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 detetection / filtering / regeneration (H.323v3/IMTCv1) |
Data Network Interface |
Physical interface | WAN: 1 (10Base-T/100Base-TX, Auto-Negotiation) LAN: 4 (10Base-T/100Base-TX, Auto-Negotiation) |
Protocols | TCP/IP, DHCP, HTTP, DNS |
Advanced functions | QoS, Virtual Server, Port Forwarding Special application, DMZ, 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 |
Chassis | Metallic 9.5" Desktop |
Dimensions (L X W X H) | 241 x 135 x 45 mm (9.5 x 4.3 x 1.8 in.) |
Weight | 1.9 kg (4.2 lb) |
LED Indicators | System: 2 PWR, CPU WAN: 1, LNK/ACT LAN: 4, LNK/ACT Voice: 4 In-Use/Ringing |
Interoperability† | Microsoft NetMeeting*; Cisco AS5300, 3600; RADVISION gatekeeper; Cisco gatekeeper |
Input Voltage, AC | 90-260 VAC, auto ranging, 50-60 Hz |
Power Requirement | 12V DC, 2.0A |
Operating Temperature | Operating temperature: 0° ~ 50° C (32° ~ 122° F) Humidity: 90% (non-condensing) |
Certification
| CE, FCC, UL |
|
Technical Specifications |
FXO Ports |
Signaling | Loop start/DTMF |
Number of channels | 2 |
Interface connectors | 2 RJ-11 2-pin modular jacks |
Line impedance | 600 Ω; 900 Ω; Complex line impedance |
Insertion loss | 2 dB nominal |
Frequency response | 300 Hz ~ 3400 Hz +/- 2 dB w.r.t. 1004 Hz |
Return loss | ≥ 18 dB |
Input level adjustment | -6 dB to +6 dB |
Output attenuation | 0 dB to 13 dB |
Longitudinal balance | ≥ 45 dB |
Disconnect detection
| Loop current Customizable tone detection |
FXS Ports |
Signaling | Loop start/DTMF |
Number of channels | 2 |
Interface connectors | 2 RJ-11 2-pin modular jacks |
Line impedance | 600 Ω; 900 Ω; Complex line impedance |
Insertion loss | 2 dB nominal |
Frequency response | 300 Hz ~ 3400 Hz +/- 2 dB w.r.t. 1004 Hz |
Return loss | ≥ 18 dB |
Input level adjustment | -6 dB to +6 dB |
Output attenuation | 0 dB to 13 dB |
Longitudinal balance | ≥ 45 dB |
Loop current | 25 mA nominal |
Ring voltage | 40 Vrms nominal |
Ringing tone | 16.67 Hz, 20 Hz (default), 25 Hz or 50 Hz |
Disconnect detection
| Loop current |