22 Small form factor pluggable transceiversThe following table lists and describes the supported Nortel SFP modelswith DDI capability. All the optical SFPs use LC connectors.SFP models with DDI capabilityModel number and connector Product number Description1000BASE-T (RJ-45) AA1419043-E6 CAT5 UTP, up to 100 m. Note thatbecause the 1000BASE-T device isall electrical, there is no need for DDIsupport.1000BASE-BX AA1419069-E6,AA1419070-E6Bidirectional 1310 nm and 1490 nm, upto 10 km, DDI1000BASE-LX AA1419074-E6 1310 nm, up to 10 km, DDIFor specifications, see "SFP specifications" (page 33).Installing an SFPInstall an SFP to provide an interface between the switch and the networkcable.Installing an SFP takes about three minutes.For translations of the following statements, see "ESD and installationcaution messages" (page 14) and "Laser safety warnings" (page 16).WARNINGRisk of eye injury by laserFiber optic equipment can emit laser or infrared light that caninjure your eyes. Never look into an optical fiber or connector port.Always assume that fiber optic cables are connected to a lightsource.CAUTIONRisk of equipment damageTo prevent damage from electrostatic discharge, always wear anantistatic wrist strap connected to an ESD jack.CAUTIONRisk of equipment damageOnly trained personnel can install this product.Ethernet Routing Switch 4500 SeriesInstallation — SFPs and XFPsNN47205-301 (324186-A) 01.04 Standard5.1 6 December 2007Copyright © 2007, Nortel Networks.