RAD Data comm Vmux-210 Specifications Page 33
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Installation and Operation Manual Chapter 1 Introduction
Vmux-210 Ver. 1.1 Functional Description 1-15
The actual bandwidth utilization is determined by the following factors:
• Header sizes:
Ethernet – 18 bytes
IP – 20 bytes
UDP – 8 bytes
TDMoIP – 4 bytes
VLAN (if exists) – 4 bytes.
• Size of the voice packet:
G.723 – 31 bytes (AAL2 header [3 bytes] + voice header [4 bytes] +
compressed voice payload [24 bytes])
G.729 – 17 bytes (AAL2 header [3 bytes] + voice header [4 bytes] +
compressed voice payload [10 bytes])
G.711 – 47 bytes (AAL2 header [3 bytes] + voice header [4 bytes] +
compressed voice payload [40 bytes]).
• Packet interval:
G.723.1 – 30 m
Sec
G.729 – 10 m
Sec
G.711 – 5 m
Sec.
• Number of timeslots in a bundle
• Silence percentage. Studies show that an average person speaks only 40% of
the time during a telephone conversation. 50% of the time is spent listening
to the other party, while the remaining 10% is spent quietly contemplating.
• Connectivity packets – 64 bytes per minute.
Calculating Approximate Bandwidth Utilization (TDMoIP):
Let us calculate an approximate bandwidth for 30 timeslots in one bundle with
G.723.1 compression, 60 % of silence:
[(50 x 1000/40) + (30 x 31 x 1000/30 x 0.4)] x 8
1000
+ 0.00853 = 109.208 kbps
}{
where:
• 50 – size of Ethernet, IP, UDP, TDMoIP headers
• 1000/40 – packet per seconds (pps) transmission rate, calculated according
to the packetizing interval chosen (40 m
Sec in this example)
• 30 – number of timeslots
• 31 – size of the compressed G.723 packet plus AAL2 header and voice
payload
• 0.4 – 60% of silence
• 8 – conversion from bytes to bits
- Vmux-210 1
- Limited Warranty 4
- Product Disposal 4
- General Safety Instructions 5
- Safety Symbols 5
- Handling Energized Products 6
- Attention 8
- FCC-15 User Information 9
- Declaration of Conformity 10
- Quick Start Guide 11
- 2. Configuring Vmux-210 12
- Figure 1. Quick Setup Menu 13
- Contents 15
- Chapter 1 19
- Introduction 19
- Applications 20
- Ethernet Links 21
- Serial Main Link 21
- Voice Interfaces 21
- TDMoIP Multiplexing 21
- AAL2oMPLS Multiplexing 21
- Bundling 22
- VLAN Table 22
- Internal Router 22
- Statistics Collection 23
- Management 23
- 1.2 Physical Description 24
- 1.3 Functional Description 25
- Signaling 27
- Compression 27
- Voice Activity Detection 28
- Ethernet Frame 28
- VLAN Support (per bundle) 30
- UDP Support 30
- E1/T1/Serial Main Link 31
- Integral Ethernet Switch 31
- DHCP Client Support 32
- Sec in this example) 33
- Chapter 2 41
- Installation and Setup 41
- 2.3 Package Contents 42
- 2.4 Equipment Needed 42
- Figure 2-1. FXS Connector 43
- Connecting to the E1 Link 44
- Connecting to the T1 Link 45
- Connecting to AC Power 46
- Connecting to DC Power 47
- Chapter 3 49
- Operation 49
- 3.2 Indicators 50
- PWR TST ALM 50
- 3.3 Default Settings 50
- Sec) 400 53
- Initiating a Control Session 56
- Logging In 57
- Selecting Parameters 58
- Using Terminal Hot Keys 59
- Sample Help Screen 59
- Security Levels 59
- Working with Telnet 60
- Working with ConfiguRAD 60
- Web Browser Requirements 61
- Logging in via a Web Browser 61
- Choosing Parameters 62
- Menu Map 63
- Change User 64
- Password 64
- 3.5 Turning Off the Unit 67
- Chapter 4 69
- Configuration 69
- Figure 4-2. Management Menu 71
- Setting Host IP Parameters 72
- Configuring the Manager List 72
- Managing Users 73
- Configuring Physical Ports 74
- Figure 4-7. Ethernet Menu 75
- Configuring the E1/T1 Uplink 78
- Table 4-11. T1 Parameters 79
- Configuring E1 Parameters 81
- Time Slot Table 82
- Configuring Analog Ports 83
- Configuring Ring Timeouts 84
- Configuring Ringer Profiles 84
- Configuring Gains 85
- Configuring Bundles 86
- Displaying all Bundles 87
- Adding a Bundle 88
- Editing a Bundle 89
- Figure 4-25 90
- Figure 4-26 90
- Figure 4-30 90
- Figure 4-23 90
- Figure 4-24 90
- Table 4-23. TOS Parameters 91
- VLAN Tagging is set to Yes 92
- Coder/Rate = G.729A/ 93
- Figure 4-27. Fax/Modem Menu 94
- Figure 4-28. VAD Menu 96
- Table 4-28. VAD Parameters 96
- Deleting a Bundle 99
- Configuring the Bridge 102
- Configuring VLAN 103
- Displaying the VLAN Table 104
- Adding and Editing a VLAN 104
- Deleting a VLAN 105
- Configuring the Router 106
- Routing 109
- Configuring RIP Parameters 110
- Figure 4-45. RIP Menu 111
- Table 4-43. RIP Parameters 111
- Figure 4-46. Firewall Menu 112
- Configuring Static Routing 113
- Displaying all Static Routes 114
- Adding a Static Route 114
- Editing a Static Route 115
- Deleting a Static Route 115
- Configuring DHCP Server 116
- Adding a DHCP Server Pool 117
- Editing a DHCP Server Pool 117
- Deleting a DHCP Server Pool 118
- Adding a NAT 119
- Editing a NAT 119
- Notes: 121
- Deleting a NAT 122
- Figure 4-61 123
- Displaying Existing Rules 125
- Adding Firewall Rules 125
- Editing Firewall Rules 125
- Deleting Firewall Rules 126
- 4.3 Additional Tasks 127
- Boot Sequence 128
- Accessing the File System 128
- Figure 4-65 130
- Figure 4-66 131
- Table 4-58 131
- Restoring Default Settings 132
- Setting the Date and Time 133
- Figure 4-70 134
- Resetting Vmux-210 135
- Chapter 5 137
- Configuring Vmux-210 for 137
- 5.2 Configuration Sequence 138
- 5.4 Configuring Vmux-210 140
- Appendix B 142
- Chapter 6 143
- Troubleshooting and 143
- Diagnostics 143
- Displaying Bundle Statistics 144
- Tracking Packets 146
- Figure 6-2 147
- Figure 6-4 147
- Table 6-2. Packets Tracking 147
- 6.2 Detecting Errors 154
- 6.3 Handling Alarms 156
- List of Vmux-210 Alarms 157
- 6.4 General Troubleshooting 158
- 6.5 Testing Vmux-210 159
- Loopback Tests 161
- Pinging Remote Devices 162
- Displaying the Active Tests 163
- 6.7 Technical Support 168
- Appendix A 169
- Connector Pinouts 169
- A.2 CONTROL Connector 170
- Table A-3 171
- Table A-4 171
- A.5 Serial Port 173
- Table A-7 174
- Table A-8 175
- Table A-9 176
- Table A-10 177
- Table A-11 178
- Table A-12 179
- Vmux-210 Ver. 1.1 182
- Vmux-210 Ver. 1.1 I-6 186
- Customer Response Form 187
- Error Report 189
- Innovative Access Solutions 192
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