Digital Voice Systems Net-2000 Spezifikationen Seite 6
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Net-2000™ VCU Users Manual
Version 4.0, December, 2013
4.7 BGAN Vocoder Selection.....................................................................................................21
4.8 GMR-2+ Vocoder Selection..................................................................................................21
4.8.1 Rate “Bit Steal 1 Bit”........................................................................................................22
4.9 Vocoder Options Configuration ............................................................................................22
4.9.1 Voice Activation Detection (VAD) ....................................................................................22
4.9.2 Tone Detector.................................................................................................................... 23
4.9.3 Noise Suppressor............................................................................................................... 23
4.9.4 Echo Canceller (Echo)......................................................................................................23
4.9.5 DTX (BGAN and GMR-2+ Vocoders Only)......................................................................24
4.9.6 Automatic Gain Control (APCO Enhanced Vocoder Only)..............................................24
4.9.7 High Pitch Detection Feature (GMR-2+ Vocoder Only).................................................. 24
4.10 Source Selection ..................................................................................................................25
4.10.1 Voice Source .....................................................................................................................25
4.10.2 Output Gain....................................................................................................................... 26
4.10.3 2-Wire Wait on Ring..........................................................................................................26
4.10.4 DTMF Panel ..................................................................................................................... 26
4.11 Channel Settings..................................................................................................................27
4.11.1 Channel Source Selection..................................................................................................28
4.11.2 Target IP Address ............................................................................................................. 29
4.11.3 Port Number...................................................................................................................... 29
5 FILE MODE....................................................................................................................30
5.1 Vocoder Type Selection .......................................................................................................30
5.2 Channel Selection Port Number...........................................................................................32
5.3 Processing Files with the Net-2000™-VCU Software..........................................................33
5.4 FILE Mode PC-executable Program ....................................................................................33
5.4.1 EXAMPLE (encode):......................................................................................................... 34
5.4.2 EXAMPLE (decode):......................................................................................................... 35
6 INTERFACE PROTOCOL..............................................................................................36
6.1 Serial Port Protocol...............................................................................................................36
6.2 Ethernet Protocol..................................................................................................................36
6.3 Packet Protocol Description .................................................................................................36
6.3.1 Packet Header...................................................................................................................37
6.3.2 Channel Data Packet ........................................................................................................ 38
6.3.3 Voice Data Packet.............................................................................................................49
6.3.4 Reset Packet......................................................................................................................54
6.3.5 Ack Packet.........................................................................................................................56
6.3.6 Nack Packet....................................................................................................................... 58
7 VCU SPECIFICATIONS.................................................................................................61
7.1 Rear Panel Connections.......................................................................................................61
7.2 Audio I/O Connections..........................................................................................................62
7.3 Electrical Input......................................................................................................................63
7.4 Mechanical............................................................................................................................63
7.5 Environmental.......................................................................................................................63
8 UPGRADE PROCEDURE..............................................................................................64
9 SUPPORT......................................................................................................................65
9.1 DVSI Technical Support.......................................................................................................65
(Subject to Change) Page vi
DVSI CONFIDENTIAL PROPRIETARY
- Net-2000-VCU 1
- Voice Codec Unit 1
- DVSI Confidential Proprietary 1
- (Subject to Change) Page v 5
- 1.1 Features 9
- 1.2 Interfaces 9
- 1.4 Control 10
- 1.5 Protocol 10
- 2.1 Set Up 11
- 2.2.3 Channel Communication 12
- 2.2.3.3 RS-422 13
- 2.4 VCU Front Panel 14
- 2.3 Rack Mount Installation 14
- 2.4.1 Power On Switch 15
- Table 4 DHCP Setup Example 16
- 3 Net-2000™ VCU Control 17
- 3.2 Navigation Menu 18
- 3.2.3 Network Settings Page 19
- 3.3 Status Control Bar 20
- 3.5 Version Identification 21
- 3.7.1.1 VOIP mode command 22
- 3.7.1.3 FILE mode command: 23
- 3.7.1.4 Stop Command 23
- 3.7.1.5 Send Tones Command 23
- 3.7.1.6 Stop Command 23
- 4 VOIP Mode 24
- 4.5 AMBE+2™ Vocoder Version 28
- 4.7 BGAN Vocoder Selection 29
- Figure 21 Vocoder Options 30
- 4.9.2 Tone Detector 31
- 4.9.3 Noise Suppressor 31
- 4.10 Source Selection 33
- 4.10.2 Output Gain 34
- 4.10.3 2-Wire Wait on Ring 34
- 4.10.4 DTMF Panel 34
- 4.11 Channel Settings 35
- 4.11.2 Target IP Address 37
- 4.11.3 Port Number 37
- 5 File Mode 38
- 5.4.1 EXAMPLE (encode): 42
- 5.4.2 EXAMPLE (decode): 43
- 6 Interface Protocol 44
- 6.3.1 Packet Header 45
- 6.3.2 Channel Data Packet 46
- Table 12 Channel Data Packet 47
- Table 16 rate[0-5] Parameter 49
- Table 21 Rate Tables Key 52
- Table 24 tone.idx Parameter 54
- 6.3.3 Voice Data Packet 57
- Table 30 Voice Data Packet 58
- 6.3.4 Reset Packet 62
- 6.3.5 Ack Packet 64
- 6.3.6 Nack Packet 66
- Table 54 reason Parameter 68
- 7 VCU Specifications 69
- 7.2 Audio I/O Connections 70
- 7.3 Electrical Input 71
- 7.4 Mechanical 71
- 7.5 Environmental 71
- 8 Upgrade Procedure 72
- 9 Support 73
- 10 History of Revisions 74
- 11 Notes 75
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