... OTDR Parameters OTP6123HOTP6123NOTP6123LWavelength (nm)1310/1550Dynamic Range (dB)40/3935/3430/28Pulse Width (ns)10 ~20000Event Dead Zone ... SpecificationsTemperatureOperating: -5°C to 50°C; storage: -40°C to 70°CRelative Humidity0% to 95%(non-condensing) ... Test SetOTP6123HDual-wavelength 1310/1550nm OTDR, dynamic range 40/39dBOTP6123NDual-wavelength 1310/1550nm OTDR, dynamic range 34/ ...