Try KHD protocol.
not conected to khd protoccol
hex
021-02-06 17:47:03 INFO: [1ec4e548: khd < ] HEX: 292980002846470311210206104702031159180295959200030002f8a2a960fdfc3200001e000000000000b70d
2021-02-06 17:47:03 WARN: Unknown device - 46470311 70-57-12517 ()
2021-02-06 17:47:14 INFO: [1ec4e548: khd < ] HEX: 292980002846470311210206104712031159170295959000000002f8a2a960fdfc3200001e000000000000a90d
2021-02-06 17:47:14 WARN: Unknown device - 46470311 70-57-12517 ()
2021-02-06 17:50:13 INFO: [1ec4e548: khd < ] HEX: 2929800028ffffffff210206105012031158980295958700010002f8a2a980fdfc3200001e000000000000d50d
2021-02-06 17:50:13 WARN: Unknown device - ffffffff 255127127255 ()
2021-02-06 17:50:24 INFO: [1ec4e548: khd < ] HEX: 292980002850170311210206105022031159060295958900010002f8a2a980fdfc3200001e000000000000210d
2021-02-06 17:50:24 WARN: Unknown device - 50170311 80-105-12517 ()
2021-02-06 17:53:24 INFO: [1ec4e548: khd < ] HEX: 292980002852560311210206105322031159170295958400000002f8a2a9a0fdfc3200001e0000000000005c0d
2021-02-06 17:53:24 WARN: Unknown device - 52560311 82-42-12517 ()
2021-02-06 17:53:33 INFO: [1ec4e548: khd < ] HEX: 292980002853260311210206105331031159050295957900000002f8a2a9a0fdfc3200001e000000000000d10d
2021-02-06 17:53:33 WARN: Unknown device - 53260311 83-90-12517 ()
2021-02-06 17:56:32 INFO: [1ec4e548: khd < ] HEX: 292980002856260311210206105631031159010295958000000002f8a2a9e0fdfc3200001e0000000000006c0d
2021-02-06 17:56:32 WARN: Unknown device - 56260311 86-90-12517 ()
2021-02-06 17:56:42 INFO: [1ec4e548: khd < ] HEX: 292980002856260311210206105641031159000295958200000002f8a2a9e0fdfc3200001e0000000000001f0d
2021-02-06 17:56:42 WARN: Unknown device - 56260311 86-90-12517 ()
2021-02-06 17:59:42 INFO: [1ec4e548: khd < ] HEX: 292980002859260311210206105941031158950295959500000002f8a2aa20fdfc3200001e0000000000005f0d
2021-02-06 17:59:42 WARN: Unknown device - 59260311 89-90-12517 ()
2021-02-06 17:59:52 INFO: [1ec4e548: khd < ] HEX: 292980002859260311210206105951031158960295959000000002f8a2aa20fdfc3200001e000000000000490d
2021-02-06 17:59:52 WARN: Unknown device - 59260311 89-90-12517 ()
2021-02-06 18:02:53 INFO: [1ec4e548: khd < ] HEX: 292980002802260311210206110251031159020295958500000002f8a2aa20fdfc3200001e000000000000c80d
2021-02-06 18:02:53 WARN: Unknown device - 02260311 02-90-12517 ()
2021-02-06 18:03:02 INFO: [1ec4e548: khd < ] HEX: 292980002802560311210206110301031159010295958300000002f8a2aa20fdfc3200001e000000000000ec0d
2021-02-06 18:03:02 WARN: Unknown device - 02560311 02-42-12517 ()
2021-02-06 18:06:02 INFO: [1ec4e548: khd < ] HEX: 292980002805560311210206110601031159150295958300010002f8a2aa20fdfc3200001e000000000000fb0d
2021-02-06 18:06:02 WARN: Unknown device - 05560311 05-42-12517 ()
2021-02-06 18:06:12 INFO: [1ec4e548: khd < ] HEX: 292980002805560311210206110611031159270295958600030002f8a2aa20fdfc3200001e000000000000de0d
2021-02-06 18:06:12 WARN: Unknown device - 05560311 05-42-12517 ()
2021-02-06 18:09:12 INFO: [1ec4e548: khd < ] HEX: 292980002808560311210206110910031159100295958300000002f8a2aa40fdfc3200001e0000000000008c0d
2021-02-06 18:09:12 WARN: Unknown device - 08560311 08-42-12517 ()
2021-02-06 18:09:22 INFO: [1ec4e548: khd < ] HEX: 292980002808560311210206110920031159150295958300010002f8a2aa40fdfc3200001e000000000000b80d
2021-02-06 18:09:22 WARN: Unknown device - 08560311 08-42-12517 ()
2021-02-06 18:12:22 INFO: [1ec4e548: khd < ] HEX: 292980002811560311210206111220031158940295957300010002f8a2aac0fdfc3200001e0000000000004a0d
2021-02-06 18:12:22 WARN: Unknown device - 11560311 17-42-12517 ()
2021-02-06 18:12:32 INFO: [1ec4e548: khd < ] HEX: 292980002812260311210206111230031158960295956500000002f8a2aac0fdfc3200001e0000000000003c0d
2021-02-06 18:12:32 WARN: Unknown device - 12260311 18-90-12517 ()
2021-02-06 18:15:32 INFO: [1ec4e548: khd < ] HEX: 292980002815260311210206111530031159110295958200010002f8a2aae0fdfc3200001e0000000000007c0d
2021-02-06 18:15:32 WARN: Unknown device - 15260311 21-90-12517 ()
2021-02-06 18:15:42 INFO: [1ec4e548: khd < ] HEX: 292980002815260311210206111540031159100295958200000002f8a2aae0fdfc3200001e0000000000000c0d
2021-02-06 18:15:42 WARN: Unknown device - 15260311 21-90-12517 ()
In that case it's probably not supported. But you should find protocol documentation to double check.
I'm an engineer from BSJ,you can contact me by the email:[removed],maybe I can help you.
i used bsj-a08 Chinese device
I linked to Port 5015
How to know its port or protocol?