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Cisco 8140 Installing

Cisco 8140 Installing

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Installing Battery Backup Units
The Cisco Catalyst Industrial Router 8140 Heavy Duty Series Router (IR8140H or router) supports up to three
battery backup units (BBUs), which provide power to the router if the router AC power supply fails or is not
available. This section describes the BBU features and installation procedures.
These topics are discussed:
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Battery Backup Operations

The battery backup unit (BBU) provides the router with an emergency power source if the AC power source
is unavailable.
The router supports up to three BBU units installed at one time. The units are mounted in the center-front of
the IR8140H. When you install 3 BBUs, up to 8 hours of battery backup power is available on a fully-loaded
system in the event of an AC power failure. BBUs can be replaced in the field.
The BBU can be installed in the router while the router is powered on and operating normally.
The BBU internal components include battery cells, a primary protection circuit, a fuel gauge, and a charger.
For detailed, illustrated descriptions of the BBU, see
BBU Status, on page 2
BBU Components, on page 6
BBU Components, on page
Installing Battery Backup Units
6.
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Summary of Contents for Cisco 8140

  • Page 1: Table Of Contents

    Installing Battery Backup Units The Cisco Catalyst Industrial Router 8140 Heavy Duty Series Router (IR8140H or router) supports up to three battery backup units (BBUs), which provide power to the router if the router AC power supply fails or is not available.

  • Page 2: Bbu Status

    • All BBUs are completely discharged. • AC power to the router is restored. • The BBU is disabled with software commands (see Cisco Catalyst IR8140 Heavy Duty Series Router Software Configuration). Note...

  • Page 3: Battery Backup Mode

    The BBU shipping and receiving guidelines define the BBU SOC status and how it can be managed at this stage of the BBU life cycle: • Cisco ships BBUs with a minimum of 60% SOC from the Cisco contract manufacturer (CM). • Each BBU should have a minimum SOC of 50% upon receipt from the Cisco CM.

  • Page 4: Alignment Hole

    • Prior to connection to an AC source, the BBU shelf life is a minimum of 21 days. • When long term storage at a customer site is anticipated, Cisco requires that the BBUs be recharged prior to expiration of shelf life.

  • Page 5: Preparing To Install The Bbu

    • For routers under warranty, follow the standard Cisco RMA procedures. • If Cisco identifies a BBU or set of BBUs as a non-functional item that can be discarded without being returned for failure analysis, BBUs removed for replacement must be disposed of in accordance with local guidelines.

  • Page 6: Bbu Components

    Installing Battery Backup Units Safety Warnings Safety Warnings Read the safety warnings in Installation Safety and Site Preparation. Warning There is the danger of explosion if the battery is replaced incorrectly. Replace the battery only with the same or equivalent type recommended by the manufacturer. Dispose of used batteries according to the manufacturer's instructions.
  • Page 7 Installing Battery Backup Units BBU Components Note For technical specifications of the components described in this section, see BBU Technical Specifications, on page There is a plug connector on the back and a socket connector on the front of each BBU. Also, there is a BBU alignment pin on the back and an alignment hole on the front.

  • Page 8: Installing Bbus In The Router

    Installing Battery Backup Units Installing BBUs in the Router Figure 3: Front of Battery Backup Unit Item Description BBU Interface Socket BBU Alignment Hole Captive Nut (6) for installing the BBU for stacking or installing BBUs inside the BBU bracket of the BBU module Installing BBUs in the Router This section describes how to install a BBU in the router.

  • Page 9: Installing Bbu Modules To The Bbu Cage

    Installing Battery Backup Units Installing BBU Modules to the BBU Cage Installing BBU Modules to the BBU Cage, on page 9 Attaching BBU Cage to the Faceplate, on page 10 Installing BBU Assembly or Blank to the Router, on page 13 Follow these steps to remove BBUs from the router: Removing BBU Assembly or Blank From the Router, on page 16 Removing the BBU Cage from the Faceplate, on page 13...

  • Page 10: Attaching Bbu Cage To The Faceplate

    Installing Battery Backup Units Removing BBU Modules from the BBU Cage Step 1 To install the first BBU Module, line up the BBU pin with the BBU cage pin notch, then torque the six captive screws to 7-9 in-lbs with a #1 Phillips screwdriver in sequence as shown in the following figure. Step 2 To install a second BBU module, line up the BBU alignment pin with the BBU alignment hole, and press the plug and socket connectors together.
  • Page 11 Installing Battery Backup Units Attaching BBU Cage to the Faceplate Figure 4: Attaching BBU Cage to Faceplate Faceplate BBU security tab Connector relief M3.5 screws (6) BBU cage BBU module Step 1 Orientate BBU cage or assembly to the faceplate as shown in the figure. Note the location of BBU security tab in relation to the faceplate connector relief.
  • Page 12 Installing Battery Backup Units Attaching BBU Cage to the Faceplate Step 3 The BBU assembly is now ready to be mounted to the router. Installing Battery Backup Units...

  • Page 13: Installing Bbu Assembly Or Blank To The Router

    Installing Battery Backup Units Removing the BBU Cage from the Faceplate Removing the BBU Cage from the Faceplate Follow these steps to remove the BBU cage from the faceplate: Step 1 Use a T15 Torx driver to remove the six M3.5 screws that attach the BBU cage to the faceplate. Do not discard the screws. Step 2 Remove the BBU cage or assembly from the faceplate.
  • Page 14 Installing Battery Backup Units Installing BBU Assembly or Blank to the Router Figure 5: BBU Assembly or Blank Mounted on the Router BBU gasket Padlock tab BBU assembly/blank BBU security screw, in the bottom of the router M6 bolts (4) Step 1 Ensure that BBU gasket is fully installed in the gasket groove and the sealing surface is clean.
  • Page 15 Installing Battery Backup Units BBU Security Screw BBU Security Screw The BBU security screw is located at the bottom of the router. Follow these steps to install the BBU security screw: Step 1 Ensure the BBU security screw is backed out until it hits retention plate. Installing Battery Backup Units...

  • Page 16: Bbu Technical Specifications

    Installing Battery Backup Units Removing BBU Assembly or Blank From the Router Figure 6: BBU Security Screw Retention plate (do not remove) BBU security screw ( require 3mm Hex Head) Step 2 Install the BBU assembly and torque bolts per detailed instructions in Installing BBU Assembly or Blank to the Router, on page Step 3...
  • Page 17 Installing Battery Backup Units Router Power Path Selection Router Power Path Selection During normal operation, the router is powered by the integrated AC power supply. The BBU enters discharge mode and begins providing power to the router when the AC power is interrupted outside a range of 85V to 250V for more than 20 ms.
  • Page 18 Installing Battery Backup Units Operating and Storage Temperatures Operating and Storage Temperatures Table 3: Battery Backup Unit Operating and Storage Temperatures BBU State Local BBU Internal Temperature External Ambient Temperature Charging +32 to 122°F (0 to 50°C) -4 to 104°F (-20 to 40°C) Discharging -4 to 140°F (-20 to 60°C) -40 to 122°F (-40 to 50°C)

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Ir8140h

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