ADTRAN Total Access 3000 Installation And Maintenance Manual

Also see for Total Access 3000: Installation and Maintenance Manual Installation and maintenance practice Installation and maintenance practice Installation and maintenance practice

ADTRAN Total Access 3000 Installation And Maintenance Manual Manual pdf 11 page image

Introduction64192MB3K2LX-1B 5Battery ChamberThe vented and isolated Battery Chamber under the Equipment Chamber is accessed byopening the Equipment Chamber door to expose the battery access panel hold down bolts.After removing these bolts, the access panel can be lifted away exposing the customerprovided battery string. The Battery Chamber can hold one 4-battery string of rechargeable12-volt series connected batteries designed for 150 Ahr of duty. Battery terminals are frontmounted. For Battery Chamber features and battery installation, refer to “Chapter 5, DCPower” in Emerson document 631-205-071.Battery WarmerThe battery tray in the Battery Chamber is equipped with a battery heater that is separatelypowered from dual 15-amp circuit breakers in the AC Load Center. A controller turns theheater on at temperatures below 40°F and off at temperatures above 60°F.Wire Ingress AreaAdjacent to the Battery Chamber under the End Chamber are the various grommets and cablesleeve cones and nozzles for cabinet wiring ingress.Rear Panel and Heat ExchangerThe cabinet is equipped with a heat exchanger climate control system managed by the ECC.The ECC is an intelligent system used to sense, control, and report the internal climate of thecabinet. The ECC monitors thermistor input, heat exchanger fans, and ECC alarm outputs forhigh temperature, intrusion, and system failures. For more information on the ECC refer to“Section 6, Environmental Control Card” of Emerson document 631-205-071.The rear panel of the cabinet houses the 800 watt heat exchanger and has air intake andexhaust ducts for exchanging cooling air through the heat exchanger. The counter-flow heatexchanger isolates outside air from the cabinet interior. A fan at the top of the EquipmentChamber moves interior air down a duct and through the heat exchanger. The cooled airexhausts at the bottom of the duct into the chamber to cycle up through the components backto the top of the chamber. A separate fan moves outside air through a filter and up throughthe heat exchanger thereby cooling the internally circulated air. Both cabinet heat exchangerfans are independent of one another and are separately DC powered and controlled from theECC. The Total Access 23-Inch Fan Module Assembly provides additional cooling and airmovement for the stacked Total Access 3000 shelves. The 23-Inch Fan Module Assembly isDC powered from the Valere Power System.Standards ComplianceThe Hi-Cap RT Solution cabinet is designed to meet all applicable standards includingTelcordia GR-487-CORE, Issue 2, March 2000 Generic Requirements for Electronic EquipmentEnclosures. For more information, refer to Emerson Document 631-205-071.