CDM-570/L & CDM-570/L-IP Satellite Modems
The CDM-570 and the CDM-570L are Comtech EF Data’s entry-level satellite modems that
provide industry leading performance and flexibility in a 1 RU package at a very competitive
price. Designed to address the market for low-cost terminals, the modems are available with
70/140 MHz or L-Band IF and EIA-530/-422, V.35, EIA-232 and G.703 data interfaces. An
optional Internet Protocol (IP) Module with 10/100Base-T Ethernet port is available for IP-
• Enterprise
• Internet Service Providers
• Satellite Service Providers
• Offshore & Maritime
• Mobile Operators
• Data rate range from 2.4 kbps to 9.98 Mbps
• CDM-570 & CDM-570-IP: 50 to 90 or 100 to 180 MHz IF range
CDM-570L & CDM-570L-IP: 950 to 2000 MHz IF range
• Modulation types: BPSK, QPSK, OQPSK, 8PSK, Patented 8-QAM, 16-QAM
• Forward Error Correction (FEC) choices include Turbo Product Code (TPC), Viterbi,
Reed-Solomon, and Trellis Coded Modulation (TCM)
• Data Interfaces: EIA-422/530, V.35, G.703 T1/E1 (option), 10/100Base-T Ethernet
(option)
• Standards based management via SNMP, Web, or Telnet
• Mobile Backhaul
• Communications on-the-Move
• Disaster Recovery & Emergency
Communications
• Enterprise
• Offshore & Maritime
Communications
• Satellite News Gathering
• Support for mesh, star and hybrid network topologies
• G.703 clock extension for IP backhaul (option)
• Fast acquisition demodulator (± 32 kHz acquisition range, 64 kbps, Rate 1/2 QPSK: 150 ms average)
• Automatic Uplink Power Control (AUPC)
• Embedded Distant-end Monitor and Control (EDMAC/EDMAC2)
• Redundancy options
• CDM-570 & CDM-570-IP: FSK communications to CSAT-5060 or KST-2000A
• CDM-570L & CDM-570L-IP: 10 MHz reference for BUC, FSK communications and optional BUC power supply
• CDM-570L & CDM-570L-IP: 10 MHz reference and power supply for LNB
• Optional, integrated IP Module with 10/100Base-T Ethernet port (CDM-570-IP and CDM-570L-IP)
Static IP routing for unicast and multicast
Header and payload compression for maximum efficiency
IGMP v1 and v2
VLAN capability with 802.1Q compliant QoS
Vipersat Management System (VMS) integration
The optional Turbo Product Codec delivers significant performance improvement when compared to Viterbi with concatenated Reed-
Solomon. It offers increased coding gain, lower decoding delay, and significant bandwidth savings compared to traditional FEC.
The CDM-570/L-IP has the ability to monitor and control the distant end of a point-to-point satellite link using EDMAC or EDMAC2. User
data is framed and bits are added to pass control, status, and AUPC information. This is transparent to the user.
The modems support SNMP, web-based and command line interfaces for management. The modems can also be configured and
monitored from the front panel, or through the remote M&C port (for non-IP mode of operation). Ten complete RF configurations may
be stored in the modem. An event log stores alarm and status information in non-volatile RAM, while the link statistics log stores link
performance (Eb/No and AUPC performance) for monitoring and reporting purposes.
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