021-0188-00
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The Tektronix 021-0188-00 Data Communication Interface attaches to the rear of a 4051 via a card-edge connector and provides an RS 232 port and two slots to accept expansion ROM cartridges/packs. If purchased with a 4051, it was known as Option 1, otherwise it is referred to by its model number 021-0188-00.
ROM cartridges/packs
The following ROM packs or interfaces can be installed in either the left or right slot:
- 4050E01 ROM Expander
- 4051C01 Synchronous Communications Interface
- 4051R01 Matrix Functions
- 4051R05 Binary Program Loader
- 4051R06 Editor
- 4051R07 Signal Processing Cartridge Number 1
- 4051R08 Signal Processing Cartridge Number 2
- 4051R12 Graphics Enhancement
- 4051R14 GPIB Enhancement
- 4907 "File Manager" floppy disk drive (GPIB)
- 4924 Cartridge tape drive (GPIB)
- 021-0189-00 RS232 Printer Interface Module
- 020-0279-00 File Manager ROM Pack
Third-party ROM cartridge/packs
- VintageTEK 4051 MaxiRom 10-in-1 Rom Pack
- VintageTEK 4051 Rampack Solid-State Tape Drive Replacement
