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Mesa Electronics 7i85 5-channel RS-422 + 4-channel Encoder Daughter Card (view source)
Revision as of 18:46, 22 January 2023
, 18:46, 22 January 2023clarified TTL polarity
| 7i85 ← Encoder
| 7i85 ← Encoder
| active high (compared to A-)
| active high (compared to A-)
| TTL input w/ pull-up
| active high TTL input w/ pull-up
|-
|-
| 2
| 2
| 7i85 ← Encoder
| 7i85 ← Encoder
| active high (compared to B-)
| active high (compared to B-)
| TTL input w/ pull-up
| active high TTL input w/ pull-up
|-
|-
| 5
| 5
| 7i85 ← Encoder
| 7i85 ← Encoder
| active high (compared to Z-)
| active high (compared to Z-)
| TTL input w/ pull-up
| active high TTL input w/ pull-up
|-
|-
| 8
| 8