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Response:
The example above commands the ST100 Board to send 9 bytes of
network. If the ST100 Board receives a properly formatted Send Data command, it returns an acknowledge response as
shown above. If the command is not properly formatted, it will return the NAK response AA 05 FF A1 CB.
4.2.2.2 Query Electronic Serial Number (ESN) (0x01)
The Electronic Serial Number command requests the ST100 BOARD to respond with the units Electronic Serial Number
(ESN).
0x01
Leader
AA
Command:
AA 05 01 50 D5
Response:
Leader
AA
Example Response:
Where the ESN returned is 2300000.
4.2.2.3 Abort Transmission (0x03)
The Abort Transmission command requests the ST100 BOARD to abort the current message transmit sequence over the
Globalstar Simplex network. This command aborts a redundant burst transmission. It DOES NOT abort track mode.
0x03
Leader
AA
Command:
AA 05 03 42 F6
Response:
AA 05 03 42 F6
4.2.2.4 Query Bursts Remaining (0x04)
The Query Bursts Remaining command requests the ST100 BOARD to return the current number of bursts remaining the
current message transmit sequence over the Globalstar Simplex network.
Use or disclosure of data contained on this sheet is subject to the restrictions in the Distribution Statements on the title page of this
06/18/20
AA 05 00 D9 C4
Len
Cmd
05
01
Len
Cmd
09
01
AA 09 01
00 23 18 60
86 7A
Len
Cmd
05
03
GLOBALSTAR PROPRIETARY AND CONFIDENTIAL INFORMATION
Subject to Change without Notice
user defined data
CRC1
CRC2
50
D5
ESN
XX
XX
CRC1
CRC2
42
F6
document.
over the Globalstar Simplex
CRC1
86
XX
XX
CRC2
7A
P a g e | 27
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