ADTRAN T400 19 User Manual

C A U T I O N !

CUSTOMER ACCESS

NETWORK INTERFACE DEVICE

WARNING!

COVER TO BE

REMOVED BY TELEPHONE

COMPANY PERSONNEL

ONLY

SUBJECT TO ELECTROSTATIC DAMAGE

PRACTICES

OR DECREASE IN RELIABILITY.

HANDLING PRECAUTIONS REQUIRED.

T400 SINGLE ENVIRONMENTAL HOUSING

INSTALLATION/MAINTENANCE

1. GENERAL............................................................... 1

2. INSTALLATION ...................................................... 1

3. REPLACEMENT PARTS ....................................... 4

4. MAINTENANCE ..................................................... 4

5. WARRANTY AND CUSTOMER SERVICE ........... 4

FIGURES

Figure 1. T400 Single Environmental Housing ............ 1

Figure 2. Clearances .................................................... 2

Figure 3. Mounting Holes ............................................. 2

Figure 4. Wiring Terminals ........................................... 2

Figure 5. T400 Environmental Housing Assembly....... 3

Figure 6. Surge Arrestors and the

Insertion/Extraction Tool ............................... 3

TABLES

Table A. Wiring ............................................................. 3

Section 61150.087L1-5

Issue 1, August 1996

CLEI Code # DDMOJHD1 _ _

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 following:

• Houses one of the following circuit packs: FNID, BRIDLE-R, HTU-R, HRE, or Total Reach

• Seals the T400 circuit packs from the environment

• Allows separate, unsealed access to the customer and network wiring

• Mounts above ground to a pole or wall

• Compact T400 Environmental Housing - 9" High x

3/4

" Deep x 8

5/8

" Wide, 2.6 lb. with mounting

bracket

• Four replaceable gas-tube surge arrestors that

provide primary lighting protection

Figure 1. T400 Single Environmental Housing

2. INSTALLATION

The T400 Environmental Housing consists of a base, cover, O-ring, mounting bolts for the base, mounting bracket, lag screws and spacers for the mounting bracket. See Figures 2, 3, 4 and 5.

The T400 Single Environmental Housing is designed for above ground only mounting. Never install telephone wiring during a lightning storm.

Install Mounting Bracket

1. Clearances between the T400 Environmental Housing and adjacent structures must be observed

1Section 61150087L1-5, Issue 161150.087L1-5A

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 1

1/2

" Hex head lag screws through the mounting holes of the mounting bracket and spacers. Tighten securely with a 7/16" nut driver.

Mounting

Holes

3/8

5 "

9.0"

8.5"

1.0"

6.0"

Figure 2. Clearances

Install the T400 Environmental Housing

1. Fasten the Environmental Housing to the mounting bracket using the two mounting bracket bolts.

3/4

3/16

4 "

Figure 3. Mounting Holes

3. Connect the ground cable to an appropriate ground. (Surge arrestors work only when the ground cable is connected.)

4. Replace the network cover on the base using a

/16" nut driver. Tighten to 20 in-lbs.

Customer Wiring

1. Remove the customer cover on the base using a flat-head screwdriver.

2. Connect the wiring in the terminal blocks as shown in Table A. The terminal block will accommodate a #6 Spade Lug. The terminal blocks are shown in Figure 4.

3. Replace the customer cover on the base using a flat-head screwdriver.

2. Tighten the two bolts using a 7/16" nut driver to 25 in-lbs.

Power Modules in the central office should be removed or de-energized prior to installation

5 15 49 55 NC

7 13 41 47 11

and maintenance of the T400 Single Environmental Housing. Appropriate Methods and Procedures should be followed to insure personal safety.

CUSTOMER ACCESS

NETWORK INTERFACE DEVICE

WARNING!

COVER TO BE

REMOVED BY TELEPHONE

COMPANY PERSONNEL

ONLY

Network Wiring

Figure 4. Wiring Terminals

1. Remove the network cover on the base using a 7/16" nut driver.

2. Connect the wiring in the terminal blocks as shown

Remove the Environmental Housing Cover

1. Wipe any debris from the cover and base.

in Table A. The terminal block will accommodate a #6 Spade Lug.

2. Remove the two housing cover bolts using a 7/16" nut driver.

2 Section 61150087L1-5, Issue 1 61150.087L1-5A

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