Send Data (0X00); Query Electronic Serial Number (Esn) (0X01); Abort Transmission (0X03) - Globalstar ST100 User Manual

8545-0194-01 v1.0

4.2.2.1. Send Data (0x00)

The Send Data command requests the ST100 board to send from 1 to 144 data bytes over the Globalstar Simplex network.
0x00
LEADER LEN
AA NN
Example Command:
Response:
The example above commands the ST100 Board to send 9 bytes of
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
AA 05
Command: AA 05 01 50 D5
LEADER LEN
AA 09
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 LEN
AA 05
Command: AA 05 03 42 F6
Response: AA 05 03 42 F6
ST100 User Manual v1
CMD PAYLOAD 1
XX
00
AA 0E 00 01 02 03 04 05 06 07 08 09
AA 05 00 D9 C4
CMD CRC1
01 50
CMD
01 XX
00 23 18 60
AA 09 01 86 7A
CMD CRC1
03 42
PAYLOAD 2 PAYLOAD 3
XX XX
BE E8
user defined data
CRC2
D5
ESN
XX XX
CRC2
F6
Confidential & Proprietary Information
.. PAYLOAD N CRC1
XX XX
CLSB
over the Globalstar Simplex network. If
CRC1 CRC2
XX 86
CRC2
CMSB
7A
31