36592A HP-UX SNA Link to IBM 370
36593A HP-UX SNA Link to IBM 370
36941A X.25 Link

50955A IBM 3278 Display Station Emulator
50962A Shared Resource Management (SRM) was an HP networking system

98171A LAN coax card 
98287A to 98700 display
98235A AUI LAN card
98237A coax LAN card
98253A EPROM Development
98255A EPROM card
98256A 256K RAM
98257A 1M RAM
98259A 128 K Bubble
98286D DOS Coprocessor
98542A 512x400 monochrome output to 35731A display
98543A 512x400 4 Color output to 35741A
98544B 1024x768 monochrome output to 98786A
98546A 200 series compatability display
98547A 1024x768 RGB Video output to 98751A or 98785A
98549A 1024x768 RGB Video output to 98751A or 98785A
98574A Super hi-res display
98603A ROM-based Basic
98622A 16 bit General Purpose I/O 
98623A 43 line BCD I/O typically used for older non HP-IB instruments
98624A Standard HP-IB typically used for instruments, maybe more than one in a system
98625B High-Speed HP-IB typically used for hard drives
98626A Single port RS-232 typically used for modem, terminal,printer,plotter, etc.
98628A Single port Data Com RS-232, RS-422, RS-423 & RS-449 CCITT V.28
98630A Breadboard Interface
98633A Multiprogrammer I/O for the 6944A
98635A Floating point processor (NS16081) 
98640A 7-Channel Analog Input
98642A 4-channel RS-232 Multiplexer
98643A ethernet interface
98644A single port RS-232
98646A DIO to VME adapter
98647A PCIB interface for 61xxx series instruments
98658A SCSI Single-Ended typically used for hard disks
98627A Color Video to 13279B
98695A 3270 coax interface
98724A I/O to 98720A SRX Graphics Controller 
98725A I/O to 98720A SRX Graphics Controller