HP 3C10116 - NBX internal Digital Line Card (DLC) - 1.544 Kbps, MDI-x uplink port to LAN switch port Retail
HP 3C10116C - NBX Digital Line Card (DLC) - 1-port RJ45, 1-port MDIX, 10Mbps - Supports 24 DSO (T1) channels Retail
HP 3C10114 - NBX analog line card - For NBX phone system - Connects up to four Loop Start PSTN telephone Retail