Model No. | Description | DownLoad | OP-ECM53212-NM-2 | N*RJ45+M*Fiber Ports,10/100/1000M,MMF,1310nm,SC,2KM,Card Type | | OP-ECM53211-NM-2 | N*RJ45+M*Fiber Ports,10/100/1000M,MMF,1310nm,SC,2KM, Internal AC220V,Stand Alone | OP-ECS53212-NM-20 | N*RJ45+M*Fiber Ports,10/100/1000M,SMF,1310nm,SC,20KM,Card Type | OP-ECS23211-NM-20 | N*RJ45+M*Fiber Ports,10/100/1000M,SMF,1310nm,SC,20KM,Internal AC220V ,Stand Alone | OP-ECS53512-NM-20 | N*RJ45+M*Fiber Ports,10/100/1000M,Bi-di,TX1310/RX1550nm,SC,20KM,Card Type | OP-ECS23511-NM-20 | N*RJ45+M*Fiber Ports,10/100/1000M,Bi-di,TX1310/RX1550nm,SC,20KM,Internal AC220V,Alone | OP-ECS53712-NM-20 | N*RJ45+M*Fiber Ports,10/100/1000M,Bi-di,TX11550/RX310nm,SC,20KM,Card Type | OP-ECS23711-NM-20 | N*RJ45+M*Fiber Ports,10/100/1000M,Bi-di,TX11550/RX310nm,SC,20KM , Internal AC220V,Stand Alone | |