Comtech EF Data VMS v3.12.x Vipersat - Manual (Page 483)

Appendix E - Automatic Switching E-27
MN/22156, rev 12 Entry Channel Mode Switching
Figure E-15 ECM Switch Recovery: < 3 minutes
Unit Reboot 0
Burst
Demod
Switched
Demod
VMS Remote
State
Connected
0
Home State - STDMA
Wait for TX Grant
30
Satellite Delay
250 ms + 30ms E-E
State
Disconnected
180
State Unknown Force
Registration
Set ID
180.28
Switch
Acknowledgment &
PLDM
191.35
Process Switch
Command
189.305
Switch Command
ECM
Switch
Acknowledgment
Force Connected
Registration
Acknowledgment
Failure
189
Revert Switch
Command
189.025
STDMA TX Grant
Burst ACK
190.31
189.6
No Switch wait ACK
191.59
192.18
State
Connected
Switch Command
ECM
Switch
Acknowledgment
Process Switch
Command
191.895
Switch
Acknowledgment &
PLDM
191.9
191.615
ECM Switch Recovery < 3min.
3/7/05