Digisat CDM-570/L Manuel
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Sayfayı YazdırCDM-570/L & CDM-570/L-IP
Satellite Modems
Overview
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-centric applications.
Features
•
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
•
Symmetric as well as asymmetric operation for
maximum bandwidth efficiency
•
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)
Turbo Product Coding
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.
EDMAC & AUPC Operation
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.
Management
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.
•
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
Modems
Typical Users
•
Enterprise
•
Internet Service
Providers
•
Satellite Service
Providers
•
Offshore & Maritime
•
Mobile Operators
Common Applications
•
Mobile Backhaul
•
Communications on
the-Move
•
Disaster Recovery &
Emergency
Communications
•
Enterprise
•
Offshore & Maritime
Communications
•
Satellite News
Gathering