This 1-byte field defines certain general session characteristics.
These characteristics are:
- Bit setting 0123 4567
- (Byte 23) Meaning
- ..0. ....
- The primary logical unit can send data first.
- ..1. ....
- The secondary logical unit must send data first.
- .... 0...
- The secondary logical unit initiates attended.
- .... 1...
- The secondary logical unit initiates unattended.
- .... .0..
- The secondary logical unit does not alternate between attended
and unattended.
- .... .1..
- The secondary logical unit alternates between attended and unattended.
- xx.x ..xx
- Reserved.