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News

PoE standby time improvements with UPS

Norbain : 14 September, 2015  (New Product)
The Elmdene PoE UPS from Norbain gives security installers more flexibility in balancing power and capacity requirements
PoE standby time improvements with UPS

Norbain is pleased to be able to offer customers the new POE-PSM-4 from Elmdene. The device allows the installer to reduce a  PoE switch’s UPS power/capacity requirement or increase the UPS standby time on a mains failure occurring.

When providing standby power for a PoE switch using a 240VAC UPS, it is often difficult to achieve the required battery back-up times due to the UPS having to power all connected devices when a mains failure occurs. Elmdene’s new POE-PSM-4 is a unique device designed to overcome this issue.  When mains fails, it automatically disconnects pre-selected (non-critical) PoE channels, allowing either an extended battery backup period for the critical channels or a reduction in the required UPS battery capacity.

Peter Long, Elmdene’s Technical Manager, comments: “POE-PSM-4 devices are ideal for large camera systems where not all cameras may be deemed ‘critical’ within an installation. If there is a requirement to reach a sufficient backup period on a mains failure occurring it would often need a large capacity UPS to back up all channels on a PoE switch for a reasonable period. Using POE-PSM-4 devices will automatically disconnect ‘non-critical’ pre-set channels on a mains failure, triggered either by a volt-free contact or a low voltage signal. Once power is restored all channels are automatically re-instated again without any user intervention”.

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