DS 935-SH: Gehrke-intercom

Features

Neural and serverless desktop microphone unit with gooseneck microphone.

Impact-resistant housing
Disinfectant-resistant foil surface
Display (4 lines, 16 digits)
10 numeric keys
7 function keys
Gooseneck microphone (300 mm)
Loudspeaker (2 watts)
Echo cancellation for duplex operation
Function monitoring with messages via SNMP
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
2 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)

Table Caption
Front panel	Foil surface in aluminium design (Autotype F150), resistant to disinfectants
Network protocols	IP, TCP, UDP, ARP, IGMP, SIP, RTP, SNMP, HTTP, TFTP
Operating system	ellan:RTOS
Frequency range	depending on codec, limited by loudspeaker - G711 / 3.4 kHz - G722 / 7 kHz - PCM32 / 15 kHZ - PCM44 / 21 kHz
Energy consumption	max. 4 W (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 - 93 dB Frequency range: 200 Hz - 16 kHz +/-10 dB
Microphone	Polar pattern: Cardioid (at 1 kHz) Frequency range: 75 Hz to 18 kHz (-10 dB) Sensitivity: 8 mV/Pa (-42 dBV/Pa +/- 3 dB) at 5 V/2 kOhm Close-talking distance: approx. 15 - 20 cm (depending on room and ambient acoustics)
Amplifier power	A-amplifier: 1.1 W B-amplifier (optional): 25 W
Dimensions	(H x W x D) 30-65 x 122 x 248 mm (without gooseneck)
Protection class	IP 54