
Option 63 — Data Lines and Response Line Logic Polarity with
Parallel Interface
MVP/L150
Lines in Option 63 are normally high active (positive true) but they may be configured to low active (negative true) signals; Selected/Online, PE, and Data Request are affected. Acknowledge, used in the Centronics interface, remains low active.
Option
Number
Display
Configuration Description
.0
.1
63.0
63.1
Enable high active data and responsive lines logic polarity (default). Enable low active data and responsive lines logic polarity.
NOTE: Option 64 is reserved for future use.
150B/L150B
Option | Display | Configuration |
Number |
| Description |
|
|
|
.0 | 63.0 | Enable high active data and responsive lines logic polarity (default). |
|
|
|
.1 | 63.1 | Enable low active data and responsive lines logic polarity. |
|
|
|
Interfaces |