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REDiSat Network -- Specifications

PARAMETER	SPECIFICATION
Network Configuration
Network Topology	Star
Coverage	Contiguous United States (CONUS)
Satellites / Band	AMC-6 / Ku-Band
Multiple Access Architecture	TDM – Downstream TDMA – Upstream
Hub Location	AMERICOM facilities
Internet Access	Tier 1 BGP-4 (Private IP address assignment)
IP Data Rates (Burstable Information Rate)*
Downstream data rate	1,024 Kbps
Upstream data rates	128 Kbps or 256 Kbps
Data rate selection	Manually selected by end user
Customer Premises Equipment (CPE)
Antenna	1.2 meters; optional 1.8 meters
Block Up Converter (BUC)	2 W Ku-band; optional 4 W Ku-band
Low Noise Block (LNB)	Ku-band
Indoor Unit (IDU)	iDirect Infinity 3100 modem
Mounting	Non-penetrating roof mount; optional pole mount
IFL length	250 feet max
Data Interfaces
LAN	RJ45 10/100 Ethernet, 802.1q VLAN
RS-232	RJ45 for GPS or Console or Antenna pointing system
Number of Data Interfaces	1
Modulation and Coding
Downstream Modulation & FEC	QPSK – 0.793
Upstream Modulation & FEC	QPSK – 0.66 , 0.533
Codec	Turbo Code Product
Supported Protocols
	TCP, UDP,ICMP, IGMP, RIP Ver2, Static Routes, NAT, DHCP, DHCP Helper, Local DNS Caching, cRTP
Quality of Service Options
Voice	VoIP header compression
IP Protocols	Differentiated services
Compressed real time protocol (cRTP)	Header compression for real time protocol applications

Technical note: service requires end user to log in to initiate session and log out to terminate session.