Chapter 1: Introduction
HOBO U30 Remote Monitoring System User’s Guide
3
HOBO U30 Station components
2. Indicator
LEDs
4. SMA antenna
connector
5. Antenna
12. Battery
connector
14.
External
power
supply
13. Ground
connector
6. Expansion
connector
7. USB port
8. Relay
contacts
11. Smart
Sensor ports
9. Vent
15. Battery
(behind internal
enclosure)
3. Connection LEDs (on board
in internal enclosure)
10. Cable access openings
1. Internal
enclosure
Chapter 1: Introduction
4
HOBO U30 Remote Monitoring System User’s Guide
No. Name
Description
1.
Internal
enclosure
This provides a second weatherproof housing
for the electronics in the HOBO U30 Station.
There is no need to ever open this, and opening
it will void the warranty.
2. Indicator
LEDs There are three Light Emitting Diode (LED)
status indicators.
Logging
indicates whether the system is
currently logging.
Alarm
indicates if an alarm has been
tripped.
Sensor
active
indicates that Smart Sensor
network communications are occurring.
For more information on LEDs, refer to
Diagnostics and troubleshooting
on page 49.
3.
Connection
LEDs
There are two LEDS on the board in the internal
enclosure (to the right of the indicator LEDs)
that blink when the HOBO U30 Station is
contacting a cellular tower and when it is
connected to the HOBOlink.com server. For
more details, see
Diagnostics and
troubleshooting
on page 49.
4.
SMA antenna
connector
This is the connection point for the quad-band
GSM antenna.
5. Antenna
This
is
the quad-band GSM antenna.
6.
Expansion
connector
This connector is where the optional Analog
Sensor Port is factory-installed.
7. USB
port
Plug in a USB cable here to connect directly to
a computer.
8. Relay
contacts The
Relay can be configured with software for
normally open, normally closed, or pulsed output
upon an alarm condition (max 30 V, 1 Amp).