... :ISO9001:2000OEM SERVICE OFFEREDDetailed Product Description: EOP E1/Ethernet converter, known as Net bridge, adopts telecom line ... PDH, SDH, microwave, etc) to extend Ethernet. EOP E1/Ethernet converter complies with international standard at each layer ... and full/half duplex Ethernet interface, support parallel and across Ethernet cable, support intercommunicate between 4 Ethernet and VLAN division, ...