CRS-300 1:10 Modem Redundancy Switch

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CRS-300 1:10 Modem Redundancy Switch

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  • Twin, independent AC or DC power supplies
  • Passive backplane for signal path
  • Non-interruption of normal traffic upon power failure
  • Data and clock provided to the redundant modem when in Bridge Mode
  • Programmable holdoff times to backup or restore

SKU: CMT124 Tags: , ,
  • Description
  • Technical Specifications
  • Support Documents

Overview

The CRS-300 1:10 Modem Redundancy Switch provides fully automatic or manual redundancy for CDM-570A & CDM-570AL, CDM-625 & CDM-625A, CDM-700, CDM-570 & CDM-570L, CDM-Qx & CDM-QxL, CDM-710, CDM-600 & CDM-600L, SLM-5650A CDM-710G

The protection system consists of a maximum of 10 traffic modems, a redundant modem, and the CRS-300 redundancy switch. Two companion (slaved) 1:10 switches are also available: the CRS-280/ 280L IF switch and the CRS-350 ESC switch. The IF switch is used in multiple transponder applications. The CRS-350 is used for open network ESC redundancy switching.

Details

  • Twin, independent AC or DC power supplies
  • Passive backplane for signal path
  • Non-interruption of normal traffic upon power failure
  • Non-interruption of user data when other traffic modem Interface circuit cards are removed
  • Data and clock provided to the redundant modem when in Bridge Mode
  • Programmable holdoff times to backup or restore
  • Audible alarm programmable to activate, based on various changes in status
  • Provides single-point remote Monitor and Control (M&C) to switch and traffic modems
  • Simplified configuration and control
  • 2 line x 24 character vacuum fluorescent display
  • Front panel keypad
  • LED system status display showing unit and modem status, online/offline status, and bridge status

Specifications
Type 1:10 Redundancy Switch system, N=10 max., bridging architecture
Operating Modes Fully automatic or manual
Force traffic modem to redundant modem
Remove selected traffic modem from control
Programmable hold-off to backup and hold – off to restore (from 2 to 99 seconds)
Switching Conditions Switch to redundant modem following a unit fault
TX traffic alarm or RX traffic alarm
IF Switching With CRS-280 IF Switch; all modems outputs on all the time
Without CRS-280 IF Switch: IF on/off control to modems
Redundant Modem Signal Source Any one of the 10 traffic paths (bridge mode) (both RX IF and TX data)
Front Panel Vacuum fluorescent display, 2 lines, 24 characters LED status display showing, for all modems
Unit status, TX status, RX status, online and bridge status
Audible Alarm Programmable to activate following various changes of state
Common faults Dry relay contacts
Prime Power Two independent inputs, (AC or DC versions available):
90 to 264 VAC, 50/60 Hz, or
48 (38 to 60) VDC < 25 W
Dimensions (Rack Mount – 4RU) (height x width x depth) 6.75” x 19” x 11.75” (17.15 x 48.26 x 29.85 cm)
Weight ∼ 20 lbs (∼ 9.07 kg)
Temperature 0 to +50°C (32 to 122°F) operating
50 to 100°C (122 to 212°F) storage
Humidity 95% at +40°C (104°F), non-condensing
CE Mark EMC and Safety
(View our PDF Datasheet for more information)

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