Konftel 55 manual Technical Data, Power supply, Connectivity, Sound, Environment

TECHNICAL DATA

Size	Width 222 mm, depth 206 mm, height 68 mm.
Weight	640 g.
Colour	Liquorice black and silver.
Display	Colour LCD, 240x320 pixels.
Buttons	Touch screen plus on/off and microphone switch-off.
Memory	SD (SDHC) memory card support.
Upgrading	Konftel upgrade utility (for Microsoft® Windows®) upgrades
	Konftel 55 software via the USB connection. It is also possible
	to upgrade via an SD card.

Power supply

AC adapterPhihong PSC12R, 100–240 V AC/12 V DC.

Connectivity

USB	USB 2.0 Mini B. For computer connection.
Mobile phone	Modular 6P6C DEC. For connection to headset jack (optional
	cable required).
Desktop phone	Modular 8P8C. For connection to an IP or TDM desktop phone
	using a Konftel phone adapter (optional). Some desktop
	phones can be connected directly to the phone with a special
	cable.
Headsets	3.5 mm phone plug (TRS/TRRS).

Sound

Technology	OmniSound® HD.
Microphone	Omnidirectional.
Coverage range	Up to 30 m2.
Frequency range	100-24000 Hz.
Volume	90 dB SPL 0.5 m.

Environment

Temperature	5°–40°C.
Relative humidity	20-80% condensation free.

Recommended acoustics

Reverberation period 0.5 S Rt 60.

Background noise < 45 dBA.

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