TVP-224HR User’s Guide
112
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
environment
Operating temperature: 0° ~ 50° C (32° ~ 122° F)
Humidity: 90% (non-condensing)
Certification CE, FCC, UL
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