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Emerson Powers ACT VoIP System |
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Written by Adam Gosling
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Thursday, 26 October 2006 |
The ACT Government IT service provider, InTACT, has taken
steps to protect its deployment of 11,000 IP phone services with Liebert-branded uninterruptible power systems worth up to A$1 million.
Emerson will supply 270 Liebert UPSs as part of a major ACT
Government IP telephony rollout done in conjunction with a network improvement
project.
InTACT is managing the deployment which ranges across
multiple departments, institutions and healthcare centres, including the ACT
Legislative Assembly, ACT Emergency Services and Canberra Hospital.
"Power protection is one of the major considerations
when replacing older analogue PSTN phone systems with IP telephony," said
Mick Hutterer, Data Centre Manager for InTACT.
"In the past, analogue telephone handsets connected to
the PSTN network drew their power from the phone grid. That's no longer the
case with IP handsets, which draw their power from the data network.
"If the power goes down, the handsets go down along
with the network. It's therefore critical that both network and handsets have
sufficient power protection to maintain communications in the event of an
emergency or power loss."
The IP telephony component of the network upgrade project
will see multiple switches distributed across the network, with up to 48 IP
handsets connected to each switch. A single UPS will be used to protect each
switch, providing at least 30 minutes' uptime per phone in the event of a power
failure.
The majority of UPS will be Liebert's UPStation GXT2 units,
ranging from 1.5KVA to 3KVA (a single 1.5KVA UPS has enough power to protect
two switches). A number of larger Liebert UPSs, including GXT2s up to 10KVA,
and 'Nfinity' UPSs up to 20KVA will be used in other parts of the network to
protect the core communication switches and servers.
All UPSs will be hot swappable, and feature SNMP management
consoles that allow for remote management across the network from a central
site.
"As more companies and organisations deploy IP
telephony, their power protection requirements become more pronounced,"
said Peter Spiteri, Marketing Manager, Emerson Network Power Australia.
"This is particularly true in environments that are
themselves mission-critical, such as hospitals and a good number of essential
service organisations that make up the ACT Government project," he said.
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