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System Power: This green LED is normally lit and indicates that the Hub Unit is correctly
powered.
UltraBus Power: This green LED is normally lit while the system is logging data and
indicates that the UltraBus ports are powered. If the UltraBus ports are not powered then
this LED will be off. Do not connect or disconnect any nodes while this LED is illuminated.
3.8.2 Hub Unit Connectors
The connections on the Hub Unit are on both the top and bottom faces of the enclosure. On the
lower face are shown below.
VGA
Port
Serial
Ports
Figure 10: Hub Unit Bottom Connectors
VGA Port: A port is provided for connection to a VGA monitor. This allows for a local view
of the Monitor's status.
Serial Ports: Serial communication ports, RS232 and RS485, are provided to allow future
system expansion.
Ethernet: Four Ethernet ports are provided. Port 1 is for connection to a LAN, port 4 is
dedicated for system configuration and maintenance and allows a laptop to be connected;
the laptop then provides the screen/keyboard interface to the hub. The other two ports are
provided to allow future system expansion.
USB Ports: Two standard USB ports are provided. (NOTE: USB cables must not be greater
than 3m in length and ideally less than 1m.)
SCADA: Volt free contact outputs and opto-isolated inputs are provided to allow the Hub
Unit to be connected to a local SCADA system.
UltraBus: These sockets are for connection to the daisy chained Node communication bus.
Reset Switch: This button is hidden behind a small hole in the case and will need a small
screwdriver or stiff wire to press. The switch is only a few millimetres behind the hole, DO
NOT insert anything more than a few millimetres into this hole.
These sockets are NOT compatible with Ethernet devices. Damage may be
caused to external Ethernet devices if they are plugged in to these sockets.
UltraTEV Monitor
Ethernet
USB
Ports
Ports
Interface
Operating Manual
TM
SCADA
UltraBus
Ports
18
2178L014
Reset
Switch
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