Comtech EF Data CRS-150 User Manual
Page 22
CRS-150 1:1 Redundancy Switch
Revision 2
Introduction
MN/CRS150.IOM
1–6
IF Switching/
Splitting
• Transmit IF: Switched by RF relay (0.3 dB max loss)
• Receive IF: Passive power splitting (3.5 dB max loss)
IF Impedance
• Optimized for 50Ω (> 20 dB return loss on external IF ports)
• 75Ω supported with the use of external RF transformers (supplied)
IF Connectors
BNC female
IF Frequency range
52-176 MHz
Weight
4.6 lbs (2.1 kg)
Dimensions
1.75 inches (44.5 mm) high, 19 inches (482.5 mm) wide, 4.2 inches (107 mm) deep
(excluding connectors)
Power requirements
4.5 Watts maximum
+ 12 volts DC @ 250 mA (max)
-12 volts DC @ 120 mA (max)
• Power is supplied by the Online and Standby Modems, and the unit current shares
when both an >A= and >B= unit are present. These power supplies are electronically
fused and protected.
• A pair of auxiliary DC inputs are provided for powering external equipment connected to
the main data interface, such as a CIC-20 Interface Converter.
Approvals
• ‘CE’ as follows:
o
EN 55022 Class B (Emissions)
o
EN 50082-1 (Immunity)
o
EN 60950 (Safety)
• FCC Part 15 Class B