CDM-840 Remote Router
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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
- 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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