HP 12040-69014 - 8-channel asynchronous (RS-232C) MUX I/O board - 8-Channel Asynchronous (RS-232C) MUX I/O Board (12040C/D) Retail
HP 12040-69005 - 8-channel asynchronous (RS-232C) MUX I/O board - 8-Channel Asynchronous (RS-232C) MUX I/O Board (12040A/B) Retail
HP J2094-69011 - HP-PB 16 channel RS-232C modem connect MUX board - HP-PB 16 Channel RS-232C Modem Connect MUX Bd (P/O J2094A) Retail
HP J2096-69011 - 32 channel RS-232C direct connect MUX board with RJ-45 connector - 32 Channel RS-232C Direct Connect MUX Board (with RJ-45 Connectors) - for the HP-PB I/O Board Slot (P/O J2096A) Retail
HP 40299-69021 - HP-PB 8 channel RS-232C MUX interface - HP-PB 8 Channel RS-232C MUX Interface (P/O 40299B) Retail