1.
1.1
Overview.........................................................................................................................................1
2.
2.1
Overview.........................................................................................................................................3
2.2
Definition of Error Types ...............................................................................................................3
2.3
DLE Insertion and Deletion............................................................................................................3
2.4
CRC.................................................................................................................................................4
2.5
Sequence Numbering ......................................................................................................................4
2.6
2.7
Reserved Addresses ........................................................................................................................4
2.8
2.9
2.11 Application Error Codes ...............................................................................................................12
2.12 Sequence of Operations ................................................................................................................13
3.
3.1
Overview.......................................................................................................................................15
3.2
3.2.6 Port Lockout ..........................................................................................................................20
3.3
Taxonomy of Classes....................................................................................................................21
3.4
3.5
3.6
Frequently Asked Questions.........................................................................................................23
4.
4.1
Overview.......................................................................................................................................27
iv
Contents
RS232 Communications Reference Manual
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