HP J2624-61001 - AdvanceStack Dial-a-LAN module - Provides dial-in/dial-out access when inserted in AdvanceStack hub expansion slot - Has four RS-232 (DB-9) connectors for external modems - (J2624A) Retail
HP J2603-69011 - AdvanceStack EtherTwist (10Base-T) SNMP module - Provides `In-band` network management for up to 16 hubs - (J2603B) Retail
