33-4
Cisco Network Modules Hardware Installation Guide
OL-2485-20
Chapter 33 Connecting Cisco IP VSAT Satellite WAN Network Modules
Information About the NM-1VSAT-GILAT Network Module
Figure 33-2
Satellite Communications Network Using the NM-1VSAT-GILAT Network Module
At a high level, the many components of an enterprise satellite communications network can be divided
into three categories:
•
Satellite
•
Hub
•
VSATs
1
Corporate headquarters/campus
4
Dish antenna (ODU
1
) at VSAT
2
1.
ODU = outdoor unit
2.
VSAT = very small aperture terminal
2
Dish antenna at hub
5
NM-1VSAT-GILAT network module at VSAT
3
Satellite in space
6
Local network at VSAT; for example, a branch office
network connected to an Ethernet port on the router
117125
Intranet or
Internet
Central hub
Land
Space
IDU
Land
Land
Space
IDU
Land
(HQ, Internet, hub)
(satellite)
(VSATs)
2
1
3
4
6
5
4
4
ODU
ODU
NM-1VSAT
GILAT
EN
RF-IN
RF-OUT
ODU PWR
EXT
DC
RE
LOCK SYNC
ON
LINE
TX
W0
AUX
CONSOLE
ETHERNET 0 ACT
LINK
ACT
ETHERNET 1
LINK
6
5
NM-1VSAT
GILAT
EN
RF-IN
RF-OUT
ODU PWR
EXT
DC
RE
LOCK SYNC
ON
LINE
TX
W0
AUX
CONSOLE
ETHERNET 0 ACT
LINK
ACT
ETHERNET 1
LINK
6
5
NM-1VSAT
GILAT
EN
RF-IN
RF-OUT
ODU PWR
EXT
DC
RE
LOCK SYNC
ON
LINE
TX
W0
AUX
CONSOLE
ETHERNET 0 ACT
LINK
ACT
ETHERNET 1
LINK