4 cdm-750 specifications, 1 system specifications, 2 environmental and physical – Comtech EF Data CDM-750 User Manual
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CDM-750 Advanced High-Speed Trunking Modem
Revision 2
Introduction
MN-CDM750
1–11
The following
FUTURE
Power Interface Options will be available from Comtech EF Data:
• 48 VDC Primary Input Power Supply with Screw‐in Fuse Holders
• 24 VDC BUC 90 Watt Power Supply (AC Input or DC Input versions)
• 48 VDC BUC 150 Watt Power Supply (AC Input or DC Input versions)
1.4
CDM-750 Specifications
1.4.1
System Specifications
Symbol/Date Rate Range
Programmable in 1 sps increments
DVB-S2
• QPSK: 1/2, 3/5, 2/3, 3/4, 4/5, 5/6, 8/9, 9/10 to 63 Msps / 112.6 Mbps max
• 8-PSK: 3/5, 2/3, 3/4, 5/6, 8/9, 9/10 to 63 Msps / 168.7 Mbps max
• 16-APSK: 2/3, 3/4, 4/5, 5/6, 8/9, 9/10 to 47 Msps / 167.6 Mbps max
• 32-APSK: 3/4, 4/5, 5/6, 8/9, 9/10 to 38 Msps / 165.5 Mbps max
FECFrame
Standard (64,800 bits) or Short (16,200 bits)
Pilots
On or Off
Alpha (Rolloff)
20%, 25% or 35%
Management
Front panel keypad / display EIA-232 /485, or 10/100 BaseT with, SNMP, Telnet, HTTP
Firmware Update
Ethernet management port
Frequency Stability
Internal, stability ±0.06 ppm
Form C
Modulator, demodulator and Unit fault
Configuration Retention
Non-volatile memory; Returns upon power up
External Reference I/O
• Reference Selections: Internal 10 MHz, External Input 1, 2, 5, 10 MHz at -6dBm to +10dBm (nominal
50/75 Ω, BNC female connector)
• Output Selection: (internal 10 MHz) at 2.7 volts peak-to-peak ± 0.4 volts, low impedance output
• Tx and Rx IF and L-Band synthesizers phase lock to the reference.
1.4.2
Environmental and Physical
Temperature
• Operating: 0 to 50ºC (32 to 122ºF)
• Storage: -40 to 70ºC (-40 to 158ºF)
Humidity
95% maximum, non-condensing
Power Supply Input
90-240 VAC, 50-60 Hz
Power Consumption
AC Power Consumption
With CnC Module, G.703, and GZIP Compression Installed:
90-240 VAC, 50-60 Hz, Power Factor = .94, 100 Watts maximum
DC Power Consumption
(FUTURE)
AC Receptacles
Includes restraint for standard IEC-320 inlet
Weight
15 lbs (6.8 kg)
Dimensional Envelope
19.0 W x 18.2 D x 1 RU (1.7) H inches (483 W x 462 D x 44 H mm)