HP J3028-61001 - 100VG transceiver module assembly - Has one RJ-45 Unshielded Twisted Pair (UTP) connector - (J3028A) Retail
HP J3192-61201 - 100Base-TX transceiver module - Has one RJ-45 Unshielded Twisted Pair (UTP) connector - (J3192A, J3192B, J3192C) Retail
HP J2607-61001 - EtherTwist transceiver module - Has one RJ-45 connector (10Base-T port) - (J2607A) Retail