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Net-2000™ VCU Users Manual
Version 4.0, December, 2013
Table of Contents
1 NET-2000™ VOICE CODEC UNIT INTRODUCTION .....................................................1
1.1 Features..................................................................................................................................1
1.2 Interfaces................................................................................................................................1
1.3 Net-2000™-VCU modes of operation ....................................................................................2
1.4 Control....................................................................................................................................2
1.5 Protocol...................................................................................................................................2
2 NET-2000™ VCU INSTALLATION..................................................................................3
2.1 Set Up.....................................................................................................................................3
2.2 Net-2000™-VCU Connections...............................................................................................3
2.2.1 Connecting AC Power.........................................................................................................3
2.2.2 Voice Audio I/O Connections.............................................................................................. 4
2.2.3 Channel Communication.....................................................................................................4
2.3 Rack Mount Installation..........................................................................................................6
2.4 VCU Front Panel ....................................................................................................................6
2.4.1 Power On Switch.................................................................................................................7
2.5 Initial Set-up – (RS-232 Serial Connection) ...........................................................................7
3 NET-2000™ VCU CONTROL ..........................................................................................9
3.1 Net-2000™-VCU Control Via Web Interface..........................................................................9
3.2 Navigation Menu...................................................................................................................10
3.2.1 VOIP Mode .......................................................................................................................10
3.2.2 File Mode.......................................................................................................................... 10
3.2.3 Network Settings Page ......................................................................................................11
3.3 Status Control Bar................................................................................................................12
3.3.1 Net-2000™- is Idle............................................................................................................ 12
3.3.2 Net-2000™- is Active........................................................................................................ 12
3.3.3 Start and Stop Buttons....................................................................................................... 13
3.4 Reset to Defaults Button.......................................................................................................13
3.5 Version Identification............................................................................................................13
3.6 Hyperlink to DVSI Web Page ...............................................................................................13
3.7 VCU Control via Serial Interface ..........................................................................................13
4 VOIP MODE...................................................................................................................16
4.1 Net-2000™-VCU VOIP Mode Settings.................................................................................16
4.2 Vocoder Selection (Version Dependant)..............................................................................17
4.2.1 Forward Error Correction (FEC).....................................................................................17
4.3 APCO Vocoder Version – APCO Standard and APCO Enhanced......................................17
4.3.1 APCO Enhanced Vocoder Bit Stealing............................................................................. 18
4.3.2 APCO Enhanced Vocoder Additional Features................................................................18
4.4 AMBE® / AMBE+™ Vocoders Version................................................................................19
4.5 AMBE+2™ Vocoder Version................................................................................................20
4.6 Vocoder Selection (GMR-1 or GMR-2 Version)...................................................................20
4.6.1 GMR-1 Vocoder Selection.................................................................................................20
4.6.2 GMR-2 Vocoder Selection.................................................................................................21
(Subject to Change) Page v
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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