ADTRAN T400 19 User's Manual
Contents
1. A WARNING TOBE REMOVED BY TELEPHONE COMPANY PERSONNEL CUSTOMER ACCESS NETWORK INTERFACE DEVICE Figure 4 Wiring Terminals Remove the Environmental Housing Cover 1 Wipe any debris from the cover and base 2 Remove the two housing cover bolts using a nut driver 2 ADRAN Section 61150087L1 5 Issue 1 61150 087L1 5A Table A Wiring Pins ISDN BRIDLE R ISDN TR R HDSL FNID HDSL HRE HDSL HTU R 5 15 Customer NC To Customer Customer Loop 1 To Customer 7 13 Network Loop 1 NC Network Network Loop 1 Network Loop 1 11 GND GND GND GND GND 41 47 Network Loop 2 Network NC Network Loop 2 Network Loop 2 49 55 NC Customer NT1 From Customer Customer Loop 2 From Customer 3 Remove the cover from the housing base Handle the circuit packs only by the front CAUTION Panel handle Take care to avoid the sharp exposed pins on the front and back sides of the circuit packs during installation and maintenance Insert the circuit pack aligning the goldfingers on the circuit pack with the connector inside the environmental housing in the wired slot Place the Cover on the Base 1 Verify that the cover assembly O ring is properly placed around the cover and is free of debris before replacing the cover _ Rptr Case Cover2. A O ring Ilo _ Rptr Base Mounting Case Bolts Bracket Mounting Bolts Figure 5 T400 Environmental Housing Assembly 2 Place the cover on the base 3 Tighten the two bolts using a nut driver to 20 in Ibs To Replace Surge Arrestors 1 Unseatthe appropriate powering modules located in the central office before replacing surge arrestors inside the T400 single environmental housing This removes power from the wires and pins 2 After cleaning debris from the cover and base remove the environmental housing cover 3 Remove the circuit pack 4 Using the insertion extraction tool grasp and remove a surge arrestor See Figure 6 Figure 6 Surge Arrestors and the Insertion Extraction Tool 5 Place a replacement surge arrestor in the same position 6 Replace the remaining surge arrestors in the same manner 7 Reseatthe powering modules at the central office 61150 087L1 5A Section 61150087L1 5 Issue 1 ADRAN 3 8 Perform a circuit test to verify proper circuit operation 9 Replace the cover assembly O ring if it has not been replaced within the last 90 days 10 Reattach the cover on the base 3 REPLACEMENT PARTS The environmental housing contains surge arrestors and an O ring which can be ordered for replacement as follows Part number 1150083L1 4 surge arrestors and the insertion extraction tool
3. Part number 3273 010 Oring 4 MAINTENANCE The T400 Single Environmental Housing requires no routine maintenance to function properly Electrical shock can occur if surge RNING arrestor replacement is attempted W before removing the powering modules In cases where lightning is the suspected cause of circuit pack failure ADTRAN recommends replacing all surge arrestors within the environmental housing The surge arrestors are field replaceable as detailed in section 2 The cover assembly O ring should be replaced if entry is gained and the O ring has been in place for 90 days or longer 5 WARRANTY AND CUSTOMER SERVICE ADTRAN will replace or repair this product within ten years from the date of shipment if the product does not meet its published specifications or if it fails while in service For detailed warranty repair and return information refer to the ADTRAN Equipment Warranty and Return Policy and Procedure Return Material Authorization RMA is required prior to returning equipment to ADTRAN ADTRAN does not recommend that repairs be performed in the field For service RMA requests or further information contact one of the following numbers ADTRAN Customer Service Applications Engineering pre sales support and inquiries Technical Support 800 726 8663 post sales have unit serial number available Sales 800 827 0807 RMA Repair Service 205 971 8722 800 615 1176 Repair and Return A
4. i Mounting Holes an I T I L 4316 Figure 2 Clearances Install the T400 Environmental Housing 1 Fasten the Environmental Housing to the mounting bracket using the two mounting bracket bolts 2 Tighten the two bolts using a nut driver to 25 in lbs Power Modules in the central office should be removed or de energized prior to installation CAUTION and maintenance of the T400 Single Environmental Housing Appropriate Methods and Procedures should be followed to insure personal safety Network Wiring 1 Remove the network cover on the base using a 7 16 nut driver 2 Connectthe wiring in the terminal blocks as shown in Table A The terminal block will accommodate a 6 Spade Lug Figure 3 Mounting Holes 3 Connect the ground cable to an appropriate ground Surge arrestors work only when the ground cable is connected Replace the network cover on the base using a The nut driver Tighten to 20 in lbs Customer Wiring 1 Remove the customer cover on the base using a flat head screwdriver Connect the wiring inthe terminal blocks as shown in Table A The terminal block will accommodate a 6 Spade Lug The terminal blocks are shown in Figure 4 Replace the customer cover on the base using a flat head screwdriver aeaa 5 15 49 55 NC Hedda HCE 7 13 4 47 11 6
5. ADRAN CAUTION Section 61150 087L1 5 SUBJECT TO ELECTROSTATIC DAMAGE Issue 1 Aug ust 1996 OR DECREASE IN RELIABILITY PRACTICES HANDLING PRECAUTIONS REQUIRED CLEI Code DDMOJHD1 __ T400 SINGLE ENVIRONMENTAL HOUSING INSTALLATION MAINTENANCE CONTENTS Ty GENERAL cietes ainina a wanted netted aaa 1 24 INSTALLATION iiipin otrese 1 3 REPLACEMENT PARTS oseese 4 4 MAINTENANCE 1 0 ccc eeeceeeceeeeeeeeeeeeeeeeteeeeeneeeeaees 4 5 WARRANTY AND CUSTOMER SERVICE 4 FIGURES Figure 1 T400 Single Environmental Housing 1 Figure 2 Clearances ccceeecceseseeeeeeeseeeteeeeteaeeeeeeeee 2 Figure 3 Mounting Holes n se 2 Figure 4 Wiring Terminals eeen 2 Figure 5 T400 Environmental Housing Assembly 3 Figure 6 Surge Arrestors and the Insertion Extraction Tool luesen 3 TABLES Table A WiriNg aiteanna aia gea 3 1 GENERAL This practice provides installation and maintenance information for the ADTRAN T400 Single Environmental Housing part number 1150087L1 Figure 1 is a view of the T400 Single Environmental Housing Features The basic features of the T400 Single Environmental Housing part number 1150087L1 include the 2 INSTALLATION following Figure 1 T400 Single Environmental Housing Houses one of the following circuit packs FNID The T400 Envi
6. ddress ADTRAN Inc Customer Service Department 901 Explorer Boulevard Huntsville Alabama 35806 2807 Section 61150087L1 5 Issue 1 61150 087L1 5A
7. ronmental Housing consists of a base BRIDLE R HTU R HRE or Total Reach cover O ring mounting bolts for the base mounting bracket lag screws and spacers for the mounting Seals the T400 circuit packs from the environment bracket See Figures 2 3 4 and 5 Allows separate unsealed access to the customer ie The T400 Single Environmental and network wiring lt Ni NG Housing is designed for above W ant ground only mounting Never install telephone wiring during a lightning Mounts above ground to a pole or wall e Compact T400 Environmental Housing 9 High x storm 3 3 Deep x 85 Wide 2 6 Ib with mounting bracket Install Mounting Bracket e Four replaceable gas tube surge arrestors that 1 Clearances between the T400 Environmental provide primary lighting protection Housing and adjacent structures must be observed 61150 087L1 5A 1 for access during maintenance Note clearances required for removing the Environmental Housing See Figure 2 for mounting clearances 2 Place the mounting bracket 3 4 spacers between the rear of the mounting bracket and the mounting surface The spacers are required to insure the mounting bracket is not warped during installation or use 3 Insert the 1 4 x 12 Hex head lag screws through the mounting holes of the mounting bracket and spacers Tighten securely with a 7 16 nut driver 9 0 8 5 l
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