WS 908-4-VIR: Gehrke-intercom

NeuroKom^® IP technology
Serverless sub-station
Integrated video camera
4 labellable speed dialling buttons
Built-in or wall mounting
SIP-compatible

Features

Neural and serverless video sub-station, wall-mounted, can be installed either flush-mounted or surface-mounted with corresponding housing. A total of 4 destination/selection buttons, freely definable. Video camera permanently integrated.

Impact-resistant front panel
Disinfectant-resistant foil surface in ALU design
Video camera 2 MP/HD
- Progressive scan CMOS sensor
- 30 frames per second at full resolution
- Multistream capable
- Full room coverage thanks to 110° horizontal viewing angle
- H.264 and Motion JPEG compression
- ONVIF API compliant with version 1.02, 2.00 and Profile S
- Adaptive IR technology
- Wide dynamic range with double exposure
- Adjustable privacy zone
4 destination/selection buttons freely definable
Electret microphone
Loudspeaker
Echo cancellation for duplex operation
Function monitoring with messages via SNMP with the NK-SNMP add-on
Microphone sensitivity and volume adjustable via integrated WEB browser
Integrated USB interface for additional equipment
Up to 64 I/Os or sensors can be connected via I²C adapter
Connection options for 2 potential-free inputs
3 output relays can be used for control functions or as auxiliary contacts, switching capacity 2A / 30V
Network connection: RJ 45, VLAN-capable, cabling min. category 4
Operating voltage: PoE / class 0
SIP-compatible (Session Initiation Protocol)

Attributes

Table Caption
Front	Foil surface in aluminium design (Autotype F150), resistant to disinfectants
Network protocols	IP, TCP, UDP, ARP, IGMP, SIP, RTP, HTTP, TFTP available as add-on: SNMP
Operating system	ellan:RTOS
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. 8 W (incl. camera; without additional amplifier)
Operating voltage	PoE / Class 0
Ambient temperature	-20 °C to +50 °C
Loudspeaker	Full-range loudspeaker, 8 Ohm Sound pressure: 1 W / 1 m - 94 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)
Amplifier power	A-amplifier: 1.5 W / 8 Ohm; 2.5 W / 4 Ohm B-amplifier (optional): 25 W
Dimensions	(H x W x D) 248 x 122 x 7 mm (front panel)
Protection class	IP 54
Video camera
Bildsensor	1/2.8" CMOS (Progressive Scan)
Active pixels	1.920 (H) x 1,080 (V)
Image area	5.6 mm (H) x 3.1 mm (V)
Dynamic range	100 dB
Objective	2.8 mm, F1.2, IR-corrected
Minimum lighting	- with IR: 0.01 lux in colour mode; 0 lux (F/1.2) in black and white mode - without IR: 0.01 lux in colour mode; 0.002 lux (F/1.2) in black and white mode
Private zones	up to 64
Viewing angle	(5:4) 74°; (16:9) 110°
Image compression	H.264 (MPEG-4 Part 10/AVC), Motion JPEG
Frame rate	30