ZR-4G1S 

10/100/1000Mbps 4 ports media converter

• In conformity to IEEE802.3 10base-T, IEEE802.3u 100 base-TX/FX, IEEE802.3ab 1000 base-T, IEEE802.3z,1000base-SX/LX, IEEE802.1a, IEEE802.1PQ0S, IEEE802.1d Spanning Tree.
• Hot Plug-gable & Wall-Mountable.
• Stable performance more than 50 thousand hours with fault-free.
• Supports 10/100Mbps and 10/100/1000M full/half duplex, easy upgrades.
• Auto MDI/MDI-X；Auto Negotiation.