Equitel E451 Instrukcja Instalacji Pobierz pdf (Strona 5)

August 2012 – Ed.1.2

EQUITEL – E451 Technical manual

Page 1

Chapter 1 Description

1.1 General description

EQUITEL E451 is an anti-vandal IP intercom based on VoIP technology. It is especially designed to be used in

IP intercom systems.

It can be powered either through the PoE standard

(1)

, thus simplifying the unit installation and maintenance,

or by using a standard auxiliary power supply.

The most important characteristics of this equipment are:

• Double Ethernet 10/100 Base-T/TX interface, one of them compatible with the PoE technology.

• Single channel bidirectional audio transmission, with audio quality improvements thanks to an

acoustic echo dynamic cancellation.

• Integrated SIP agent, which allows establishing a communication with external devices by means of

P2P-SIP mode or the SIP mode with a PBX.

• Calls supervision, internal operation test, contacts control and management by proprietary protocol

• One user button with one status LE.

• Electret microphone and 8 Ω loudspeaker.

• 1 opto-isolate input and 1 relay output, normally open, for external connections.

• System configuration, audio messages and firmware remote update through a web server.

• Robust construction with operating temperature range from -40 ºC to +74 ºC.

• Auxiliary power supply from 9 to 14V DC.

• Consumption lower than 5 W.

• Flush or surface mounting enclosure.

(1 ) PoE (Power over Ethernet) is a technology that allows network devices to be electrically powered through the same cable used for the Ethernet network connection.

This technology is regulated in the IEEE 802.3af standard.

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