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  • Comtech EF Data CRS-100 Redundancy Switch

Comtech EF Data CRS-100 Redundancy Switch

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  • Supports a wide range of modems
  • Fully protects traffic paths
  • Routes Data and IF signals at the switch
  • Manual and Automatic Switchover


CRS-100 General Specifications
System Type1:1 Redundancy Switch
Operating ModesFully automatic

Manual (via the front panel of the online modem, or via the

modem's remote control interface)
Redundant ModemFull bridging architecture
Signal SourceTX Clock and Data, and RX IF fed to both units.

Continuous fault comparison and configuration updates of

online and standby units.
Switching ConditionsSwitchover initiated by any modem fault,

Unit faults only

Unit faults or Receive Traffic Faults

Unit faults or Transmit Traffic Faults

IF Switching / SplittingTransmit IF: Switched by RF relay (0.3 dB max loss)

Receive IF: Passive power splitting (3.5 dB max loss)
Fault Detection Time0.5 seconds maximum
Switching TimeWithin 0.1 seconds of fault detection
Data InterfacesEIA-422 / EIA530

V.35 DCE

Sync / Async EIA-232
Weight1.1 lbs (0.5 kg)
Dimensions1.7 inches (43 mm) high

5.7 inches (143 mm) wide

4.1 inches (104 mm) deep
Power Requirements3.2 Watts maximum, from modems

+12 volts DC @ 160 mA (max)

-12 volts DC @ 100 mA (max)
EnvironmentalCE as follows:
ApprovalsEN 55022 Class B (Emissions) EN 50082-1 (Immunity)

EN 60950 (Safety)

FCC Part 15 Class B

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