211 -

Note: Use standardized abbreviations like "APT" or "STE" rather than the pound sign (#) if the specific designation is known.

Street number, street name, and any secondary unit designators (e.g., APT 211). Note: Use standardized abbreviations like "APT" or "STE"

This code indicates a failure of the base 64K memory on the I/O channel . and any secondary unit designators (e.g.