TRENDnet TVP-224HR System Integrator's User Manual page 44

Chassis
Dimensions (L X W
X H)
Weight
LED Indicators
Interoperability†
Input Voltage, AC
Power Requirement
Operating
environment
Certification
FXO Ports
Signaling
Number of channels
Interface connectors
Line impedance
Insertion loss
Frequency response
Return loss
Input level adjustment
Output attenuation
Longitudinal balance
Disconnect detection
FXS Ports
Signaling
Number of channels
Interface connectors
Line impedance
Insertion loss
Frequency response
Return loss
Input level adjustment
Output attenuation
Longitudinal balance
Loop current
Ring voltage
Ringing tone
Disconnect detection
upgrade via network
Metallic 9.5" Desktop
241 x 135 x 45 mm (9.5 x 4.3 x 1.8 in.)
1.9 kg (4.2 lb)
System: 2 PWR, CPU
WAN: 1, LNK/ACT
LAN: 4, LNK/ACT
Voice: 4 In-Use/Ringing
Microsoft NetMeeting*; Cisco AS5300, 3600; RADVISION
gatekeeper; Cisco gatekeeper
90-260 VAC, auto ranging, 50-60 Hz
12V DC, 2.0A
Operating temperature: 0° ~ 50° C (32° ~ 122° F)
Humidity: 90% (non-condensing)
CE, FCC, UL
Loop start/DTMF
2
2 RJ-11 2-pin modular jacks
600 Ω; 900 Ω; Complex line impedance
2 dB nominal
300 Hz ~ 3400 Hz +/- 2 dB w.r.t. 1004 Hz
≥ 18 dB
-6 dB to +6 dB
0 dB to 13 dB
≥ 45 dB
Loop current
Customizable tone detection
Loop start/DTMF
2
2 RJ-11 2-pin modular jacks
600 Ω; 900 Ω; Complex line impedance
2 dB nominal
300 Hz ~ 3400 Hz +/- 2 dB w.r.t. 1004 Hz
≥ 18 dB
-6 dB to +6 dB
0 dB to 13 dB
≥ 45 dB
25 mA nominal
40 Vrms nominal
16.67 Hz, 20 Hz (default), 25 Hz or 50 Hz
Loop current