Comtech EF Data CDD-880 Advanced VSAT Series Multi-Receiver Router
Ideal for mobile backhaul applications, Integrated router with RAN Optimization
CDD-880 Advanced VSAT Series Multi-Receiver Router
The Comtech CDD-880 Advanced VSAT Series Multi-Receiver Router features integrated routing capability with very low overhead encapsulation, header decompression, and payload decompression. It ensures the highest quality of service with minimal jitter and latency for real-time traffic, priority treatment of mission critical applications and maximum bandwidth efficiency. The Comtech CDD-880 Advanced VSAT Series Multi-Receiver Router features 2, 4, 6, 8, 10 or 12 Demodulators in 1RU chassis, Data rate: 16 kbps to 15.35 Mbps, Symbol rate: 16 ksps to 4.5 Msps, VersaFEC low latency LDPC Forward Error Correction, Adaptive Coding and Modulation (ACM) capable, Modulation: BPSK, QPSK, 8-QAM, 16-QAM, Rolloff: 20%, 25%, 35%.
Total VSAT Solutions
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, industryleading bandwidth efficiencies and network optimization – while minimizing Total Cost of Ownership.
Designed for use at the hub site, the CDD-880 can receive transmissions from up to 12 CDM-840 Remote Routers. It combines a number of advanced technologies in a 1RU platform enabling the most efficient return channel for hub-spoke networks:
Link Optimization
IP Trunking & Internet Access (ISP)
High-performance packet processing
Lossless Payload decompression
Header decompression
Dynamic SCPC with VMS
VersaFEC low-latency LDPC
Ultra low overhead Streamline Encapsulation (SLE)
Features
Up to 12 Demodulators in 1RU chassis
Data rate: 16 kbps to 15.35 Mbps
Symbol rate: 16 ksps to 4.5 Msps
VersaFEC low-latency LDPC Forward Error Correction - Adaptive Coding and Modulation (ACM) capable
Modulation: BPSK, QPSK, 8-QAM, 16-QAM
Rolloff: 20%, 25%, 35%
High-Performance Integrated Packet Processing
Layer 2 (Bridged Point to Multipoint - BPM) or Layer 3 (Routed) operation
Jumbo frame support
CDD-880 Specifications |
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Receivers/Demodulators per 1RU Chassis |
2, 4, 6, 8, 10 or 12 |
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Receive Data Rate (Each Demodulator) |
16 kbps to 15.35 Mbps, in 1 bps step (CCM mode) (Modulation and FEC dependent) |
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Maximum Aggregate Receive Data Rate |
100 Mbps |
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Symbol Rate (Each Demodulator) |
16 ksps to 4.5 Msps (CCM mode) |
|
FEC |
VersaFEC Decoder (ACM and CCM modes) |
Modulation & Code Rate |
Data Rate Range |
|
BPSK 0.488 |
16 kbps – 2.19 Mbps |
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QPSK 0.533 |
18 kbps – 4.8 Mbps |
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QPSK 0.631 |
21 kbps – 5.67 Mbps |
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QPSK 0.706 |
23 kbps – 6.34 Mbps |
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QPSK 0.803 |
26 kbps – 7.22 Mbps |
|
8-QAM 0.642 |
31 kbps – 8.67 Mbps |
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8-QAM 0.711 |
35 kbps – 9.6 Mbps |
|
8-QAM 0.780 |
38 kbps – 10.53 Mbps |
|
16-QAM 0.731 |
47 kbps – 13.16 Mbps |
|
16-QAM 0.780 |
50 kbps – 14.04 Mbps |
|
16-QAM 0.829 |
54 kbps – 14.91 Mbps |
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16-QAM 0.853 |
55 kbps – 15.35 Mbps |
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Operating Frequency |
950 to 2150 MHz L-Band, 100 Hz frequency resolution |
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Operating Bandwidth |
All carriers must be within 70 MHz |
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Connector |
Type N (female) |
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Impedance |
50 Ω |
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Return Loss |
18 dB, minimum (typical 20 dB) |
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Input Power Range, Desired Carrier |
-130 + 10 log(symbol rate) to -80 + 10 log(symbol rate) dBm |
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Maximum Composite Operating Level |
Lesser of +10 dBm or 105 - 10 log(symbol rate, desired carrier) dBc, uniformly spread across 950-2150 MHz less desired carrier occupied bandwidth |
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Absolute Maximum, No Damage |
+20 dBm |
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Rolloff |
20%, 25%, 35% |
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Acquisition Range |
Receive Symbol Rate (Rs) < 64 ksymbols/sec |
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De-scrambling |
Comtech, disabled |
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Spectral Inversion |
Normal or inverted |
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LNB Reference (10 MHz) |
Via center conductor of RX input, 10.0 MHz ± 0.06 ppm |
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LNB Voltage |
Via center conductor of RX input, selectable on/off, 13 VDC, 18 VDC per DiSEq 4.2 and 24 VDC |
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LNB Current |
500 mA, maximum |
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LNB Current Alarm |
Programmable MIN and MAX current alarms |
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Monitor Functions |
Es/No estimate, Receive Signal Strength Indicator (RSSI), frequency offset |
Packet Processor |
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Supported Protocols |
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|
RFC 768 – UDP |
RFC 1812 – IPv4 Routers |
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Statistics |
Detailed packet and throughput stats |
Connectors |
|
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L-Band Receive |
1 x N-type (female) |
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10/100Base-T Ethernet interface (IEEE 802.3u) |
RJ-45 |
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10/100/1000Base-T Ethernet interface (IEEE 802.3ab) |
RJ-45 |
|
Console / Remote Control |
9-pin D-sub (male) |
Available Options |
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Option |
Type |
|
-48 VDC, Primary Power Supply |
Hardware |
|
Aggregate Receive Data Rate |
FAST |
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Aggregate Lossless Payload Decompression Data Rate |
FAST |
|
Aggregate Header Decompression Data Rate |
FAST |
Note: |
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(1) If ordered, the Aggregate Payload Decompression Data Rate must match Aggregate Receive Data Rate |
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Physical, Power & Environmental |
|
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Dimensions (1RU) (H x W x D) |
1.75” x 19.0” x 17.7” |
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Power Supply |
100-240 VAC, 47 Hz-63 Hz IEC 320 input |
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Operating Temperature |
0° to 50°C |
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Storage temperature |
–20° to 70°C |
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Humidity |
95% maximum, non-condensing |
Accessories |
|
|
M:N Modem Redundancy Switch |
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Regulatory |
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CE Mark |
EN55022 Class B (Emissions) |
|
FCC Approval |
FCC Part 15 Class B |
Typical Users
Offshore & Maritime
Mobile Operators
Telecom Operators
Enterprise
Internet Service Providers (ISPs)
Common Applications
Maritime & Offshore Communications
Mobile Backhaul with RAN Optimization
IP Trunking & Internet Access
