User guide

232N TELEKOMUNIKACE a.s., www.2n.cz
®
3. Technical Parameters
Supported Protocols
IPv4, ARP, TCP, UDP, DHCPLAN interface:
HTTP/HTTPSDevice configuration:
SIP 2.0 (UDP)Call signalling:
RTP (G.711)Audio data transmission:
RTSPAudio streaming:
SNTPTime synchronisation:
TFTPAuto provisioning:
SMTPE-mail sending:
Power Supply
9 to 36 V ± 10 % / 2 A DC or PoE, typically 12 V DCExternal power supply:
802.3af (Class 0 – up to 12.95 W)PoE:
2 W at relaxPower consumption:
LAN Interface
2 (LAN1 and LAN2)LAN interface count:
802.3af on LAN1 onlyPoE:
Parameters: 10/100BASE-TX with Auto-MDIX, RJ-45
Cat-5e or higherRecommended cabling:
Audio Interface
Standard electret microphone, Max. Vpp = 100 mV, Rin =Microphone input:
4,4 kΩ, Vbias = 1,5 V
Max. 755 mV RMS, Rin = 47 kΩLine input:
10 W amplifier of class D, MONO output, THD < 1%,Amplifier output:
minimum loudspeaker impedance: 4 Ω
Max. 755 mV RMS, Rout = 600 ΩLine output:
AEC, full duplexAcoustic echo cancelling: