Comtech EF Data SLM-5650A Vipersat - Manual (Page 8)

ii Vipersat SLM-5650A User Guide
STDMA Mode . . . . . . . . . . . . . . . 3-13
Allocation Method . . . . . . . . . . . 3-14
1 – Fixed . . . . . . . . . . . . . . 3-15
2 – Dynamic Slot . . . . . . . . . . 3-15
3 – Dynamic Cycle . . . . . . . . . 3-15
4 – GIR . . . . . . . . . . . . . . . 3-15
5 – Entry Channel . . . . . . . . . . 3-16
Acquisition Mode . . . . . . . . . . . 3-17
Group ID . . . . . . . . . . . . . . . 3-17
Cycles Per Burst Map . . . . . . . . . 3-18
Preamble Time . . . . . . . . . . . . 3-19
Guard Band . . . . . . . . . . . . . . 3-19
Slot Data Length . . . . . . . . . . . 3-19
Burstmap Multicast IP . . . . . . . . . 3-20
Power Hunt . . . . . . . . . . . . . . 3-21
Outbound IP . . . . . . . . . . . . . . 3-21
Automatic Remote Removal . . . . . 3-22
Remote List Table . . . . . . . . . . . 3-23
Add Remote to STDMA Group . . . 3-24
Set Remote Policies—GIR and ECM 3-25
GIR Remotes . . . . . . . . . . . . 3-25
ECM Remotes . . . . . . . . . . . . 3-25
Remove Remote from STDMA Group .
3-25
Enable/Disable Remote . . . . . . . 3-26
STDMA Statistics . . . . . . . . . . . . . 3-26
STDMA Hub Statistics . . . . . . . . . 3-27
STDMA Remote Statistics . . . . . . . 3-28
Vipersat Switching . . . . . . . . . . . . 3-28
Load Switching . . . . . . . . . . . . 3-30
STDMA Slot Capacity . . . . . . . . . 3-31
STDMA Switch Delay . . . . . . . . . 3-31
Percent Allocation . . . . . . . . . . . 3-32
SCPC Step Up Threshold . . . . . . . 3-32
SCPC Step Down Threshold . . . . . 3-32
SCPC Switch Delay . . . . . . . . . . 3-33
SCPC Step Up Excess . . . . . . . . 3-33
Dynamic Power Control Configuration . . 3-34
Dynamic Power Control . . . . . . . . 3-35
Target Eb/No . . . . . . . . . . . . . 3-35
Speed-Up Eb/No . . . . . . . . . . . 3-36
Target IP Address . . . . . . . . . . . 3-36
Maximum Power . . . . . . . . . . . 3-36
Margin . . . . . . . . . . . . . . . . . 3-37
Max Data Rate . . . . . . . . . . . . 3-37
Max Code Rate . . . . . . . . . . . . 3-37
Max Modulation . . . . . . . . . . . . 3-37
Home State . . . . . . . . . . . . . . . . 3-38
Set Current Configuration as Home State .
3-39
Force Modem to Home State . . . . . 3-39
Additional Routing Configuration . . . . . . . 3-40
Dynamic Routing . . . . . . . . . . . . . 3-40
OSPF Timeout Description . . . . . 3-43
Multicast Routing . . . . . . . . . . . . . 3-44
Appendix A
Network Addressing
Introduction . . . . . . . . . . . . . . . . . . A-1
The OSI Reference Model . . . . . . . . . . A-2
Layers 1 – 3 . . . . . . . . . . . . . . . . . A-2
Binary Math . . . . . . . . . . . . . . . . . . A-4
IP Addressing . . . . . . . . . . . . . . . . . A-6
IP Address Classes . . . . . . . . . . . . . A-6
Class A . . . . . . . . . . . . . . . . A-6
Class B . . . . . . . . . . . . . . . . A-6
Class C . . . . . . . . . . . . . . . . A-7
Class D . . . . . . . . . . . . . . . . A-7
Class E . . . . . . . . . . . . . . . . A-8
Private Network IP Addresses . . . . . A-8
Network Address Translation (NAT). . . A-8
Subnets . . . . . . . . . . . . . . . . . . . A-8
Subnet Mask . . . . . . . . . . . . . . . . A-9
Network Segments . . . . . . . . . . . . A-10
Default Gateways . . . . . . . . . . . . . A-11
MAC Addresses. . . . . . . . . . . . . . A-11
Appendix B
Automatic Switching
General . . . . . . . . . . . . . . . . . . . . B-1
Load Switching . . . . . . . . . . . . . . . . B-3
Overview . . . . . . . . . . . . . . . . . . B-3
Bandwidth Allocation and Load Switching by
the Hub STDMA Burst Controller . . . B-4
Load Switching—STDMA Hub . . . . . . . B-7
Hub Switching Parameters . . . . . . . B-7
Hub Switching Process . . . . . . . . . B-8
Load Switching—Remote . . . . . . . . . . B-9
Remote Switching Parameters . . . . . B-9
Determination for Switching . . . . . . B-10
Load Switch Example . . . . . . . . . . . B-10
Reduced Data Flow in Switched Mode
(SCPC) . . . . . . . . . . . . . . . B-12
ToS Switching. . . . . . . . . . . . . . . . . B-13