| STAR T3R series On-Line Double-Conversion Single phase UPS
(230V) ST3R10 1kVA
ST3R20 2kVA
ST3R30 3kVA
T3R Rackmount
With ever greater demands being made on valuable floor space, many IT managers
are moving towards computer rack solutions rather than
conventional floor standing options offered in the past. The same philosophy
has affected the UPS industry with many UPS now being located
with the computer inside the rack cabinet. On-Line UPS have historically been
handicapped in this particular market sector, esentially for two
reasons, size and price. Most IT managers have dealt with this problem by moving
to Line-Interactive or Off-Line topologies. As these
technologies have fewer fail safe features and for the most part work only when
a problem occurs. With the introduction of the TR3 series these
past limitations are no longer valid.
The T3R is a physically small On-Line double conversion UPS but retains all
the features normally associated with On-line technology, but what is
On-Line double conversion technology and why does it matter? Simply put, "double-conversion"
is where teh mains supply us rectified to a clean DC voltage, at all times your
critical load runs from this clean no break supply. Line-Interactive and Off-Line
UPS are single conversion, put in its crudest form, your computer runs on semi-regulated
mains and will always suffer a small break in supply whist the UPS moves from
mains mode to battery mode in a mains fail situation. The T3R offers a competitive
price, even against the more basic technologies, but unlike these technologies
you will get as standard an LCD screen, RS232, USB port options, battery extension
options, battery monitoring, no-break supply, static switch, wide voltage input
without using batteries, optional software, comms slot for SNMP, Relays or Optocoupler.
Simple Network Management Protocol
The T3R SNAMP external agent can be located pu to 5 metres away from the UPS.
Initial configuration is carried out by serial comms using any suitable terminal
application (e.g. Hyperterminal for Windows ). The embedded HTTP server presents
an HTML interface to the network, which can be accessed from any web browser.
All system parameters can be configured from here, including schduled shutdown.
A sophisticated Java applet provides full monitoring in real time, along with
comprehensive event and history logs.
UPS Management Software
The UPS management software is installed on a server or workstation connected
to each UPS via the serial port. Power failure, power resored, battery failure
or eight events will be detected and the user informed. A shutdown will be initiated
when the batteries are exhaused or a technical problem occurs with the UPS.
The UPS management software disconnects network connections. Logs out users
and closes open applications ( subject to app/os support ) before shutting down
the operating system itself.
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