ABOVELIKE Used original Advantech eki-2728 8-port full Gigabit unmanaged Industrial Ethernet switch Eki-2728 equipment has EKI series standard performance. It provides 12 ~ 48VDC redundant power input design, reverse power polarity protection, overload resettable fuse and dual safety protection mechanism. The former can ensure that when the positive and negative ends of the power connection are reversed, the equipment will not be damaged and will still work normally. The latter can ensure that when the power connection returns to normal, the system will be free from the damage of overload current and return to normal working state. Each port of eki-2728 has indicators of connection status, transmission speed and conflict status. In case of power failure, the equipment will use relay output, LED indicator will light up and alarm to inform the administrator. Engineers can easily carry out rapid inspection and fault diagnosis of hardware through indicator lights. Provide 8 Gigabit adaptive Ethernet portsIt supports 10 / 100 / 1000Mbps adaptation, supports giant frame transmission of up to 9K bytes, has compact structure, supports DIN rail installation, supports 12-48vdc redundant power input and relay alarm, and provides broadcast storm protection. Shipping Policy We are willing to ship to Worldwide by CHINA POST Airmail Service. Your order will be shipped within 1-2 business days once we receive your payment. We ship package via regular airmail, if you want to choose faster shipping way like EMS, DHL ..Please contact us ASAP. We are not responsible for any customs duty incurred at foreign customs. Buyers have to pay for the return cost and we pay the cost for reshipping. Payment Policy We gladly accept PayPal.Credit card payment can also be made via paypal. Payments are expected within 7 days after the last winning product is closed.Unpaid item(UPI) complaint will be filed with eCRATER upon non-receipt of payment. Saleterms Everything can be resolved without leaving negative/neutral feedback. Please email us, and we will resolve any problems for you. Thank you for your time to view our items. However if you have any questions please let us know and we will be glad to help. Good Luck looking! About Us Welcome to our store! Here is Abovelike Inc.We supply various products, including Computers & Networking ,Business & Industrial,Accessorie. High product quality, reasonable prices, excellent customer service and a reliable credit standing are our tenet. Contact Us If you have any problems or complaints, plz contact us via eCRATER message. We will give you a satisfactory solution without opening case or leaving negative/neutral feedback. Trust us.