Chapter 1 Overview
12
Items
Specification
Group Delay: ITU-T G.712 Compliant
Total Distortion: ITU-T G.712 Compliant
Longitudinal balance: <45 dB from 200Hz to 3.4kHz
Gain:
- A/D: -3 +- 0.2dB at 1KHz
- D/A: -3 +- 0.2dB at 1KHz
DC Feed Current: 25mA current limited
Line Current Detection: <10mA
Ringer Frequency: 20Hz (17~40Hz selectable)
Ringer Output Voltage: >40Vrms, 3 REN
Ringing Current Limit: 100mA current limited
Signaling Format: DTMF or pulse dial
Idle State Voltage: Vtip-ring < 48V, and Vring<Vtip < 0V
50-pin female RJ-21 Telco connector
Optional fan-out cable (50-pin connector to 16 or 24 RJ-11
plugs) for wiring or testing
Long haul (up to 3,000m of 24 AWG lines) design
FXO Telephone
Interface channel
(FXO-4 and
FXO-32)
Electronic Spec
Signaling Type: FXO Loop Start
Line Impedance: 600-ohm termination mode
Return Loss: > 20dB from 200Hz to 3.4KHz
Attenuation/Frequency Distortion: ITU-T G.712 Compliant
Group Delay: ITU-T G.712 Compliant
Total Distortion: ITU-T G.712 Compliant
Longitudinal balance: <45 dB from 200Hz to 3.4kHz
Gain:
- A/D: -3 +- 0.2dB at 1kHz
- D/A: -3 +- 0.2dB at 1kHz
Leakage Current < 10uA
On-hook Resistance > 10Mohm
DC Current Limit: 133mA
Caller ID Detection
Signaling Format: DTMF
50-pin female RJ-21 Telco connector
Ring Detection
Ring Detection Frequency: 17~40Hz (configurable)
Summary of Contents for VENUS 2916
Page 2: ......
Page 10: ...Venus 29xx Series SIP User s Manual viii APPENDIX C CODE DETERMINATION FLOW CHART 209...
Page 67: ...Chapter 3 Configuration and Management 51 Figure 3 27 Ethernet Configuration...
Page 81: ...Chapter 3 Configuration and Management 65 3 5 3 6 SNMP Figure 3 37 SNMP Configuration...
Page 121: ...Chapter 3 Configuration and Management 105 Figure 3 55 Static Routing Configuration...
Page 124: ...Chapter 3 Configuration and Management 108 Figure 3 57 DHCP Server Configuration...
Page 170: ...Chapter 3 Configuration and Management 154 Figure 3 106 Spy command...
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