ADTRAN T200 H2TU-R Installation And Maintenance Manual
Also see for T400: Installation and MaintenanceInstallation & maintenanceInstallation and MaintenanceInstallation and MaintenanceInstallation and Maintenance
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Contents
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61150090L1-5A Section 61150090L1-5A, Issue 1 9diameter range from 0.86 to 1.26 inches. Use care toensure correct sequence of assembly.b. Insert the O-ring evenly in the grooveprovided on the sealing grommet.c. Insert the sealing grommet up through thedesignated cable opening until the O-ring isflush with the bottom of the cabinet.d. Screw the 1 1/2 inch hex nut onto the sealinggrommet until the O-ring is snug to the bottomof the cabinet.e. Using a wrench to hold the sealing grommetsteady, use a second wrench to tighten downon the hex nut.f. Screw the compression nut onto thecompression skirt threads, leave the nut loose.g. Place the shrink-wrap over the cable, let itslide down out of the way.h. Insert the cable up through the sealinggrommet providing the correct length of cableon the inside of the cabinet for splicing.CAUTIONEnsure all grounds are securely connected tothe cabinet ground buss and the ground lugconnected to the most direct path to ground.The following procedures describe wiring connectionsfor both the stubbed and module connection models:1. Unscrew the security screws on the front andrear doors using a 7/16 inch nut driver orequivalent tool. While loosening the securityscrews, alternate between the top and bottomscrews to allow even pressure release.2. Open the door and allow the door retainer toengage. The door retainer can be disengaged bypulling up slightly on the door retainer arm.3. Manually disable both door alarm switches bycentering the rod and pulling outward.4. For pre-stubbed cabinets, the top T200/T400shelf, top surge arrestor board, and the primaryand secondary fan boards are on cable A. Thebottom T200/T400 shelf and bottom surgearrestor board are on cable B.NOTEFor non-stubbed cables, complete thefollowing three assembly procedures prior tocompleting Step 5.I. CABLE STUB ENTRYa. Verify contents of the Cable Stub Entry Kitper Table 4. The kit is located inside themounting kit.The cable sealing grommet assembly is installed in thecable opening as shown in Figure 11. The sealinggrommet can accommodate cables with an outsideTable 4. Seal Grommet KitFigure 11. Sealing Grommet Assembly1 1/2" NPT Hex NutO-RingCompressionSkirtCompressionNutCable A or B(0.86" to 1.26" OD)ShrinkWrap 6"CableSealingGrommetCabinetBottom51-0900512#tPtiKyrtnEbutSelbaCnoitpircseD ytitnauQtunnoisserpmoc/wtemmorggnilaeS 2gnir-OtemmorG 2tunxehTPN"2/11 2denil-evisehda,knirhs-taeH ae"6@2 |
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