Owner's manual

Table Of Contents
5.7.3 Unrecognized Function
Table 5-46 SECS Messages Unrecognized Function
Step SECS Message Description
1. H -> E SnFn [W] Host sends a primary message with a stream number for which
the Equipment recognizes some messages, but with a function
number that the Equipment does not support for that stream.
The W-bit can be either 0 or 1.
2. H <- E S9F5 Equipment replies with “Unrecognized Function”.
5.7.4 Illegal Data Format
Table 5-47 SECS Messages Illegal Data Format
Step SECS Message Description
1. H -> E SnFn [W] Host sends a message with a stream and function that the
Equipment recognizes, but with a data format that is incorrect.
The W-bit can be either 0 or 1.
2. H <- E S9F7
5.7.5 Data Too Long
Table 5-48 SECS Messages Data Too Long
Step SECS Message Description
1. H -> E SnFn [W] Host sends a message with a stream and function that the
Equipment recognizes, but contains more data than expected.
The W-bit can be either 0 or 1.
2. H <- E S9F11 Equipment replies with “Data Too Long”. If the erroneous
message is a primary with the W-bit set to 1, then in come
cases the Equipment will reply with the usual secondary
response with an appropriate error code, instead of S9F11. If
the erroneous message is a secondary, the Equipment makes
no reply at all.
SECS Scenarios 5-21