8
VPL-PX35/PX40/FX51
3-2. SDAP Protocol
This section describes the SDAP packet structure.
Fig.1 Packet structure
1) Header
The header consists of ID (16 bit), version (8 bit) and category (8 bits).
Fig. 2 Header
ID
It is fixed to “DA”.
Version
This indicates the version number of protocol.
It is fixed to 01h (version 1).
Category
Category number 0x0a of the projector is entered here.
2) Community
The community that is set in the display equipment is entered.
Fig. 3 Community
3) Equipment Information
Product Name
Name of equipment (Maximum twelve characters)
In case, less than twelve characters, 00h is entered in the blank space.
Serial No.
Serial number is entered.
Power Status.
Power supply status of the equipment is entered.
Location
Information of installation location (Maximum twenty four characters)
In case, less than twenty four characters, 00h is entered in the blank space.
Header
(4)
Community
(4)
Product name
(12)
Serial No.
(4)
Location
(24)
Power
Status
(2)
(Bit position)
1
1
0
2
3
4
5
6
7
0
9
8
0
1
2
3
4
5
7
6
8
9 0
1
2
3
5
4
6
7
8
9
0
1
2
3
Version (8)
“DA” (16)
Category (8)
(Bit position)
Community (32)
1
1
0
2
3
4
5
6
7
0
9
8
0
1
2
3
4
5
7
6
8
9 0
1
2
3
5
4
6
7
8
9
0
1
2
3
