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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
H.323v3 (Normal/fast-start mode)
Protocols
Supports gateway-gateway direct routing and gateway-gatekeeper
assisted routing mode
ITU-T G.711 u-law, G.723.1, and G.729A/B, auto-switching (Frame-
rate/packet: 1 – 8)
Voice coders support
Supports T.30 G3 fax on PSTN Interface; ITU-T T.30 fax spoofing;
ITU-T T.38
Fax
4 channels voice/fax
Simultaneous connections
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)
Media processing
Data Network Interface
LAN: 1 (10Base-T/100Base-TX, Auto-Negotiation, Auto MDIX)
Physical interface
TCP/IP, DHCP, HTTP, DNS
Protocols
IP Precedence, PLAR, DDNS
Advanced functions
System
Built-in three-tier dialing plan and destination hunting
Call Control
Supports gatekeeper authorization and accounting
Supports gatekeeper call routing control and gateway mapping
Call accounting information on gateway (via RS-232) or gatekeeper
RS-232 (DCE mode)
Built-in HTTP Web-based remote management
Telnet remote management
Management
Flash memory and built-in TFTP allowing firmware and feature
upgrade via network
System upgrade
System: 2 Power, System
LAN: 4, Link/ACT, Speed, Collision
LED Indicators
Voice: 2 per channel (Ringing, Active)
Microsoft NetMeeting*; Cisco AS5300, 3600; RADVISION
gatekeeper; Cisco gatekeeper
Interoperability
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)
90-260 VAC, auto ranging, 50-60 Hz
Input Voltage, AC
12V DC, 2.0A
Power Requirement
Operating temperature: 0° ~ 50° C (32° ~ 122° F)
Humidify: 90% (non-condensing)
Operating environment
Certifications
CE; FCC, UL
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