Hello friends,
I was trying to send some order to device, but I’ve got the error:
Code: DOWNLINK_PAYLOAD_SIZE
Level: ERROR
I read that the payload size is specified by the channel, but i don’t know why the maximum size is 11.
The Device profile is:
The region configuration is: `
[[regions]]
# Name is an user-defined identifier for this region.
name="us915_1"
# Common-name refers to the common-name of this region as defined by
# the LoRa Alliance.
common_name="US915"
# Gateway configuration.
[regions.gateway]
# Force gateways as private.
#
# If enabled, gateways can only be used by devices under the same tenant.
force_gws_private=false
# Gateway backend configuration.
[regions.gateway.backend]
# The enabled backend type.
enabled="mqtt"
# MQTT configuration.
[regions.gateway.backend.mqtt]
# Event topic template.
event_topic="gateway/+/event/+"
# Command topic template.
command_topic="gateway/{{ gateway_id }}/command/{{ command }}"
# MQTT server (e.g. scheme://host:port where scheme is tcp, ssl or ws)
server="tcp://mqtt-server:1883"
username=""
password=""
# Quality of service level
#
# 0: at most once
# 1: at least once
# 2: exactly once
#
# Note: an increase of this value will decrease the performance.
# For more information: https://www.hivemq.com/blog/mqtt-essentials-part-6-mqtt-quality-of-service-levels
qos=0
# Clean session
#
# Set the "clean session" flag in the connect message when this client
# connects to an MQTT broker. By setting this flag you are indicating
# that no messages saved by the broker for this client should be delivered.
clean_session=true
# Client ID
#
# Set the client id to be used by this client when connecting to the MQTT
# broker. A client id must be no longer than 23 characters. When left blank,
# a random id will be generated. This requires clean_session=true.
client_id=""
# Region specific network configuration.
[regions.network]
# Installation margin (dB) used by the ADR engine.
#
# A higher number means that the network-server will keep more margin,
# resulting in a lower data-rate but decreasing the chance that the
# device gets disconnected because it is unable to reach one of the
# surrounded gateways.
installation_margin=10
# RX window (Class-A).
#
# Set this to:
# 0: RX1 / RX2
# 1: RX1 only
# 2: RX2 only
rx_window=0
# RX1 delay (1 - 15 seconds).
rx1_delay=10
# RX1 data-rate offset
rx1_dr_offset=0
# RX2 data-rate
rx2_dr=0
# RX2 frequency (Hz)
rx2_frequency=923300000
# Prefer RX2 on RX1 data-rate less than.
#
# Prefer RX2 over RX1 based on the RX1 data-rate. When the RX1 data-rate
# is smaller than the configured value, then the Network Server will
# first try to schedule the downlink for RX2, failing that (e.g. the gateway
# has already a payload scheduled at the RX2 timing) it will try RX1.
rx2_prefer_on_rx1_dr_lt=0
# Prefer RX2 on link budget.
#
# When the link-budget is better for RX2 than for RX1, the Network Server will first
# try to schedule the downlink in RX2, failing that it will try RX1.
rx2_prefer_on_link_budget=false
# Downlink TX Power (dBm)
#
# When set to -1, the downlink TX Power from the configured band will
# be used.
#
# Please consult the LoRaWAN Regional Parameters and local regulations
# for valid and legal options. Note that the configured TX Power must be
# supported by your gateway(s).
downlink_tx_power=-1
# ADR is disabled.
adr_disabled=true
# Minimum data-rate.
min_dr=2
# Maximum data-rate.
max_dr=8
# Enabled uplink channels.
#
# Use this when ony a sub-set of the by default enabled channels are being
# used. For example when only using the first 8 channels of the US band.
# Note: when left blank / empty array, all channels will be enabled.
enabled_uplink_channels=[8, 9, 10, 11, 12, 13, 14, 15, 65]
# Class-B configuration.
[regions.network.class_b]
# Ping-slot data-rate.
ping_slot_dr=8
# Ping-slot frequency (Hz)
#
# set this to 0 to use the default frequency plan for the configured region
# (which could be frequency hopping).
ping_slot_frequency=0`
Please someone could help us or if you need some extra info, let us know.
,
