HP J3103-69001 - AdvanceStack expansion module assembly - Has two empty bays for optional 100VG tansceivers - (J3103A) Retail
HP J3246-69001 - AdvanceStack expansion module assembly ATM uplink module - Has one ATM OC-3 uplink with physical backup for the Switch 2000A and Switch 2000B - (J3246A) Retail
HP J2413-69001 - AdvanceStack 100VG/802.12 hub assembly - Has 7 slots for 100VG/802.12 modules - (Part of J2413A) Retail
HP J2611-69001 - AdvanceStack hub assembly - Has 16 (F) RJ-45 connectors (10Base-T ports) and a transceiver module slot - (Part of J2611A) Retail
HP J3257-69001 - Replacement AdvanceStack remote 2C chassis assembly - Has two RJ-45 connectors (10Base-T ports) on front and two expansion slots on rear (Expansion module NOT included) - (Part of J3231A and J3232A) Retail