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HOBO MX Gateway Manual 

 

1-508-759-9500 (U.S. and International) 
1-800-LOGGERS (564-4377

(U.S. only) 

www.onsetcomp.com/support/contact 

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23470-J 

 

Notes: 

 

A logging interval of 5 minutes or slower is optimal for the 
gateway, although it can support a logging interval down 
to 1 minute. If the logging interval is set from 1 minute up 
to 5 minutes, there may be occasional missing individual 
data points in exported files. Both the gateway and loggers 
regularly “advertise” or send out Bluetooth signals. The 
rate at which these signals are sent may differ between 
the gateway and the loggers and can result in occasional 
data points not being uploaded. Use the app to read out 
the logger and generate a report with all data points for 
the current deployment. 

 

No data will be uploaded for loggers configured with 
logging intervals faster than 1 minute. If your deployment 
requires logging faster than 1 minute, use the app to read 
out the logger and generate a report with this data. 

 

Burst logging and statistics are not supported by the 
gateway. If you configured the logger with these settings, 
use the app to read out the logger and create a report 
with any burst logging data and statistics. 

If no data is appearing in HOBOlink, do the following: 

 

Check the gateway status in HOBOlink. If the gateway is 
missing, check to make sure it is plugged in, the network 
settings are correct, and it is within range of the loggers. 

 

If you just set up a gateway and configured loggers, it may 
take a few minutes before data begins appearing in 
HOBOlink. Wait a few minutes and then check HOBOlink 
again. 

 

Make sure the logger was configured to upload data to 
HOBOlink via the gateway. If you configured the logger to 
upload data via HOBOconnect, then data will only be 
uploaded to HOBOlink when you read out the logger with 
your phone, tablet, or computer. 

 

Check that you are logged into the same HOBOlink 
account that you used to set up the gateway in the app. 

 

Make sure the loggers have started logging and are not 
waiting for a delayed start or a push button start. 

 

Make sure the logger is not deployed in water. The 
gateway cannot communicate with loggers while they are 
deployed in water. 

Gateway Firmware Updates 

Occasional automatic firmware updates may be necessary for 
the gateway. While the firmware update is taking place, devices 
will not be able to connect to the gateway and no data will be 
uploaded to HOBOlink. The LED on the gateway will blink 
yellow while the firmware update is underway. The update 
should only last a few minutes and then the gateway will 
resume normal operation. 

Unlocking and Resetting the Gateway 

If you need to unlock a gateway, press and hold the button on 
top of the gateway (next to the LED) for 10 seconds. This will 
then allow you to connect to a gateway that was previously 
locked. 

There is a reset button on the back of the gateway next to the 
Ethernet port as shown below. You may be directed to press 
this button by Onset Technical Support if you are experiencing 
problems with the gateway. Refer to the table below for the 
action taken by the gateway when the reset button is pressed 
for varying lengths of time. 

 

When you press 
the reset button 
like this: 

The gateway does this: 

Quick press, less 
than 2 seconds 

Soft reboot. This restarts the operating 
system on the gateway without interrupting 
power. 

Short press,  
2–4 seconds 

Network reset. This clears all connections 
configured by the gateway and requires the 
button to be pressed for 2 to 4 seconds. To 
aid the timing of the network reset, the LED 
quickly flashes yellow to indicate the 
window when the button should be 
released. When the button is released 
during that window, the LED will quickly 
flash green to confirm the network reset 
operation has been triggered. If you release 
the button after 4 seconds, the LED will 
return to the behavior it displayed before 
quickly flashing yellow. If you release the 
button between 4 and 8 seconds, no actions 
(reboot or reset) are performed. 

Long press,  
10–15 seconds 

Hard reboot. This resets the processor and 
restarts the gateway operating system. 

Very long press, 
greater than 30 
seconds 

(NOT 

RECOMMENDED)

 

Factory reset. 

Important:

 

This should not be performed 

unless instructed by Onset Technical 
Support.

 Factory reset will wipe all data 

from the gateway and reinstall the 
operating system. If the gateway loses 
power during the reinstall process, the 
installation might be corrupted and the 
gateway rendered inoperable. If you 
perform a factory reset, do not remove 
power while the LED is solid yellow. In 
addition, you must install an Ethernet 
cable after performing a factory reset, 
even if your gateway is normally 
configured for Wi-Fi. The Ethernet cable 
must remain installed with the gateway 
powered until the reinstallation process 
completes, which may take up to 2 hours. 

 

 

Reset 
button 

Summary of Contents for HOBO MX

Page 1: ...eway and plug it in b Wait for the gateway to boot up and appear in the app While the gateway boots up the LED on the gateway will start as solid yellow and then switch to blinking yellow It will take 4 to 5 minutes before the gateway appears in the app 3 Create a HOBOlink account Go to www hobolink com and create an account if you don t already have one You will receive an email to activate the n...

Page 2: ...ion to place the gateway The gateway requires AC power and an internet connection Select a location for the gateway that is near an AC outlet and an Ethernet port if using Ethernet or within range of your WiFi router if using WiFi The range for successful wireless communication between the gateway and loggers is approximately 30 5 m 100 ft with full line of sight If there are obstacles between the...

Page 3: ...ble to connect to HOBOlink The data will be stored temporarily in the gateway and uploaded the next time it is able to connect to HOBOlink To check the status of the gateway in HOBOlink click Devices and then click MX Devices Each gateway is listed by name and serial number with the status and the last time data was uploaded with the gateway You can also set up an alarm to notify you via text or e...

Page 4: ...t deployed in water The gateway cannot communicate with loggers while they are deployed in water Gateway Firmware Updates Occasional automatic firmware updates may be necessary for the gateway While the firmware update is taking place devices will not be able to connect to the gateway and no data will be uploaded to HOBOlink The LED on the gateway will blink yellow while the firmware update is und...

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