HP J2413-69001 - AdvanceStack 100VG/802.12 hub assembly - Has 7 slots for 100VG/802.12 modules - (Part of J2413A) Retail
HP J3103-69001 - AdvanceStack expansion module assembly - Has two empty bays for optional 100VG tansceivers - (J3103A) Retail
HP J3028-61001 - 100VG transceiver module assembly - Has one RJ-45 Unshielded Twisted Pair (UTP) connector - (J3028A) Retail
