Comtech EF Data CDD-562ALEN Dual IP Satcom Demodulator with 3xDES Encryption

CX-U 1220

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Comtech CDM-QxL

Comtech EF Data CDM-QXL Carrier-in-Carrier Multi-Channel Satellite Modem

SKU
CDD-562ALEN
Comtech EF Data CDD-562ALEN Dual IP Satcom Demodulator with 3xDES Encryption is available to buy in increments of 1

Dual Independent Encrypted Reception of L-Band Satellite channels

CDD-562ALEN Dual IP Demodulator with 3xDES Encryption

The Comtech CDD-562ALEN is an integrated IP demodulator that receives 2 independent L-Band channels and combines the output into a single 10/100Base-T Ethernet port for transmission onto the LAN. The demodulators and the integrated IP Module are housed in a 1RU chassis. The demodulators are designed to operate with Comtech EF Data’s IP-enabled products including modems and Performance Enhancement Proxies. 

Comtech CDD-562AL Rear Interface

Integration

The CDD-562ALEN simplifies hub installations by reducing rack space and costs by providing two independent demodulators in a 1RU chassis. A bank of CDD‑562AL or CDD-564AL demodulator is ideal for a star topology network consisting of a shared outbound carrier with multiple return carriers from the remote sites. 

The 562ALEN also fully supports 3xDES Encryption for Military and Governmental satcom applications.

Header Decompression Option

Header compression reduces the bandwidth required for Voice over Internet Protocol (VoIP) by as much as 60%. Example: A G.729 voice codec, operating at 8 kbps, requires 32 kbps bandwidth once encapsulated into an IP/UDP/RTP frame. With IP/UDP/RTP header compression, the same voice call needs only 10.8 kbps total WAN satellite bandwidth. Typical Web/HTTP traffic can be reduced by 10% via IP/TCP header compression. Each demodulator can be independently configured for header decompression.

Data Decryption Option

The CDD-564/LEN supports 3xDES data decryption to prevent unauthorized access to data over the satellite link, and is configurable on a per demodulator basis.

Payload Decompression Option

Payload compression can reduce the required satellite bandwidth by up to 40%. Each demodulator can be independently configured for payload decompression.

CDD-562ALEN Network Diagram

Network Topologies

The CDD-564ALEN and CDD-562ALEN simplify hub installations by reducing rack space and costs by providing four independent demodulators in a 1RU chassis. A bank of CDD-564ALEN or CDD-562ALEN demodulators is ideal for a star topology network consisting of a shared outbound carrier with multiple return carriers from the remote sites. At remote sites, the CDD-564ALEN or CDD-562ALEN enables mesh connectivity between multiple sites. Operating in mesh topology with direct links between sites eliminates double-hop through the hub, thereby conserving bandwidth and reducing latency.

The CDD-562ALEN Dual Demodulator supports 2nd Generation Turbo Product Coding forward error correction and QPSK, 8-PSK or 16-QAM Modulation options. It offers fast acquisition, 950 to 1950 MHz frequency and support for 16 kbps to 9.98 Mbps data rates.

Other features provided with this new product are: 

• LNB support: 10 MHz reference and LNB power 
• Static IP routing for unicast and multicast 
• Powerful network management via SNMP, Web or Telnet 
• IGMP v1 
• Point-to-Point or Point-to-Multi-Point configuration 
• 10/100BaseT Ethernet data interface (RJ-45) 
• Reflash using FTP via Ethernet port or WAN port 
• FAST feature upgrades from factory or field 
• Front Panel LEDs for Unit Status, Stored Event and the status of each of the two receive channels 
• Interoperability with the CDM-570L with IP Module, CDM-IP 550 and CDM-IP 300L and, similar to other Comtech EF Data IP-enabled modems, the CDD-562L supports optional, advanced IP functionality. 
• Quality of Service (QoS) – the CDD-562ALEN transparently passes through QoS prioritization established at the transmit end by the CDM-570/570L. 
• Header Decompression – Configurable on a per demodulator basis, header decompression reduces the required Voice over Internet Protocol (VoIP) bandwidth by as much as 60%. 
• Payload Decompression – Compressing payload reduces both the data frame size and satellite bandwidth required to transmit across the link. Configurable on a per demodulator basis, payload compression optimizes traffic and reduces bandwidth up to 40%. 
• 3xDES Data Decryption – Prevents unauthorized access to data over the satellite link, and is configurable on a per demodulator basis 

Military Satcom Systems with 3xDES Encryption, Government VSAT Networks, Star & Mesh Topologies for remote site connectivity through a central hub station