ADTRAN Total Access 908e Hardware Installation Manual

Also see for Total Access 908e: Quick reference guide Specifications Hardware installation guide

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ADTRAN Total Access 908e Hardware Installation Manual Manual pdf 29 page image

Total Access 900e Series Hardware Installation Guide Battery Backup Unit64243916F1-34A Copyright © 2010 ADTRAN, Inc. 29For a wallmount installation, the BBU installs on heavy plywood (3/4-inch minimum) using four#10 x 3/4-inch pan-head wood screws. Install the BBU as follows:Maintenance• The BBU does not require routine maintenance for normal operation. The life expectancy of theBBU is 3 to 5 years on standby use when used at room temperature.• Excessive heat decreases battery power and life. Extreme low temperature also decreases batterycapacity. Ideal ambient temperature for battery life and capacity is 20°C.• Battery shelf life is extended in cooler temperatures.• To order replacement batteries, reference the following part number: 1975044L1 (12 V replacementbatteries).ADTRAN is an environmentally friendly company. Therefore, we encourage the proper recycling andhandling of the batteries. Federal and state laws prohibit the improper disposal of all lead acid batteries.The customer is responsible for the handling of their batteries from the day of purchase through theirultimate disposal. For more information on battery replacement and recycling, reference ADTRANdocument number 60000120-36 online at www.adtran.com. (Enter the document number in the searchfield to display a link to the document.)Instructions for Wall Mounting the 1175044L1/L2 BBUStep Action1 Determine the preferred unit layout to ensure cable plugs reach their designated sockets.2 Ensuring a plumb measurement, mark where the pilot holes are to be drilled according to thedimensions given in the documentation included with your shipment.3 Drill all four pilot holes using a size 1/16-inch drill bit.4 Screw in the top two pan-head screws that fit the keyhole openings. Let the head of eachscrew protrude 1/16 inch from the plywood to engage the keyhole slot.Do not let the weight of the BBU rest on the two keyhole screws. Maintain support until thelower two screws are fully inserted.5 Lift the BBU with an assistant and position to engage the screw heads. Allow the unit to slidedown until the slot end rests against the screws.6 Insert the two lower screws through the tabs and tighten securely.7 Use cable ties as appropriate. The battery connection from the BBU should be directlyconnected to the BATT port on the rear of the chassis.