... and data channels, multiple cards include: FXS, FXO, hotline, magneto phone, 2100Hz carrier phone, 2 wire E/M, 4 wire ... channels mag interface-Carrier wave magneto interface card: to connect with a single magneto set or magneto attendant console-Hotline tel ... support redundant backup-Bit rate: 150Mbps+/-50ppm-Wavelength: 1310nm/1550nm-Optical power:>-9dBm- Sensitivity:<-38dBm (BER≤1*10-10)-Distance: ...