System information

Installing Hardware Options
3–18
VAX 4000 Model 108 User Information
Installing the Synchronous Communication Option
The VAX 4000 108 system supports the DSW43-AA synchronous communications option.
To install it, follow these instructions:
1. Turn off the system, unplug the power cord and remove the cover.
2. Insert the module into the slot of the I/O receiver, pressing it firmly into place to
seat the connection.
MLO-013721
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Figure 3-11 Installing the Synchronous Communication Option
3. Insert the screw through the module and into the I/O shelf as shown.
4. Connect the 100-pin- to-2x50 pin pigtail cables to the new synchronous
communications option.
5. Close the cover, connect the power cord and plug it into the wall outlet.