... Type SNMP management E1 Fiber Modem, 1 Fiber Port PDH Multiplexer SPD-FE1-S-20-531AMCFramed E1 Fiber Modem, Single fiber, 20km ... , 1550Tx/1310Rx wavelength, 1 fiber port, 120ohm, SNMP management, ... Fiber Modem, Single fiber, 20km, 1550Tx/1310Rx wavelength, 1 fiber port, 120ohm, SNMP management, Card type. We test each piece of ...