KI 909-0-P: Gehrke-intercom

Features

Neural and serverless extension unit with plastic front panel for rear mounting.

Loudspeaker
Electret microphone
Conversations in duplex for clear hands-free speech transmission
Connection options for 2 potential-free inputs, as control input or call button
Up to 64 I/Os or sensors can be connected with I²C adapter
3 output relays can be used for control functions or as auxiliary contacts, switching capacity 2A / 30V
Echo cancelling for duplex operation
Function monitoring with messages via SNMP with the NK-SNMP add-on
Microphone sensitivity and volume adjustable via integrated WEB browser
Network connection: RJ45, VLAN-capable, cabling min. category 4
Operating voltage: PoE / class 0
SIP-compatible (Session Initiation Protocol)

Table Caption
Network protocols	IP, TCP, UDP, ARP, IGMP, SIP, RTP, HTTP, TFTP available as add-on: SNMP
Network connection	RJ45, VLAN-capable, cabling min. category 4
Operating system	ellan:RTOS Real-time
Frequency range	depending on codec, limited by loudspeaker - G711 / 3.4 kHz - G722 / 7 kHz available as add-on: - PCM32 / 15 kHz - PCM44 / 21 kHz
Energy consumption	max. 4 watts (without additional amplifier)
Operating voltage	PoE / Class 0
Ambient temperature	-20 °C to +50 °C
Amplifier power	A-amplifier: 1.5 W / 8 Ohm; 2.5 W / 4 Ohm B-amplifier (optional): 25 W
Loudspeaker	Full-range loudspeaker, 8 Ohm Sound pressure: 1 W / 1 m - 93 dB Frequency range: 200 Hz - 16 kHz +/-10 dB
Microphone	Directional characteristic: omnidirectional -65 dB +/-3 (0 dB = 1 V/pa 1 kHz) Speaking distance up to 8 m (depending on room and ambient acoustics)
Inputs	2 inputs, potential-free for call button etc.
Outputs	3 relay outputs, switching capacity 2 A / 30 VDC or 125 VAC
Administration	via integrated web server
Communication method	Neuronal via NeuroKom® IP or via SIP
Dimensions	(W x H x D) 90 x 150 x 4 mm (plastic front panel) 90 x 150 x 60 mm (installation dimension)
Weight	approx. 0.2 kg