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Safety Instructions 

 
1.  Read these safety instructions carefully. 
2.  Keep this User's Manual for later reference. 
3.  Disconnect this equipment from any AC outlet before cleaning. Use a damp cloth. Do not 

use liquid or spray detergents for cleaning. 

4.  For plug-in equipment, the power outlet socket must be located near the equipment and 

must be easily accessible. 

5.  Keep this equipment away from humidity. 
6.  Put this equipment on a reliable surface during installation. Dropping it or letting it fall may 

cause damage. 

7.  The openings on the enclosure are for air convection. Protect the equipment from 

overheating. DO NOT COVER THE OPENINGS. 

8.  Make sure the voltage of the power source is correct before connecting the equipment to 

the power outlet. 

9.  Position the power cord so that people cannot step on it. Do not place anything over the 

power cord. 

10.  All cautions and warnings on the equipment should be noted. 
11. If the equipment is not used for a long time, disconnect it from the power source to avoid 

damage by transient overvoltage. 

12.  Never pour any liquid into an opening. This may cause fire or electrical shock. 
13. Never open the equipment. For safety reasons, the equipment should be opened only by 

qualified service personnel. 

14.  If one of the following situations arises, get the equipment checked by service personnel: 

a.  The power cord or plug is damaged. 
b.  Liquid has penetrated into the equipment. 
c.  The equipment has been exposed to moisture. 
d.  The equipment does not work well, or you cannot get it to work according to the user's 

manual. 

e.  The equipment has been dropped and damaged. 

f.  The equipment has obvious signs of breakage. 

 
15. DO NOT LEAVE THIS EQUIPMENT IN AN ENVIRONMENT WHERE THE STORAGE 

TEMPERATURE MAY GO BELOW -40

 (-40

) OR ABOVE 85

 (185

). THIS 

COULD DAMAGE THE EQUIPMENT. THE EQUIPMENT SHOULD BE IN A 
CONTROLLED ENVIRONMENT. 

v                                                

Summary of Contents for EKI-2728

Page 1: ...EKI 2728 8 port Industrial Unmanaged Gigabit Ethernet Switch User Manual...

Page 2: ...he prior written permission of Advantech Co Ltd Information provided in this manual is intended to be accurate and reliable However Advantech Co Ltd assumes no responsibility for its use nor for any i...

Page 3: ...ment materials service time and freight Please consult your dealer for more details If you think you have a defective product follow these steps 1 Collect all the information about the problem encount...

Page 4: ...and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause har...

Page 5: ...hing over the power cord 10 All cautions and warnings on the equipment should be noted 11 If the equipment is not used for a long time disconnect it from the power source to avoid damage by transient...

Page 6: ...amage 1 To avoid electrical shock always disconnect the power from your PC chassis before you work on it Don t touch any components on the CPU card or other cards while the PC is on 2 Disconnect power...

Page 7: ...gure 2 1 Front View of EKI 2728 9 Figure 2 2 Side View of EKI 2728 10 Figure 2 3 Rear View of EKI 2728 11 Figure 2 4 Top View of EKI 2728 12 2 3 Mounting 13 2 3 1 Wall mounting 13 Figure 2 5 Combine t...

Page 8: ...EKI 2728 User Manual doc viii...

Page 9: ...1 Chapter1 Overview Sections include z Introduction z Features z Specifications z Packing List z Safety Precaution CHAPTER...

Page 10: ...er input is fail P Fail LED will turn on and send an alarm through a relay output for notifying user 1 1 3 Flexible Mounting EKI 2728 is compact 37 x 140 x 95 mm and can be mounted on a DIN rail or a...

Page 11: ...upports jumbo frame transmission up to 9Kbytes Provides surge EFT protection 3 000 VDC for power line Supports 4 000 VDC Ethernet ESD protection Provides Slim size DIN rail with IP30 metal mechanism S...

Page 12: ...00M Power Power Consumption Max 7 79W Power Input 2 x Unregulated 12 48 VDC Fault Output 1 Relay Output Mechanism Dimensions WxHxD 37 x 140 x 95 mm Enclosure IP30 Metal shell with solid mounting kits...

Page 13: ...CAN CSA C22 2 No 60950 EMC U S A FCC Part 15 CISPR 22 EU EN55011 EN61000 6 4 EN55022 Class A EN61000 3 2 3 EN55024 IEC61000 4 2 3 4 5 6 8 11 12 EN61000 6 2 Freefall IEC60068 2 32 Shock IEC60068 2 27 V...

Page 14: ...ication CD ROM with software and User manual 2 x Wall Mounting Bracket and Screws 1 x DIN rail Mounting Bracket and Screws 1 x EKI 2728 Startup Manual 1 x DC Jack Cable 2 0 150mm 1 5 Safety Precaution...

Page 15: ...7 Chapter2 Installation Sections include z LED Indicators z Dimensions z Mounting z Network Connection z Power Connection CHAPTER...

Page 16: ...inition LED Color Description On Power input 1 is active P1 Green Off Power input 1 is inactive On Power input 2 is active P2 Green Off Power input 2 is inactive On Power input 1 or 2 is inactive P Fa...

Page 17: ...2 2 Dimensions units mm Figure 2 1 Front View of EKI 2728 9 Chapter2...

Page 18: ...Figure 2 2 Side View of EKI 2728 EKI 2728 User Manual doc 10...

Page 19: ...Figure 2 3 Rear View of EKI 2728 11 Chapter2...

Page 20: ...The power relay terminal block is located on the top Please refer to page 16 for pin assignment Figure 2 4 Top View of EKI 2728 EKI 2728 User Manual doc 12...

Page 21: ...using the included mounting kit Then hang on the EKI 2728 to the nails on the wall First use the screws included in the package to combine the EKI 2728 and metal mounting kit And then you can install...

Page 22: ...screwed on the industrial switch when out of factory If the DIN rail kit is not screwed on the industrial switch please screw the DIN rail kit on the switch first First hang the EKI 2728 to the DIN ra...

Page 23: ...Then let the device down straight to slide over the rail smoothly See Figure 2 7 Figure 2 7 Installation to DIN rail Step 2 15 Chapter2...

Page 24: ...either MDI X or uplink MDI port The EKI 2728 supports auto crossover to make networking more easy and flexible You can connect any RJ 45 MDI X station port on the switch to any device such as a switc...

Page 25: ...17 Chapter2 Troubleshooting CHAPTER...

Page 26: ...s Also be sure that the length of any twisted pair connection does not exceed 100 meters 328 feet 3 Diagnosing LED Indicators The switch can be easily monitored through panel indicators which describe...

Page 27: ...19 Chapter2 Pin Assignment Wiring APPENDIX...

Page 28: ...Appendix A Pin Assignment Wiring It is suggested to adopt ELA TIA as the wiring of the RJ 45 Figure A 1 RJ 45 Pin Assignment Figure A 2 EIA TIA 568B Figure A 2 EIA TIA 568A EKI 2728 User Manual doc 20...

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