LCS-4 L-Band Combiner Switch

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LCS-4 L-Band Combiner Switch

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  • 4-way L-Band combining for modulators
  • 4-way L-Band splitting for demodulators
  • L-Band Interface to ODU/BUC and LNB
  • 1:1 controller for BUC redundancy
  • 1:1 controller for LNB redundancy
  • Hot swap power supplies replaceable from the front

SKU: CMT176 Tags: , ,
  • Description
  • Technical Specifications
  • Support Documents

Overview

The LCS-4 Combiner Switch is an indoor unit that provides combining/splitting for L-Band modems, plus it operates as a redundancy controller for RF switches located at the antenna.

Details

    • 4-way L-Band combining for modulators
    • 4-way L-Band splitting for demodulators
    • L-Band Interface to ODU/BUC and LNB
    • 1:1 controller for BUC redundancy
    • 1:1 controller for LNB redundancy
    • Hot swap power supplies replaceable from the front
    • Options for redundant BUC power supplies
      • 24 VDC at 100 W
      • 48 VDC at 180 W
    • BUC PS supports up to 10 W C-Band and 8 W Ku-Band
      • High stability internal 0.02 ppm 10 MHz reference

Specifications
Operating Frequency 950 to 1950 MHz (L-Band)
TX IF Connector Type N, Female, 4 combined inputs, 2 switched outputs
TX Return Loss 10 dB minimum, 50 Ω
TX Gain -10 dB maximum loss, Combiner Input to unit output
TX Input Level 0 dBm composite operating, +10 dBm no damage
RX IF Connector Type F, Female, 2 switched inputs and 4 split outputs
RX Return Loss 10 dB minimum, 75 Ω
RX Gain 0 ± 3 dB, LNB Input to Splitter Output
RX Input Level 0 dBm composite operating, +10 dBm no damage
Frequency Reference Internal or external
Reference Stability 10 MHz, 0.02 ppm (Internal)
Internal/External Reference Phase Noise
Frequency Offset / dBc/Hz
1 Hz -80
10 Hz -110
100 Hz -135
1 kHz -140
10 kHz -150
100 kHz -150
  
Reference Level ODU/BUC: 0 ± 3 dBm
LNB: -3 ± 3 dBm
External Reference Input 10 MHz, -10 to +15 dBm, 1 BNC Female connector
Reference Output 0 dBm ± 3 dB at 4 BNC female connectors
Reference Return Loss Input/Output: 15 dB minimum, 50 Ω
Power Supply 1 or 2 assemblies hot swap from front panel.
Includes unit power supply or unit power + ODU/BUC supply
ODU/BUC Supply 24 VDC 100 W, AC Input (see prime power)
48 VDC 180 W, AC Input
Switchover Time Within 1.5 seconds of fault detection
Options
Hardware 1 or 2 Unit Power Supply (No BUC PS), AC Input
Hardware 1 or 2 Unit PS + BUC 24 VDC 100 W, AC Input
Hardware 1 or 2 Unit PS + BUC 48 VDC 180 W, AC Input
Hardware L-Band IFL Cables
Hardware 1:1 C- or Ku-Band BUC Redundancy Switch
Hardware 1:1 C- or Ku-Band LNB Redundancy Switch
Hardware Cables, LCS-4 to BUC and LNB Redundancy Switch
Hardware BUC and LNB Redundancy Mounting Kits
Environmental and Physical
Temperature Range
Operating Storage
0 to 50°C (32° to 122°F)
-40 to +70°C (-40° to 158°F)
Dimensions (2RU)
(height x width x depth)
3.5” x 19.0” x 21.25”
(8.9 x 48.3 x 54 cm)
Weight 15 lbs (7.0 kg)
Prime Power, AC
No BUC:
100 W BUC PS:
180 W BUC PS:
90 to 264 VAC, 47 to 63 Hz
70 W maximum
180 W (1 BUC PS), 300 W (2 BUC PS) max.
275 W (1 BUC PS), 500-W 2 BUC PS) max.
Approvals CE as follows:
EN 55022 Class B (Emissions)
EN 50082-1 (Immunity)
EN 60950 (Safety)
FCC Part 15 Class B

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