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Preface 

 

Thanks for purchasing our HDMI USB KVM extender. Before using this 

product, read this user manual carefully please. Follow the  instruction to 

keep your safety and avoid products damage.   

 

This  user  manual  might  be  modified  irregularly  because  of  updated 

products. And the manual is for instruction only, we do not guarantee the 

information and the suggestions. 

 

 

 

 

 

 

 

 

 

 

 

 

 

Summary of Contents for A

Page 1: ...HDMI USB KVM Extender LM EX50S User manual ...

Page 2: ...Preface 1 1 Cautions 2 2 About 3 3 Installation 4 4 Operation instruction 5 5 Maintenance 6 6 Truble shooting 7 ...

Page 3: ...uct read this user manual carefully please Follow the instruction to keep your safety and avoid products damage This user manual might be modified irregularly because of updated products And the manual is for instruction only we do not guarantee the information and the suggestions ...

Page 4: ...event friction with hard objects Avoid the product falling down from a high place or it may damage the hardware The product is not water proofed So do not get any liquid into the unit please Do not dismantle assemble or alter the product arbitrarily Warning The CAT5e 6 cable can NOT be placed underground outdoor and between buildings It must be placed with extenders indoor ...

Page 5: ...pports USB HID mouse and keyboard remote IR RX TX and bi direction RS232 URAT This product can achieve all functions through single CAT5e cable Extending distance is 50 meters for 1080p 60Hz HD signal Products model Model Number Remote IR Bi directio n RS232 USB keyboard Mouse Model A Yes Yes Yes Model B Yes No No Main features Extending distance is 170ft 50 meters at resolutions 1080P 3D or 1920x...

Page 6: ...rface USB output female type B DB9 UART male 5V DC in Receivers HDMI output IR input 3 5mm RJ45 Ethernet interface USB input two male type A DB9 UART male 5V DC in Power 2 5W TX or 1 5W RX Dimension L x W x H 110 x 80 x 30mm Net weight 0 2kg per unit Video bandwidth Maximum TMDS clock frequency 225MHz 6 75Gbps Resolution and distance 1080P 170ft 50 meters CAT5e 270ft 80 meters CAT6 720P 1080i 270f...

Page 7: ...lug play no need to install software Temperature range 0 40 C operation 20 60 C stock Compliance FCC CE RoHS Product introduction Transmitter 1 USB type B connect to PC 2 RS232 DB9 interface 3 HDMI input 4 CAT5e 6 cable RJ45 port 5 Remote IR output 6 Power indicator 7 Video link indicator 8 5V DC input Receiver 1 2 5 7 8 3 6 4 ...

Page 8: ...ator 7 Video link indicator 8 5V DC input Packing list 1 unit transmitter 1 unit receiver x means B C or D 1 remote IR blaster with 30cm cable 1 IR receiver with 30cm cable 4 type L metal brackets used for install on walls 2 units of DC 5V 1A adapter 1 USB type A to type B cable Model A only 245 265 70mm carton packing 5 7 1 2 3 4 6 8 ...

Page 9: ...7 ...

Page 10: ...r connecting the transmitter and the receiver The length can NOT be more than distance of parameters c CAT5e 6 cables should be far away from electromagnetic disturbance sources Such as AC motors electro soldering fluorescents microwave ovens etc These disturbance sources might affect extending distance or video quality d Ensure the length of cable is suitable no external tensions e Ensure reliabl...

Page 11: ...and HDMI IN port of transmitter with HDMI cable HDMI cables are not included in this product b Connect PC and transmitter using USB type A to type B cable Type A port connects PC type B port connects transmitter Model A only c Using standard RS232 cable connects PC or other equipment to ...

Page 12: ...s are not included in this product b Connect mouse and keyboard to receiver USB ports separately Model A only c Using standard RS232 cable connects external equipment to receiver DB9 port Model A and C only d Inset IR receiving cable to extender RX IR IN port IR receiver should be face outside for easy operation e Inset CAT5e 6 cable to CAT5e 6 port f Connect power adapter Install products on wall...

Page 13: ...11 b Makes holes with hand drill on walls place rubber keeper into the holes For frame installation no need for this step c Fix products on walls or frames with screws ...

Page 14: ...s about 2 3 seconds to finish EDID and other initialization automatically f Transmitter video indicator will light it means input video signal is OK Then receiver video indicator will light it means output video signal is OK g At this time display terminal will show the same format video that video source send out Remote IR function Using video source s such as Blue ray DVD IR controller faces ext...

Page 15: ...A and C support bi direction RS232 communication and the default data rate is set to 57600bps In case of avoiding some potential misconfigured user data input a Power on RX unit you will find similar output at your serial port debug software as below screenshot b Select the data rate you want to set Select 1 6 to set the different ...

Page 16: ...out 1 6 and the system will print a prompt of Are you select Y N and you have 5 second time the select yes or no According your input the system will go on with below 3 possibilities 1 If you input Y or y that means you confirm the current 1 6 selection and system will execute new baud rate right now And the window will print The select baud rate is like below ...

Page 17: ...lly execute the old baud rate before last power off d The system will print UART START 5 seconds later that means bi direction RS232 is ready for the normal status Then you need set your DTU or PC UART baud rate according new selection e No need to set baud rate on TX side TX will get baud rate information from RX when system is working ...

Page 18: ...de mouse and keyboard can control transmitter side PC it means mouse and keyboard function is workable EDID call back function Products support EDID call back function Receiver unit will read EDID from display terminal and then pass this EDID information to transmitter unit The transmitter unit will update internal NVRAM to save new EDID information and inform video source to read updated EDID inf...

Page 19: ...17 How to make Cat5e 6 cable Products request normal CAT5e or CAT6 Ethernet cables which must meet standard TIA EIA 568B refer to below pin definition ...

Page 20: ...e should be 20 C 60 C For long time storage requirement please use original carbon boxes and avoid from high humid acid base or dusty place Maintenance Warning To ensure your safety place choose original adapters And provide stable AC input according to this manual ...

Page 21: ...l parameters segment to get more details of distance If receiver video indicator is light check HDMI cable and display terminal please b Remote IR is not workable Check transmitter and receiver power fist Ensure both TX and RX power and video indicators are light And then check CAT5e 6 cable please Check if IR blaster unit connects to extender receiver unit and close to display terminals And check...

Page 22: ...m distance Refer to manual parameters segment to get more details of distance Check if choosing the right RS232 port transmitter and receiver must work at the same data rate Refer to manual bi direction RS232 function to get more details e USB TO PC cable hot plug issue When you do USB TO PC cable hot plug there have a known possibility that PC will lose USB mouse and Keyboard enumeration in curre...

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