CDM625 Advanced Satellite Modem
Data Sheet
The CDM-625 Advanced Satellite Modem builds on Comtech EF Data's legacy of providing the most efficient satellite modems. It is the fitst modem to combine advanced Forward Error Correction (FEC), such as Low Density Parity Check (LDPC) codes, with the revolutionary Double Talk Carrier-in-Carrier bandwidth compression allowing for maximum savings under all conditions.
Applications:
- Cellular Backhaul
- Providing T1/n x E1/T2/E2 connectivity
- Transmission of Voice, Video & Data
- High Speed Trunking
- Offshore Communications
- Communications-on-the-Move (Land Vehicles/Trains)
- Satellite News Gathering
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Features:
- DoubleTalk Carrier-in-Carrier bandwidth compression capability
- 70/140 MHz and L-band capability in the same unit
- Data Rate: 18 kbps to 25 Mbps
- Symbol Rate: 18 ksps to12.5 Msps
- Modulation: BPSK, QPSK/OQPSK, 8 PSK/8-QAM and 16-QAM
- Forward Error Correction (FEC): Viterbi, Concatenated Reed Solomon, Turbo Product Code (TPC) (IESS-315 Compliant), Low Density Parity Check (LDPC) Code and TCM
- Open Network Support: IBS with High Rate IBS ESC, IDR and Audio
- 5-tap Adaptive Equalizer
- Widest Range of Data Interfaces: EIA 422/530, V.35, G.703 T1, G.703 E1, G.703 T2, G.703 E2, Quad G.703 E1, ASI, LVDS, HSSI, 4-port 10/100 Base Ethernet
- Drop & Insert for T1/E1
- Enhanced D&I ++ for Single T1/E1 & Quad E1
- Engineering Service Channel (ESC/ESC ++)
- Management 10/100 BaseT Ethernet with SNMP, HTTP and Telnet support and EIA 232/EIA 485
- Automatic Uplink Power Control (AUPC)
- Standard High Stability Internal Reference
- L-band: 10 MHz reference for BUC, FSK communications and optional BUC power supply
- L-band: 10 MHz reference for LNB power supply
- CDM-600/L emulation mode
- 1:1 and 1:10 Redundancy Switches Available
- Backwards compatible with CDM-500/CDM-550, CDM-550T, CDM-570/L and CDM-600/L
- Interoperable with many Comtech EF Data satellite modems: CDM-550T, 570, 570L, 600, 600L, SDM-8000, 300A, and 300L3
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