
CDMQx/L Multi Channel Satellite Modem
Data Sheet

CDM-Qx and CDM-QxL are the first satellite modems to offer Double Talk Carrier-in-Carrier bandwidth compression capability that allows transmit and receive carriers of a full-duplex satellite link to share the same transponder space.
Applications:
- Cellular Backhaul
- High Speed Trunking
- Offshore Communications
- Limited Rack Space Installation
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Features:
- DoubleTalk Carrier-in-Carrier bandwidth compression capability (option)
- Four slot chassis, allowing flexible configuration
- CDM-Qx: 50 to 90, 100 to 180 MHz / CDM-QxL: 950 to 1950 MHz
- Data Rate: 32 kbps to 20 Mbps
- Modulation: BPSK, QPSK, 8-PSK and 16-QAM
- Forward Erroe Correction (FEC): Viterbi, Concatenated Reed Solomon and Turbo Product Coding (IESS-315 Compliant)
- Data Interface: EIA-422, V.35, Sync EIA-232, G.703 TI, G.703 EI, Quad G.703 E1, G.703 E2 and HSSI
- Enhanced D&L ++ for Single & Quad E1
- M&C: EIA-232, EIA-485, and 10/100 BaseT Ethernet with SNMP, HTTP and Telnet support
- Embedded Distant-end Monitor and Control (EDMAC)
- Automatic Uplink Power Control (AUPC)
- Spectrum Analyzer Function
- Asymmetric Loop Timing
- Common frequency reference for all modules
- Individual modulator output power control
- CDM-QxL: 10 MHz reference for BUC, FSK communications and optional BUC power supply
- CDM-QxL: 10 MHz reference and LNB power supply
- Interoperable with many Comtech EF Data satellite modems: CDM-550T, 570, 570L, 600, 600L, SDM-8000, 300A, and 300L3
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