Technical data
Table 1 (Cont.): Module Identification Labels
Module
Number
Option
Number Description
M3118–YB CXB16 16-line asynchronous serial interface (RS–422, noise
immune)
M3119–YA CXY08 8-line asynchronous serial interface (full modem support)
M3121–PA DFA01 2-line asynchronous serial interface with integral modem
M3127–PA DESQA Ethernet adapter
M7531–PA DIV32 ISDN controller, synchronous communication
M7651–PA DRV1W Real-time parallel interface
M8020–PA DPV11 Synchronous serial line interface
M8049–PA DRV1J Real-time parallel interface
Miscellaneous
A026–PA AXV11 D/A and A/D converter
A030–PA ADQ32 32-channel, single-ended, or 16-differential-channel ana-
log to digital converter
A1008–PA ADV11 16-channel, single-ended, or 8-differential-channel analog
to digital converter
A1009–PA AAV11 Digital to analog converter
M3125–PA IBQ01 BITBUS to Q-bus DMA controller
M4002–PA KWV11 Programmable real-time clock
M7168, M7169 VCB02 VS30U (QDSS) graphics upgrade
M7533–AB DEQRA DEC TRNcontroller 100 (token ring adapter)
M7658–PA DRQ3B Real-time parallel interface
M8086–PA LPV11 Dual parallel printer interface
M8634–PA IEQ11 IEEE instrument bus DMA controller
M9404, M9405 None BA21X–SF Q-bus expansion kit
CAUTION: Do not operate the system without Digital module covers. They
are required to protect the equipment, to maintain proper airflow for cooling,
and to meet international regulatory standards. Do not substitute other
covers as they may not meet the required specifications.
VAX 4000 Model 300 Installation 15










