CDM-840 Remote Router

CDM-840 Remote Router
Comtech EF Data

CDM-840 Remote Router

Master Distributor

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  • Transmit Data rate: 16 kbps to 15.35 Mbps
  • Receive Data rate: 1 Mbps to 160 Mbps
  • Frequency: 950 to 2150 MHz

SKU: CMT144 Tags: , , ,
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  • Description
  • Technical Specifications
  • Support Documents

Overview

Comtech EF Data’s Advanced VSAT Solutions portfolio provides high-performance satellite-based communication solutions for a diverse range of applications, including maritime and offshore communications, mobile backhaul with RAN optimization, IP trunking and backhaul, corporate and enterprise networks, emergency and disaster recovery. Incorporating advanced technologies developed by Comtech EF Data, AHA Products Group, Memotec and Stampede, the solutions provide unmatched performance, industry-leading bandwidth efficiencies and network optimization – while minimizing Total Cost of Ownership.

Details

  • High-Performance Integrated Packet Processing
    • Layer 2 (Bridged Point to Multipoint – BPM) or Layer 3 (Routed) operation
    • Jumbo frame support
    • VLAN support in BPM mode
    • Advanced Quality of Service (QoS)
    • Header compression, including Layer 2 headers in BPM mode
    • Lossless payload compression
    • Ultra low overhead Streamline Encapsulation (TX)
    • Low overhead Enhanced Generic Stream Encapsulation (GSE) (RX)
  • Integrated with NetVue Integrated Management System and Vipersat Management System
  • Integrated E1 RAN Optimization
  • Simultaneous IP/Ethernet and E1 operation
  • Advanced Forward Error Correction
    • VersaFEC low-latency LDPC transmit
    • DVB-S2 receive
  • Adaptive Coding and Modulation (ACM) capable transmit and receive
  • Variable Coding and Modulation (VCM) capable receive
  • Transmit
    • Data rate: 16 kbps to 15.35 Mbps
    • Symbol rate: 16 ksps to 4.5 Msps
    • Modulation: BPSK, QPSK, 8-QAM, 16-QAM
    • Rolloff : 20%, 25%, 35%
    • Ultra low overhead Streamline Encapsulation
  • Receive
    • Frequency: 950 to 2150 MHz
    • Data rate: 1 Mbps to 160 Mbps
    • Symbol rate: 1 Msps to 62 Msps
    • Rolloff : 20%, 25%, 35%
    • Demodulation: QPSK, 8PSK, 16APSK, 32APSK
    • Low overhead enhanced Generic Stream Encapsulation
  • Operating Frequency: 950 to 2150 MHz
  • Traffic Interfaces:
    • 10/100/1000Base-T Ethernet
    • G.703 E1
  • Management Interface: 10/100Base-T Ethernet for web and SNMP
  • BUC and LNB support
  • 1:1 Redundancy

Transmit
Data Rate 16 kbps to 15.35 Mbps, in 1 bps step (CCM mode)
(Modulation and FEC dependent)
Symbol Rate 16 ksps – 4.5 Msps
FEC VersaFEC Encoder (ACM and CCM modes)
Modulation & Code Rate / Data Rate Range
BPSK 0.488 16.00 kbps – 2.19 Mbps
QPSK 0.533 17.07 kbps – 4.80 Mbps
QPSK 0.631 20.19 kbps – 5.67 Mbps
QPSK 0.706 22.577 kbps – 6.34 Mbps
QPSK 0.803 25.69 kbps – 7.22 Mbps
8-QAM 0.642 30.83 kbps – 8.67 Mbps
8-QAM 0.711 34.14 kbps – 9.60 Mbps
8-QAM 0.780 37.44 kbps – 10.53 Mbps
16-QAM 0.731 46.80 kbps – 13.16 Mbps
16-QAM 0.780 49.92 kbps – 14.04 Mbps
16-QAM 0.829 53.04 kbps – 14.91 Mbps
16-QAM 0.853 54.60 kbps – 15.35 Mbps
Encapsulation Ultra low overhead Streamline Encapsulation
Receive
Receive Data Rate
(Pilots On)		 QPSK 0.479 – 108.255 Mbps
8PSK 1.740 – 160.0 Mbps
16APSK 2.575 – 160.0 Mbps
32APSK 3.623 – 160.0 Mbps
Receive Symbol Rate QPSK 1 to 62 Msps
8PSK 1 to 62 Msps
16APSK 1 to 47 Msps
32APSK 1 to 37 Msps
FEC DVB-S2 Decoder (ACM, CCM and VCM modes) Short Frame, Normal frame
Modulation & FEC / Data Rate Range (Normal FEC frame, pilots On)
QPSK 1/4 0.479 – 29.672 Mbps
QPSK 1/3 0.641 – 39.731 Mbps
QPSK 2/5 0.771 – 47.779 Mbps
QPSK 1/2 0.965 – 59.850 Mbps
QPSK 3/5 1.160 – 71.922 Mbps
QPSK 2/3 1.291 – 80.029 Mbps
QPSK 3/4 1.452 – 90.029 Mbps
QPSK 4/5 1.549 – 96.064 Mbps
QPSK 5/6 1.615 – 100.148 Mbps
QPSK 8/9 1.724 – 106.914 Mbps
QPSK 9/10 1.746 – 108.255 Mbps
8PSK 3/5 1.740 – 107.853 Mbps
8PSK 2/3 1.936 – 120.011 Mbps
8PSK 3/4 2.178 – 135.007 Mbps
8PSK 5/6 2.422 – 150.181 Mbps
8PSK 8/9 2.586 – 160.000 Mbps
8PSK 9/10 2.618 – 160.000 Mbps
16APSK 2/3 2.575 – 121.007 Mbps
16APSK 3/4 2.896 – 136.127 Mbps
16APSK 4/5 3.090 – 145.253 Mbps
16APSK 5/6 3.222 – 151.428 Mbps
16APSK 8/9 3.440 – 160.000 Mbps
16APSK 9/10 3.483 – 160.000 Mbps
32APSK 3/4 3.623 – 134.063 Mbps
32APSK 4/5 3.866 – 143.051 Mbps
32APSK 5/6 4.031 – 149.132 Mbps
32APSK 8/9 4.303 – 159.207 Mbps
32APSK 9/10 4.357 – 160.000 Mbps
Pilots On
Encapsulation Low overhead Enhanced GSE
Modulator Specifications
Operating Frequency 950 to 2150 MHz L-Band, 100 Hz frequency resolution
Frequency Stability ± 0.06 ppm (± 6 x 10-8), 0 to 50°C (32 to 122°F)
Frequency Reference Internal
Scrambling Comtech, disabled
Spectral Inversion Normal or inverted
Transmit Filtering Per IESS-308/-309 spectral mask
Transmit Filter Rolloff (Alpha) 20%, 25% and 35%
Output Power 0 to -40 dBm, in 0.1 dB steps
Power Accuracy ± 1.0 dB over frequency, data rate, modulation type and temperature range of 0 to 50°C
Transmit On/Off Ratio -60 dBc minimum
Harmonics and Spurious Better than -60 dBc/4 kHz
(typically < -65 dBc/4KHz)
Measured from Fo +/- 300 MHz
Connector Type N (female)
Impedance 50 Ω
Return Loss 20 dB, minimum
External TX Carrier Off By TTL ‘low’ signal
Test Modes CW, 1/0 pattern, 2^23-1 and 2047 patterns
BUC Reference (10 MHz) Via TX IF center conductor, 10.0 MHz ± 0.06 ppm, selectable on/off, 0.0 dBm ± 3 dB
BUC Power Supply (HW Option) 24 VDC, 4.17 Amps max., 90 W @ 50°C
48 VDC, 3.125 Amps max., 150 W @ 50°C
Supplied through TX IF center conductor and selectable on/off via M&C control
(View our PDF Datasheet for more information)


CDM-840 Remote Router Datasheet PDF

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