE8/PCIE9/PCIE10/PCIE11/PCIE12/PCIE13/PCIE14/PCIE15 of D29:F0/F1/F2/F3/F4/F5/F6/F7, PCIE16/PCIE17/PCIE18/PCIE19 of D27:F0/F1/F2/F3, PCIE19 Graphics device should be Primary PCIE.
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LEC-2290 User Manual Feature Options Description VBIOS Default Select the Video Device which will be activated during POST. This has no Primary IGFX effect if external graphics present. Secondary boot display selection will Boot Display EFP3 appear based on your selection. VGA modes will be supported only on EFP2 primary display EFP4...
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LEC-2290 User Manual DMI/OPI Configuration Control various DMI functions. Please keep at default setting.
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LEC-2290 User Manual PEG Port Configuration...
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LEC-2290 User Manual Feature Options Description Disabled Enable Root Enabled Enable or Disable the Root Port Port Auto Auto Max Link Gen1 Configure PEG 0:1:0 Max Speed Speed Gen2 Gen3 Auto Force X1 Max Link Force X2 Force PEG link to retrain to X1/2/4/8 Width Force X4 Force X8...
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LEC-2290 User Manual PEG# Slot Sets the upper limit on power supplied by slot. Power limit Power Limit (in Watts) is calculated by multiplying this value by the Value Slot Power Limit Scale. Values 0-255 1.0x PEG# Slot 0.1x Power Limit Select the scale used for the Slot Power Limit Value.
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LEC-2290 User Manual PEG Port Feature Configuration Feature Options Description Detect Disabled Non-Compliance Detect Non-Compliance PCI Express Device in PEG Enabled Device...
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LEC-2290 User Manual PCH-IO Configuration Feature Options Description Quiet Serial IRQ Mode Configure Serial IRQ Mode. Continuous...
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LEC-2290 User Manual PCI Express Configuration Feature Options Description PCI Express Disabled Control the PCI Express Root Port. Root Port # Enabled Disabled Set the ASPM Level: Force L0s - Force all links to L0s State ASPM #-1 AUTO - BIOS auto configure L0sL1 DISABLE - Disables ASPM Auto...
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LEC-2290 User Manual Advanced Error Disabled Advanced Error Reporting Enable/Disable. Reporting Enabled Auto Gen1 PCIe Speed Configure PCIe Speed Gen2 Gen3 The number of milliseconds reference code will wait for link to Detect Timeout exit Detect state for enabled ports before assuming there is no device and potentially disabling the port.
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LEC-2290 User Manual SATA And RST Configuration Feature Options Description Enabled SATA Controller(s) Enable/Disable SATA Device. Disabled SATA Mode AHCI Determines how SATA controller(s) operate. Selection Intel RST Aggressive LPM Enabled Enable PCH to aggressively enter link power state. Support Disabled Enabled Port #...
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LEC-2290 User Manual USB Configuration Feature Options Description Option to enable Compliance Mode. Default is to disable XHCI Compliance Disabled Compliance Mode. Change to enabled for Compliance Mode Mode Enabled testing Disabled xDCI Support Enable/Disable xDCI (USB OTG Device). Enabled USB2 PHY Sus Well Disabled Select 'Enabled' to enable SUS Well PG for USB2 PHY.
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LEC-2290 User Manual Security Configuration Feature Options Description Disabled Enable will lock bytes 38h-3Fh in the lower/upper 128-byte RTC Memory Lock Enabled bank of RTC RAM Disabled Enable/Disable the PCH BIOS Lock Enable feature. Required to BIOS Lock Enabled be enabled to ensure SMM protection of flash. Force unlock on Disabled If Enabled BIOS will force all GPIO pads to be in unlocked state...
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LEC-2290 User Manual RAID 0/1 Setup RAID, the abbreviation of Redundant Array of Independent Disks, is a technological combination of multiple physical disk drives to appear as one single logical storage unit on the operating system layer. RAID-0 requires at least two physical disk drives and the total capacity is the sum of all available storage devices. RAID-1 requires two or more physical disk drives to operate.
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LEC-2290 User Manual 3. Select SATA Mode Selection. 4. Select Intel RST Premium With Intel Optane System Acceleration.
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LEC-2290 User Manual 5. Then Select Save & Exit Menu item and select Yes to Save configuration and reset. RAID 0 function has been enabled. RAID-0 Setup 1. Select <CTRL-I> to enter Configuration Utility… 2. On the MAIN MENU, select 1. Create RAID Volume.
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LEC-2290 User Manual 3. In the CREATE VOLUME MENU, select the disk to use in creating the volume. 4. Insert Strip Size values. 5. Insert Capacity values.
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LEC-2290 User Manual 6. Select Y to create this volume. 7. Select Y to exit. RAID-1 Setup 1. Select <CTRL-I> to enter Configuration Utility…...
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LEC-2290 User Manual 2. On the MAIN MENU, select 1. Create RAID Volume. 3. In the CREATE VOLUME MENU, Select Name. 4. Enter RAID Level value.
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LEC-2290 User Manual 5. Select the Disks to use in creating the volume. 6. Enter Capacity value.
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LEC-2290 User Manual 7. Select Create Volume. Select Y to create this volume. 7. Back in the MAIN MENU, Select 6. Exit. Select Y to exit.
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LEC-2290 User Manual Reset RAID Disk 1. Select <CTRL-I> to enter Configuration Utility… 2. In the MAIN MENU, select 3. Reset Disks to Non-RAID.
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LEC-2290 User Manual 3. Select the disks that should be reset. Select Y to reset RAID data.
LEC-2290 User Manual Security Select the Security menu item from the BIOS setup screen to enter the Security Setup screen. Users can select any of the items in the left frame of the screen. Feature Description If ONLY the Administrator's password is set, it only limits access Administrator Password to Setup and is only asked for when entering Setup.
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LEC-2290 User Manual Secure Boot Feature Options Description Secure Boot feature is Active if Secure Boot is Enabled, Platform Secure Boot Disabled Key (PK) is enrolled and the System is in User mode. The mode Enable Enabled change requires platform reset Customizable Secure Boot mode: In Custom mode, Secure Boot Secure Boot Standard...
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LEC-2290 User Manual Key Management Feature Options Description Factory Key Disabled Install factory default Secure Boot keys after the platform Provision Enabled reset and while the System is in Setup mode Restore Factory Force System to User Mode. None keys Install factory default Secure Boot key databases Reset To Setup None...
LEC-2290 User Manual Boot Menu Select the Boot menu item from the BIOS setup screen to enter the Boot Setup screen. Users can select any of the items in the left frame of the screen. Feature Options Description Number of seconds to wait for setup activation key. Setup Prompt Timeout 65535(0xFFFF) means indefinite waiting.
Save and Exit Menu Select the Save and Exit menu item from the BIOS setup screen to enter the Save and Exit Setup screen. Users can select any of the items in the left frame of the screen. ■ Discard Changes and Exit Select this option to quit Setup without saving any modifications to the system configuration.
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LEC-2290 User Manual ■ Restore Defaults Restore default values for all setup options. Select “Yes” to load Optimized defaults. PS: The items under Boot Override may not be the same as the image above as it should depend on the actual devices connected to the system.
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LEC-2290 User Manual APPENDIX A: LED INDICATOR EXPLANATIONS The status explanations of LED indicators on the Front Panel are as follows: [Status ] System Power/WWAN [Gbe Port] Speed Speed/Link [PoE Port] HDD Activity/WLAN Link/Activity Status LED System Power Solid Green The system is powered on The system is powered off HDD Activity...
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LEC-2290 User Manual APPENDIX B: CONNECT TO DC POWER 1. Make sure your system is turned off. 2. Follow the wiring definition and illustration below to connect the power source to the system through the 4-pin terminal block connector as DC Input. Connect the two Power Wires to the Terminal Block (supplied along with the system) by respectively inserting the red wire to the Positive contact, the other wire to the Negative contact, and then secure them onto the terminal block.
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LEC-2290 User Manual 4. System with nVidia Graphic Card Burn-in Verification: LEC-2290 + graphic card N1050TI-L9FX (75W) with fan; operating temperature @ 0°C~55°C (35W CPU) / 0°C~45°C (65W CPU) LEC-2290 + graphic card N206S-V9FX (120W) with fan; operating temperature @ 0°C~50°C (35W CPU) ...
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LEC-2290 User Manual APPENDIX C: TERMS AND CONDITIONS Warranty Policy 1. All products are under warranty against defects in materials and workmanship for a period of one year from the date of purchase. 2. The buyer will bear the return freight charges for goods returned for repair within the warranty period; whereas the manufacturer will bear the after service freight charges for goods returned to the user.
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LEC-2290 User Manual RMA Service Request Form When requesting RMA service, please fill out the following form. Without this form enclosed, your RMA cannot be processed.
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