emqx_jt808_schema { jt808_frame_max_length.desc: """The maximum length of the JT/T 808 frame.""" jt808_auth.desc: """Authentication settings of the JT/T 808 Gateway.""" jt808_allow_anonymous.desc: """Allow anonymous access to the JT/T 808 Gateway.""" registry_url.desc: """The JT/T 808 device registry central URL.""" authentication_url.desc: """The JT/T 808 device authentication central URL.""" jt808_up_topic.desc: """The topic of the JT/T 808 protocol upstream message.""" jt808_dn_topic.desc: """The topic of the JT/T 808 protocol downstream message.""" retry_interval.desc: """Re-send time interval""" max_retry_times.desc: """Re-send max times""" message_queue_len.desc: """Max message queue length""" }