GLOBALSTAR PROPRIETARY AND CONFIDENTIAL INFORMATION
Use or disclosure of data contained on this sheet is subject to the restrictions in the Distribution Statements on the title page of this
document.
06/18/20
Subject to Change without Notice
P a g e | 27
Response:
AA 05 00 D9 C4
The example above commands the ST100 Board to send 9 bytes of
user defined data
over the Globalstar Simplex
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
Len
Cmd
CRC1
CRC2
AA
05
01
50
D5
Command:
AA 05 01 50 D5
Response:
Leader
Len
Cmd
ESN
CRC1
CRC2
AA
09
01
XX
XX
XX
XX
86
7A
Example Response:
AA 09 01
00 23 18 60
86 7A
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
Len
Cmd
CRC1
CRC2
AA
05
03
42
F6
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.
