HP J4858-69001 - ProCurve switch Gigabit-SX-LC 1000BaseSX mini-GBIC transceiver module - Provides one full duplex Ethernet 1000Base SX port - Has LC connectors Retail
HP J4859-69001 - ProCurve switch Gigabit-LX-LC 1000BaseLX mini-GBIC transceiver module - Provides one full duplex Ethernet 1000Base LX-LC port - Has LC connectors Retail