... /1310Rx BNC or RJ45 120Ohm Card Type SNMP management E1 Fiber Modem, 1 Fiber Port PDH Multiplexer SPD- ... Modem, Single fiber, 20km, 1550Tx/1310Rx wavelength, 1 fiber port, 120ohm, SNMP management, Card Type.High Quality with ... X X X X1 2 3 4 5 6 7 8 9 10 11 12NO.Item ParameterSymbol1SOPTO ... Modem, Single fiber, 20km, 1550Tx/1310Rx wavelength, 1 fiber port, 120ohm, SNMP management, Card type. We test ...