Miranda Kaleido-K2 User Manual Page 188

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174
Using the Serial to TCP/IP Dispatcher
6
Figure:10 Annex A - Checksums
Annex B - Use Case Example
This section presents a Serial-To-TCP Dispatcher Protocol use case example.
Ross Interaction Use Case Diagrams
The following sections present a use case in which the Dispatcher is used with a Ross Production switcher
in order to send XML commands from to a Miranda Kaleido Multiimage system. Each subsection focuses
on a specific Dispatcher packet.
Ross Open Socket Message
Figure:11 Ross Switcher Open socket example
0x020x7E 0x0018
8 bits 8 bits16 bits 16 bits
Command ID : Send Data
Begin Packet flag
Length of the xml command
in bytes unit
Checksum see
Annex A
0x0000 <XML BEGIN> … </END XML>0x1516
20 bytes
0xB9
16 bits
8 bits
Link ID Multiplex ID for future use
0x01
Protocol version
0x00
Checksum see Annex A:
0x00
+ 0x18
+ 0x01
+ 0x02
+ 0x15
+ 0x16
----------
1's complement sum = 0x46
0x46 1's complement = 0xB9
Correct since 0x00 + 0x18 + 0x01 + 0x02 + 0x15 + 0x16 +0xB9 = 0xFF
0x010x7E 0x0008
8 bits
8 bits16 bits
16 bits
Command ID : open socket
Begin Packet flag
Length of the of IP address
and port number in bytes unit
0x1F53196.186.1.200 (0xC4BA01C8) 1300 (0x0514)
32 bits 16 bits
0x01
Protocol version
Checksum see Annex A
0x1516
Link ID
8 bits
IP Address Port Number
16 bits
Kaleido-X User's Manual.book Page 174 Friday, August 24, 2007 4:39 PM
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