HP AdvanceStack J2610B Installation And Reference Manual page 14

Installing the Hub
The HP Transceiver Modules provide extended connectivity choices from
the hub to Ethernet networks.
The following optional transceiver modules provide these additional
connectivity options:
The HP AdvanceStack 8U/16U SNMP Module and HP Transceiver Modules
and their cabling configurations are described in their accompanying
documentation.
1-4
HP J2608A ThinLAN Transceiver Module
for 10Base-2 networks
HP J2606A Fiber-Optic Transceiver Module for
10Base-FL networks
HP J2607A Twisted-Pair Transceiver Module for
10Base-T networks
HP J2609A AUI Port Module for connecting a
standard IEEE 802.3 external transceiver to the hub