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Comtech EF Data
Engineering the HTS
Solution
May 21, 2013
Intelsat’s EpicNG
• Flexible Space Segment Options
– More of an evolution in satellite design
– Recognition of current customer requirements and requests
• Open Platform and Backwards Compatibility
– Same ground equipment as that in use with current Ku- and
C-band satellites
Comtech EF Data Proprietary 2
Typical Advanced VSAT Configuration for
GEO Operation
3 Comtech EF Data Proprietary
Mod
CDD-880
Demod Bank
CDM-840 Remote 1
CTOG-250
Eth
ern
et
Sw
itc
h(s
)
BSC
RNC
CDM-840 Remote 2
CDM-840 Remote N
CMD-800
Note:
Connection
to NOC
NMS via
Internet
Upgrade to O3b Loopback and Cross-
Strapped (Non-Gateway) BBM Operation
4
• ACU provides a handover signal that drives L-Band switches connecting the modem units at
all sites to the appropriate antenna and RF equipment
Comtech EF Data Proprietary
Antenna A
Antenna B
Mod
CDD-880
Demod Bank
ACUCDM-840 Remote 1
CTOG-250
Eth
ern
et
Sw
itc
h(s
)
BSC
RNC
CDM-840 Remote 2
CDM-840 Remote N
CMD-800
ACU
ACU
ACU
Note:
Connection
to NOC
NMS via
Internet
Upgrade to O3b Loopback and Cross-
Strapped (Non-Gateway) MBB Operation
5 Comtech EF Data Proprietary
CDS-110 uses the AH signal from the ACU to drive the online/offline command signals
for bank A and bank B equipment.
Antenna A
Antenna B
Mod B
Mod A
Demod bank A
Demod bank B
ACU
-
CDM - 840 Remote 1
CDM - 840 Remote 2
CDM - 840 Remote N
v v
CTOG - 250
E t h
e r n
e t
S w
i t c
h ( s
)
BSC
RNC
Note : Connection
to NOC NMS via Internet
CDS-100
CDS-100
CDS-100
Advanced VSAT MBB Remote Site
Configuration
6
• The CDS-100 performs two key functions.
– 1) provides a communication path to insure that both units maintain ‘configuration synchronization’;
simplifies network management by allowing configuration changes to be made to the current online
unit and having these changes automatically propagated to the offline unit
– 2) uses the AH signal from the ACU to drive the online/offline command signal to the modem
BUC
LNB
BUC
LNB
Antenna Controller
CDS-100
Diversity
Switcdh
CDM-840 Remote Router
CDM-840 Remote Router
User
Ethernet
Interface
Comtech EF Data Proprietary
Contact Us:
2114 West 7th Street
Tempe, AZ 85281
USA
Tel 1.480.333.2200
FAX 1.480.333.2540
www.comtechefdata.com
