V1.1 2018-10-9
www.risinghf.com
RHF2S208 User Manual
RisingHF
41
8 FAQ
Q1: Customized global_conf.json file can’t be recognized by packet forwarder?
A1: Check below rule. Every object must end with comma, except the last member of a object or array.
( // and /* */ are special comment format, no need consider it)
Q2: One gateway receives 2 same packets at almost the same time
A2: If the main channel receive packets at a high signal strength, in such case SX1301 chip is possible
to receive mirror packet, server should compare the packets to filter the fake packet.
Semtech official explain:
https://github.com/Lora-net/lora_gateway/issues/48
Q3: Gateway TX packet is received back
A3: SX125x is full duplex chips with half duplex design. When gateway switch to TX mode the
receiver is not closed, only switch is controlled, it is possible to receive such packet.
Q4: Can’t dial in cellular network.
A4: Make sure below items OK.
1) lte service is enabled
2) SIM card is inserted correctly ( Be careful about the SIM card direction, SIM direction mark
outside)
3) SIM card is OK
4) APN configuration
If it is still an issue, please contact
to get help. Remember to attach the log.
Q5: ADR issue when connecting with Loriot server
A5: Loriot server assumes that device enables 8 channels, if device has less channels it is possible to
lead to the problem.
Q6: Fail to connect to a LoRaWAN server
A6: If you have succeded in connecting the gateway to a LoRaWAN server but you fail to connect to
another server, please check if you have stopped previous service. Two competion service will make
your gateway fail to connect to the target server.
If this is the first time to connect to the server, please make sure you have select the right operation
band which should be compatible with the part number of your gateway.
Q7: Fail to connect to Loriot server
A7: Please check if you have selected the right radio front-end for your gateway when you register the
gateway. Please select 434/470MHz (SX1255) for RHF2S208xxx-434 and RHF2S208xxx-470, and
select 868/915MHz (SX1257) for RHF2S208xxx-868 and RHF2S208xxx-915.
