
Upgrading the HP 28684B to an HP 28688B
To add network management capabilities, the HP 28684B EtherTwist Hub/12 can be
upgraded to an HP 28688B EtherTwist Hub Plus. The upgrade procedure involves a
software download to the HP 28684B Hub/12 using a unique password. The HP
EtherTwist Hub/12 Upgrade Kit, HP part number J2351A, is available from your nearest
Dealer or HP Sales Office. (One Upgrade Kit must be ordered for each HP 28684B Hub/12
to be upgraded.)
Once upgraded, the HP 28684B Hub/12 becomes an HP 28688B Hub Plus and includes the
following features:
Remote management capability from a network management station that
supports SNMP over IP or IPX.
Additional console commands:
– IP configuration
– BAck-up link configuration
– PIng (network-layer ICMP Echo Request test)
– PAssword (to set network management access control)
Network update capability for future firmware enhancements.
1-10 Introducing the HP EtherTwist Hub/12, Hub Plus, and Hub Plus/48
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