Step Electronics
10-12 Wiggs Road,
Riverwood,
New South Wales 2210

Ph: +61 2 9717 5210
Fx: +61 2 9717 5209
info@stepelectronics.com.au

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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