Optimizing Satellite Communications
CDM-570 & CDM-570L Satellite Modems
SYSTEM SPECIFICATIONS
Frequency Range CDM-570: 50 to 90 or 100 to 180 MHz,
CDM-570L: 950 to 1950 MHz,
100 Hz frequency resolution
Input/Output Impedance
CDM-570: 50 or 75Ω front panel selectable
CDM-570L: Transmit and Receive 50Ω,
female Type N connector
Data Interfaces EIA-422/-530, V.35, Sync EIA-232,
G.703 T1, G.703 E1 balanced or
unbalanced
Data Rate Range
(1 bps programmable, and fully independent Tx and Rx rates)
Rate Range
1/2 BPSK 2.4 kbps to 1.5 Mbps
1/2 QPSK/OQPSK 4.8 kbps to 3.0 Mbps
3/4 QPSK/OQPSK 7.2 kbps to 4.5 Mbps
7/8 QPSK/OQPSK 8.4 kbps to 5.0 Mbps
0.95 QPSK/OQPSK TPC 9.1 kbps to 5.0 Mbps
2/3 8-PSK TCM 8.7 kbps to 4.4 Mbps
3/4 8-PSK/8-QAM TPC 10.8 kbps to 5 Mbps
7/8 8-PSK/8-QAM TPC 13.6 kbps to 5 Mbps
7/8 16-QAM TPC 16.8 kbps to 5 Mbps
Uncoded 4.8 kbps to 5 Mbps
(See the CDM-570 or CDM-570L manuals for details)
Scrambling Mode dependent - ITU V.35, or
proprietary externally synchronized
FEC Options
Viterbi Rate 1/2 BPSK, QPSK/OQPSK
Rate 3/4 and 7/8 QPSK/OQPSK
and 16-QAM w/RS
Pragmatic TCM 8-PSK 2/3
(Closed Network – Not IESS-310)
Turbo Product Coding Rate 21/44 BPSK, 5/16 BPSK,
Rate 1/2 QPSK/OQPSK
Rate 3/4 and Rate 7/8 QPSK/OQPSK,
8-PSK and 16-QAM
Rate 0.95 QPSK/OQPSK and 8-PSK
Reed-Solomon Proprietary 220/200 and 200/180
modes available
Uncoded BPSK, QPSK/OQPSK
M&C Interface EIA-232, EIA-485 (2- or 4-wire),
Ethernet 10/100 Base-T
Form C Relays Tx, Rx traffic alarms and Unit faults
AVAILABLE OPTIONS
How Enabled Option
FAST Variable Rate to 2.048 Mbps
FAST Variable Rate to 5 Mbps
FAST 8-PSK modulation
FAST 16-QAM modulation
Hardware Reed-Solomon Codec Board
Hardware Turbo Codec Board
Hardware CDM-570: Power Supply, AC Input
Hardware CDM-570: Power Supply, -48 DC Input
Hardware CDM-570L: Block Up Converter (BUC)
24 VDC, 100W power supply, AC Input or
48 VDC Input
Hardware CDM-570L: Block Up Converter (BUC)
48 VDC, 180W power supply, AC Input or
48 VDC Input
Hardware IP Module
IP Module Options:
FAST
Header Compression
FAST
Payload Compression
FAST
Quality of Service (QoS) – 3 modes
FAST
3x DES Data Encryption
VMS
Vipersat Management System Integration
ACCESSORIES
CRS-170a CDM-570L: 1:1 Modem Redundancy IF
Switch
CRS-180 CDM-570: 1:1 Modem Redundancy IF Switch
CRS-280 CDM-570: IF Switch Module
CRS-300 1:N Modem Redundancy Switch
ENVIRONMENTAL AND PHYSICAL
Temperature Operating: 0 to 50ºC (32 to 122ºF)
Storage: -25 to 85ºC (-13 to 185ºF)
Power Supply 100 to 240 volts AC, 50/60 Hz
Power Consumption
(See Manual)
CDM-570: 29W typical (32W max) w/o IP
Module
CDM-570L: 22W typical (32W max) w/o BUC
or IP Module
PSU 250W maximum with 180W BUC PSU
Physical Dimensions CDM-570: 1RU high, 12 inches deep (30.5cm)
CDM-570L: 1RU High, 16 inches deep
(40.6 cm)
Weight CDM-570: 7 lbs (3.2 kg)
CDM-570L: 16 lbs (7.2 kg) including 180W
BUC supply
CE Mark EMC, Safety (70/140 MHz)
EN55022 Class B (Emissions),
EN50082-1 Part 1 (Immunity)
EDM-570L: EN60950 (Safety)
FCC Approval CDM-570L: FCC Part 15 Class B
CDM-570 Satellite Modem Back Panel
CDM-570L Satellite Modem Back Panel
(38 paginas)
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