HP 3C10115 - NBX card - 10BASE-T, networking hub, 8-port RJ45, 10Mbps shared Ethernet, 1-port 10BASE-2, BNC Retail
HP J2608-61001 - ThinLAN transceiver module - Has one BNC connector (10Base-2 port) - (J2608A) Retail
HP 28641-60015 - HP ThinLAN (10Base-2) transceiver - Has AUI and BNC connectors - (28641B) - Plugs into the AUI port Retail