DescriptionA900-IMA4OS SpecificationsTypeASR 900 4 port OC3/STM1 or 1 port OC12/STM4 Interface ModulePort density4-port OC3/STM-1 or 1-port OC12/STM-4 TDMPower draw30W maximumModule shipment weight2.1 lbsModule shipment package size (LxWxH)15.44 x 9.44 x 4.31 inchesEnvironmental specifications –40 to 65ºC (–40 to 149ºF) operating temperature (using Industrial temperature XFP, SFP, and SFP optics)0 to 40ºC (32 to 104ºF) operating temperature (CPAK and QSFP optics)Relative humidity5 to 95%, noncondensingStorage environmentTemperature: –40 to 70ºC (–40 to 158ºF) altitude: 4570 m (15,000 ft)MTBF at 40ºC (104ºF) operating temperature1,493,730 hoursReliability and availabilityOIR field-replaceable SFP optics modulesSupport for both 1 1 SONET Automatic Protection Switching (APS) and SDH Linear Multiplexer Section Protection (MSP) protocolsSingle interface module software resetRolling software upgrade, interface module by interface module
