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The HX50 satellite modem with TCP acceleration is the ideal platform to enable IP connectivity over satellite for a plethora of high-bandwidth solutions.
The HX50 is a high-performance satellite router designed to support high-bandwidth links with Quality of Service (QoS) features such as Min/Max CIR together with dynamic allocation of bandwidth. With integrated IP features including NAT/PAT, DHCP, RIPV1, RIPV2, and DNS server/relay functionality, together with TCP acceleration and a high-performance satellite modem, the HX50 is the ideal platform to enable high-performance IP connectivity for a variety of applications including cellular backhaul, MPLS extension services, virtual leased line services, and other high-bandwidth solutions.
SCPC/MCPC replacement links � GSM backhaul � MPLS extension services � Embassy and government networks � Private leased line services
HUGHES, the world leader in satellite networking, has introduced the HX System, designed and optimized for small networks where the provision of high-quality and high-bandwidth links are the most important criteria. Building upon the heritage and capabilities of the more than 700,000 broadband satellite terminals shipped by Hughes, the HX System incorporates many of the advanced features pioneered by Hughes including integrated TCP acceleration and advanced IP networking features.
HughesNet antenna for a remote HX terminal.
The HX System provides star TDM/TDMA connectivity consisting of a central gateway connecting to multiple HX remote terminals. With a DVB-S/DVB-S2 outbound carrier supporting rates up to 121 Mbps and multiple inbound carriers supporting rates up to 3.2 Mbps, the HX System provides the high throughput needed for high QoS networking.
Efficiency and flexibility in utilizing satellite bandwidth are the core of its design. Each link can be configured to provide a QoS tailored for the individual remote terminal. Each remote link can be independently configured with Minimum CIRs and Maximum Rates, thereby allowing a service provider to develop a service tailored to its customers� specific requirements. In addition, the HX System bandwidth allocation scheme uses an Aloha channel for initial traffic requests, which means that remotes can be configured to deallocate bandwidth based on inactivity. This frees up unused bandwidth and allows an operator to make more efficient use of space segment resources.
Because the HX System is DVB-S conformant, the HX System can easily be multiplexed to an existing DVB outbound carrier such as the Hughes HN system, DTH system, or other DVB-based broadband systems.
� Quality of Service features include: � On-demand constant bit rate (CBR) services � Minimum CIR with fixed steps to maximum rate (Rate limiting) � Minimum CIR with best effort to maximum rate (Rate limiting) � Best effort services - weighted fair queueing � Class-based weighted prioritization � Multicast data delivery � Four levels of IP traffic prioritization � Bandwidth allocation � Supports both preassigned (static) traffic assignment and dynamic traffic assignment � Idle remotes can be configured to release all network resources � Acts as a local router providing: � Static and dynamic addressing � DHCP server or relay � DNS Caching � Full RIPV2 routing support � Multicasts to the LAN by using IGMP � NAT/PAT � VLAN tagging � Firewall support through integrated access control lists � Supports unicast and multicast IP traffic � Software and configuration updates via download from the HX Gateway � Implements dynamic, self-tuning Performance Enhancement Proxy (PEP) software to accelerate the throughput performance by optimizing the TCP transmission over the satellite, delivering superior user experience and link efficiency � Bidirectional data compression � Configuration, status monitoring, and commissioning via the gateway � Embedded Web interface for local status and troubleshooting � Remote terminal management via the Hughes Unified Element Manager and SNMP agent � User-friendly LED display indicating terminal operational status High Availability Features � Closed loop control between hub and remote � Dynamic outbound coding and modulation changes based on received signal � Dynamic inbound coding changes based on received signal � Dynamic remote uplink power control
HX hub possesss advanced features including high speed return links, extensive QoS support, plus DVB-S2 with adaptive coding and modulation, which significantly improves space segment efficiency.
Some of the features include: � 256k, 512k and 1 Msps return links are supported, with multiple return link demodulators. � Enhanced Quality of Service (QoS) � Guaranteed bit rate services � Constant Bit Rate (CBR) Service, Adaptive return links . Constant Bit Rate Service, Minimum and Maximum Committed Information Rate (CIR) Service The HX hub incorporates the latest DVB-S2 technology. Two redundant Radyne DM240-XR DVB S-2 modulators are shown in the picture - see data sheet) with adaptive coding modulation (ACM), along with automatic return link switching and many other features. In the middle are five HP ProLiant PC servers. At the bottom of the rack are two Cisco 3750 switches. Cisco swithces are used to provide the QoS features.
There will be very competitive dedicated Committed Information (CIR) and Constant Bit Rate (CBR) services, similar to Single Channel per Carrier (SCPC), along with shared packages. The customer terminal Hughes HX CPE VSAT modem comes in standard format and rack mount and features two LAN connections. There are two models HX50 and HX100 with the HX100 offering up to 1 Msps return link transmission
are designed to enhance the customer�s broadband experience and reflect the company�s status as the leading provider of broadband satellite solutions and services to all market sectors: enterprise, government, small business and consumer. Participants were informed that the company has successfully completed the process of rebranding its solutions and services, now marketed worldwide under the HughesNet brand.
The HX Satellite system
The latest Hughes satellite hub solution, the HX system, is powerful and compact. The HX system was designed and optimized for entry-level networks, but without compromising on the provision of high-quality, high-throughput services. The HX broadband satellite system is the first in the market to combine an economical gateway earth station with high-performance remote terminals.
The advanced HN and HX broadband satellite systems are fully compliant with IPoS and DVB-S2 standards, enabling the entire breadth of HughesNet services and solutions. Hughes is the first company to implement DVB-S2 with ACM (Adaptive Coding Modulation), the most efficient implementation available, which yields up to 50 percent greater throughput over the original standard. Both HN and HX platforms are designed to support a wide range of bandwidth-intensive services, including VoIP, high-speed Internet access, interactive distance learning, video conferencing, and multimedia streaming.
| Technical Specifications |  |
|---|---|
| Satellite & Antenna Specifications: | |
| Outbound transm. format: | DVB-S or DVB-S2 |
| DVB-S2 | supports adaptive coding and modulation |
| Information Rate (Receive): | Up to 121 Mbps |
| Information Rate (Transmit): | Up to 3.2 Mbps |
| Symbol Rate (Receive): | 1 to 45 Msps (in 1 Msps steps) |
| Symbol Rate (Transmit): | 128, 256, 512, 1024 ksps |
| Encoding DVB-S (Receive): | Convolutional with concat. Reed Solomon; Viterbi 7/8, 5/6, 3/4, 2/3, 1/2 |
| Encoding DVB-S2 (Receive): | BCH with LDPC 3/5, 2/3, 3/4, 5/6, 8/9, or 9/10 (8PSK) 1/2, 3/5, 2/3, 4/5, 5/6, 8/9, 9/10 (QPSK) |
| Transmit encoding: | Rate 1/2, 2/3, 4/5 TurboCode, Rate 1/2 Convolutional |
| Frequency Range: | C-, extended C-, Ku-, and Ka-band |
| Modulation (Receive): | QPSK or 8PSK |
| Modulation (Transmit): | OQPSK |
| Bit Error Rate (Receive): | 10-10 or better |
| Bit Error Rate (Transmit): | 10-7 or better |
| Radio: | 1 and 2 watt Ku-band 2 watt C-band 1, 2, and 31/2 watt Ka-band |
| Physical Interfaces: | |
| Ethernet: | Two 10/100BaseT Ethernet LAN RJ45 ports |
| Serial: | One Serial port (RS-422 or RS-232) |
| Mechanical & Environmental: | |
| Weight (IDU): | 2.18 kg (4.8 lbs) |
| Dimensions: | 11.5" W x 1.8" H x 11" D (29.21 cm W x 4.7 cm H x 27.94 cm D) |
| Operating Temperature (IDU): | +32º F (0º C) to +104º F (+40º C) |
| Operating Temperature (ODU): | -22º F (-30º C) to +131º F (+55º C) |
| Input power: | 90 to 264 VAC; 50 to 60 Hz |
| DC power supply (optional): | 12 to 24 VDC |
Click onthe thumbnail to download
HX50 Hughesnet
Satellite
Terminal
Data Sheet
(PDF, 97K)
Click onthe thumbnail to download
HX Satellite
Internet System
Technical
Specification
(PDF, 132K)
