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L-band Substitution Switch

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RSS 1750

Redundancy Switch - L-band RF

Customer Comments:

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"I must be a happy customer as I have brought Quintech into the cruise industry several years ago -- and your RF matrices and other RF products are now standard throughout fleets from Royal Caribbean Cruise Line to Celebrity Cruises. The Royal Caribbean Cruise Line's fleet of 16 ships. All use only Quintech RF Matrix systems or Quintech RF Splitters for their satellite systems. Celebrity Cruise Line's fleet of 9 ships also uses only Quintech RF splitters or Quintech RF Matrix systems for their satellite systems."

Peter Canzonetta
MAVCO

The RSS 1750 is a 2-to-24 L-band substitution switch that provides solid-state L-Band switching for a single set of antenna modulators (up to 24 per antenna).  It offers 24 sets of primary inputs and outputs as well as two auxiliary modulator inputs, each one of which can be substituted for any one of the 24 primary inputs.  Control and status is provided either locally via the front panel keypad or remotely through a serial or Ethernet interface.  Each of the primary modulator paths through the switch have guaranteed "zero-loss" whereas the auxiliary modulator (substitution) path has an additional 3.5 dB gain to compensate for the external power divider loss.  Any non-selected paths are internally terminated into 50 ohms.

Features & Benefits

  • Provides flexibility in substituting backup feeds.

  • Permits insertion of test signals for system analysis or re-tasking of a particular signal output.

Downloads:
Specification Sheet
Specifications: Primary Path Auxillary Path
Operating Frequency 950-1750 MHz 950-1750 MHz
Impedance 50 ohm 50 ohm
Flatness + 0.5 dB (over any 250 MHz) + 0.5 dB (over any 40 MHz)
Insertion Loss +2.0 dB + 1.0 dB

+6.0 dB + 1.3 dB

Isolation >40 dB (47 dB typical)

>40 dB (47 dB typical)

Return Loss (I/O) 16 dB 15 dB
Compression (1 dB): + 5 dBm + 5 dBm
Noise Figure: 9 dB

9 dB

Group Delay: < 1 nsec < 1 nsec.
RF Connectors Type "N" (female), 50 ohm Type "N" (female), 50 ohm
Power Requirements

100-240 V~  autoranging, 47-63 Hz, w GND lug, Dual Redundant Power Supplies

Power Consumption 65 W
Monitor & Control Ethernet and RS-422
Ambient Temperature

0 to +55ْ C

Mechanical

5 RU (8.75"H x 19"W x 20"D)

Weight 28 lbs. gross (boxed), 20.5 lbs. net

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