2-34 L60 LINE PHASE COMPARISON SYSTEM – INSTRUCTION MANUALSPECIFICATIONS CHAPTER 2: PRODUCT DESCRIPTION21300 nm multimode: 1 dB/km1300 nm single mode: 0.35 dB/km1550 nm single mode: 0.25 dB/kmSplice losses: one splice every 2 km at 0.05 dB loss per spliceSYSTEM MARGIN3 dB additional loss added to calculations to compensate for all aging and other losses.Compensated difference in transmitting and receiving (channel asymmetry) channel delays using GPS satellite clock: 10 ms2.5.10 CyberSentry securityOPTIONSSoftware options: Level 12.5.11 EnvironmentalAMBIENT TEMPERATURESStorage temperature: –40 to 85°COperating temperature: –40 to 60°C; the LCD contrast can be impaired at temperatures less than –20°CHUMIDITYHumidity: operating up to 95% (non-condensing) at 55°C (as per IEC60068-2-30 variant 1, 6 days)OTHERAltitude: 2000 m (maximum)Pollution degree: IIOvervoltage category: IIIngress protection: IP20 front, IP10 backNoise: 0 dB
