Protocol V2
1,710 entries

SDK2 symbol-frame protocol — every frame received from devices and every reply sent back (ACK/NAK/keepalive)

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Log Entries
INFO OUT 2026-06-10 08:48:14.811
[v2] [V2] [UDP] Sent to ('172.20.0.1', 48811): ~SDK2|A|1|104|Q:G*07
Decode frame
TypeACK (server reply) [A]
Box ID1
Seq104
Server actionG
Checksum07 ✓ valid (full body)
2026-06-10 08:48:14.811 [INFO] [v2] [V2] [UDP] Sent to ('172.20.0.1', 48811): ~SDK2|A|1|104|Q:G*07
INFO 2026-06-10 08:48:14.811
[v2] [V2] Box 1 registered via UDP (172.20.0.1:48811)
2026-06-10 08:48:14.811 [INFO] [v2] [V2] Box 1 registered via UDP (172.20.0.1:48811)
INFO IN 2026-06-10 08:48:14.810
[v2] [V2] [UDP] Received from ('172.20.0.1', 48811): ~SDK2|R|1|104|q1w2e3r4t5y6u7i8*30
Decode frame
TypeRegister [R]
Box ID1
Seq104
Tokenq1w2e3r4t5y6u7i8
Checksum30 ✓ valid (full body)
2026-06-10 08:48:14.810 [INFO] [v2] [V2] [UDP] Received from ('172.20.0.1', 48811): ~SDK2|R|1|104|q1w2e3r4t5y6u7i8*30
INFO OUT 2026-06-10 08:48:14.409
[v2] [V2] [UDP] Sent to ('172.20.0.1', 34644): ~SDK2|A|1|103|Q:A*06
Decode frame
TypeACK (server reply) [A]
Box ID1
Seq103
Server actionA
Checksum06 ✓ valid (full body)
2026-06-10 08:48:14.409 [INFO] [v2] [V2] [UDP] Sent to ('172.20.0.1', 34644): ~SDK2|A|1|103|Q:A*06
INFO 2026-06-10 08:48:14.408
[v2] [V2] Heartbeat from box 1 (172.20.0.1:34644)
2026-06-10 08:48:14.408 [INFO] [v2] [V2] Heartbeat from box 1 (172.20.0.1:34644)
INFO IN 2026-06-10 08:48:14.407
[v2] [V2] [UDP] Received from ('172.20.0.1', 34644): ~SDK2|H|1|103|q1w2e3r4t5y6u7i8*2D
Decode frame
TypeHeartbeat [H]
Box ID1
Seq103
Tokenq1w2e3r4t5y6u7i8
Checksum2D ✓ valid (full body)
2026-06-10 08:48:14.407 [INFO] [v2] [V2] [UDP] Received from ('172.20.0.1', 34644): ~SDK2|H|1|103|q1w2e3r4t5y6u7i8*2D
INFO OUT 2026-06-10 08:48:14.006
[v2] [V2] [UDP] Sent to ('172.20.0.1', 39755): ~SDK2|A|1|102|Q:C|F:60*03
Decode frame
TypeACK (server reply) [A]
Box ID1
Seq102
Server actionC
TX frequency60
Checksum03 ✓ valid (full body)
2026-06-10 08:48:14.006 [INFO] [v2] [V2] [UDP] Sent to ('172.20.0.1', 39755): ~SDK2|A|1|102|Q:C|F:60*03
INFO IN 2026-06-10 08:48:13.766
[v2] [V2] [UDP] Received from ('172.20.0.1', 39755): ~SDK2|U|1|102|q1w2e3r4t5y6u7i8*31
Decode frame
TypeU [U]
Box ID1
Seq102
Checksum31 ✓ valid (full body)
2026-06-10 08:48:13.766 [INFO] [v2] [V2] [UDP] Received from ('172.20.0.1', 39755): ~SDK2|U|1|102|q1w2e3r4t5y6u7i8*31
INFO OUT 2026-06-10 08:48:13.365
[v2] [V2] [UDP] Sent to ('172.20.0.1', 50393): ~SDK2|A|1|101|Q:C|F:60*00
Decode frame
TypeACK (server reply) [A]
Box ID1
Seq101
Server actionC
TX frequency60
Checksum00 ✓ valid (full body)
2026-06-10 08:48:13.365 [INFO] [v2] [V2] [UDP] Sent to ('172.20.0.1', 50393): ~SDK2|A|1|101|Q:C|F:60*00
INFO IN 2026-06-10 08:48:12.927
[v2] [V2] [UDP] Received from ('172.20.0.1', 50393): ~SDK2|D|1|101|q1w2e3r4t5y6u7i8|B:4205|G:-90|O:26201|V:0|W:2|F:8|H:|A:C|N:2|U:0|R:0|I:2|C:51|M:38|K:6*74
Decode frame
TypeData (telemetry uplink) [D]
Box ID1
Seq101
Tokenq1w2e3r4t5y6u7i8
Battery (mV)4205
GSM level-90
Operator26201
Visits since last reading0
Visits 10tx2
TX frequency8
HW issues
ActionC
Boot count2
High activity0
Throttle0
FW version2
CPU51
Memory38
Disk6
Checksum74 ✓ valid (full body)
2026-06-10 08:48:12.927 [INFO] [v2] [V2] [UDP] Received from ('172.20.0.1', 50393): ~SDK2|D|1|101|q1w2e3r4t5y6u7i8|B:4205|G:-90|O:26201|V:0|W:2|F:8|H:|A:C|N:2|U:0|R:0|I:2|C:51|M:38|K:6*74