Page
185
of
248
packet-type
sub-header
data
The packet-type is a single byte:
Hex Value
ASCII
Description
0x30
0
Self-timed
0x31
1
Self-timed extended
0x32
2
Entering alarm
0x33
3
Entering alarm extended
0x34
4
Exiting alarm
0x35
5
Exiting alarm extended
0x36
6
Command response
0x37
7
Command response extended
0x38
8
Forced transmission
0x39
9
Forced transmission extended
...
Reserved for future use
0x7D
}
User defined
0x7E
~
Look to next byte for meaning
0xFF
Binary data, reserved for future use
The sub-header has the following comma-delimited fields:
,id,start-byte,total-bytes,station-name:
packet-type
Numeric ASCII character-defining packet type. See type definitions
in table, below
id
Numeric ASCII text defining the message id. Starts at 0. Rolls over
after 99.
total-bytes
Numeric ASCII text defining the total number of data bytes to be
sent (data only, does not include overhead bytes)
start-byte
Numeric ASCII text defining which byte of total-bytes is the start
byte of the current packet. Starts at 0.
station-name Optional ASCII field that has station name. Formatted as
,N=STATION NAME
16.12.2
Iridium Header Examples
The following examples illustrate how to use the new header.
Summary of Contents for SUTRON XLINK 100
Page 230: ...Page 230 of 248...
Page 247: ...Page 247 of 248...
