RipEX Hot Standby


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1. RipEX Hot Standby

1.1. Introduction

RipEX-HS is designed to be used on critical sites, where high stress on HW reliability is required – typically master or repeater stations. It is hot standby, 1+1 redundant, fully monitored, hot swappable equipment.

RipEX-HS is assembled with 2 standard RipEX units, each powered by its independent power supply. Controller takes care of the automatic changeover in case of failure. Changeover conditions are widely configurable. Since both units are hot-stand-by and use identical MAC addresses, an exceptional switch-over time of less than 2s is reached.

LED panels, Mode buttons, HW alarm outputs, SNMP traps and standard RipEX units inside make RipEX-HS configuration and control quite easy and maintenance can be done by anyone familiar with RipEX .

Power can be backed-up using RipEX-HSB battery pack, individual 19″ rack 3U box. There are separate batteries for RipEX “A” and “B” power supplies which allows approx. 10 hours of RipEX-HS operation.

1.2. Key Features

  • Exceptional switch-over time

    • Less than 2 s

  • Standard RipEX units used

    • In case of failure, standard RipEX unit inside can be replaced even on site.

  • SW free controller

    • There is no SW in the controller

    • No danger of SW bugs

  • Compact dimensions

    • 19″ rack 3U box

  • Easy to configure and maintain

    • 4 buttons for Operating mode setting

    • LED panels for each internal RipEX unit

    • Standard RipEX web interface

    • All user connectors on rear panel

    • Both RipEX units can be accessed and managed remotely

  • Two power supplies

    • Each unit powered by its own independent power supply

    • Each power supply has got its input connector, switch and fuse

    • No single point of failure in terms of power

  • Different models for power supply

    • 100–240 VAC 50–60 Hz

    • 36–60 VDC, positive grounding possible

    • 11–30 VDC

  • Battery back-up

    • “RipEX-HSB – Battery pack” available for AC power model

    • Separate batteries for RipEX “A” and “B”

    • Batteries are charged-up from RipEX-HS

    • Individual 19″ rack 3U box

    • Approx. 10 hours of RipEX-HS operation

  • HW alarm outputs

    • 4 HW alarm outputs available on the screw terminal connector on the rear panel

    • Standard RipEX HW alarms of units “A” and “B”

    • Switch HW alarm informs active unit failure and controller switch-over to the back-up unit

    • Power alarm informs controller board power drop-out

  • Antenna connections

    • By default one antenna connector connected to active unit

    • Available model with separate “A” and “B” antenna connectors when redundant antennas are used

    • When RipEXes with separated Rx and Tx antenna connectors are used, both respective models are available too

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