42 SFP specificationsATTENTIONFor the 40 km CWDM SFPs, a minimum attenuation of 4 dB must be presentbetween the transmitter and receiver. To avoid receiver saturation, you must inserta minimum attenuation of 4 dB when you test the CWDM SFP in loopback mode,or use short runs of fiber with no intermediate CWDM OADM or CWDM OMUX.1000BASE-ZX CWDM SFP specificationsATTENTIONFor the 70 km CWDM SFPs, a minimum attenuation of 10 dB must be presentbetween the transmitter and receiver.The part numbers of the 70 km models range from AA1419033-E5 toAA1419040-E5.1000BASE-ZX CWDM (70 km) SFP specificationsParameter SpecificationsConnectors Duplex LCCabling SMF, 9 μmData rate 1.0 Gbit/sLine rate (8B/10B code) 1.25 Gbit/sOperating temperature range 0 to 60CLink optical power budget 20 dBTransmitter characteristicsLaunch power -3.0 to 2.0 dBmReceiver characteristicsReceiver sensitivity -23 dBmMaximum input power -3.0 dBm1000BASE-SX DDI SFP specificationsThe following table describes the 1000BASE-SX DDI SFP, which has a reachof up to 550 m using 50 μm MMF, and of 275 m using 62.5 μm MMF. ThisSFP operates at 850 nm. The part number of this SFP is AA1419048-E6.1000BASE-SX SFP DDI (550 m) specificationsParameter SpecificationsMaximum electrical power consumption 1 watt (W)Connector Duplex LCNortel Metro Ethernet Routing Switch 8600Installation — SFP, XFP, and GBIC Hardware ComponentsNN46220-301 02.02 Standard4.2 13 November 2007Copyright © 2007, Nortel Networks.