Framing; SDH:STM-4,STM-4c and STM-1,ITU-TG.707, SONET:STS-12,STS-12c,STS-3 and STS-3c,GR-253, SDH/SONET Frame Scrambling(x7+x6+1), ATM Cell Scrambling:conforms to ITU-TI.432.1(x43+1) and may be turned on (default) or off. Input:Two input port(single-mode/multi-mode compatible) Connectors:LC-PC, Sensitivity:Typ.132dBm,Min.-28dBm,Max.-8dBm, Loss of signal Detect Level:-34dBm(typ), Receiver wavelength range:1310/1550nm, Real-Time Optical Power measurement for each LIM port: Dynamic Range:+0.5dBm to -32dBm,