TRENDnet VoIP Gateway manual Appendix A - Technical Specifications, Telephony Interface, System

TVP-221H User’s Guide

Appendix A - Technical Specifications

TVP-221H Technical Specifications

Telephony Interface

Physical interface	Desktop with 4 Analog Ports
	• Loop start 2 x FXO (RJ-11)
	• Loop start 2 x FXS (RJ-11)
Programmable line
interfaces	Complex line impedance
Protocols	H.323v3 (Normal/fast-start mode)
	Supports gateway-gateway direct routing and gateway-gatekeeper
	assisted routing mode
Voice coders support	ITU-T G.711 u-law, G.723.1, and G.729A/B, auto-switching (Frame-
	rate/packet: 1 – 8)
Fax	Supports T.30 G3 fax on PSTN Interface; ITU-T T.30 fax spoofing;
	ITU-T T.38
Simultaneous connections	4 channels voice/fax
Media processing	Gain control; G.168 echo cancellation (16 ms); Voice activity
	detection (VAD); Comfort noise generation (CNG); Call progress
	detection; DTMF detection/filtering/regeneration (H.323v3/IMTCv1)
Data Network Interface
Physical interface	LAN: 1 (10Base-T/100Base-TX, Auto-Negotiation, Auto MDIX)
Protocols	TCP/IP, DHCP, HTTP, DNS
Advanced functions	IP Precedence, PLAR, DDNS
System
Call Control	Built-in three-tier dialing plan and destination hunting
	Supports gatekeeper authorization and accounting
	Supports gatekeeper call routing control and gateway mapping
	Call accounting information on gateway (via RS-232) or gatekeeper
Management	RS-232 (DCE mode)
	Built-in HTTP Web-based remote management
	Telnet remote management
System upgrade	Flash memory and built-in TFTP allowing firmware and feature
	upgrade via network
LED Indicators	System: 2 Power, System
	LAN: 4, Link/ACT, Speed, Collision
	Voice: 2 per channel (Ringing, Active)
Interoperability	Microsoft NetMeeting*; Cisco AS5300, 3600; RADVISION
	gatekeeper; Cisco gatekeeper
Dimensions (L X W X H)	241 x 135 x 45 mm (9.5 x 4.3 x 1.8 inches)
Weight	1.9 kg (4.2 lb)
Input Voltage, AC	90-260 VAC, auto ranging, 50-60 Hz
Power Requirement	12V DC, 2.0A
Operating environment	Operating temperature: 0° ~ 50° C (32° ~ 122° F)
	Humidify: 90% (non-condensing)
Certifications	CE; FCC, UL

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