
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 11/2" 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" |
|
1.0" | 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.
2.Tighten the two bolts using a 7/16" nut driver to 25
Power Modules in the central office should be removed or and maintenance of the T400 Single EnvironmentalHousing. AppropriateMethods 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.Connect the wiring in the terminal blocks as shown in Table A. The terminal block will accommodate a #6 Spade Lug.
Mounting |
Holes |
5 3/8 " |
3/4" |
43/16 " |
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 7/16" nut driver. Tighten to 20
Customer Wiring
1.Remove the customer cover on the base using a
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
5 | 15 | 49 55 NC | 7 | 13 | 41 47 | 11 |
CUSTOMER ACCESS |
|
| WARNING! |
| ||
| COVER TO BE | |||||
|
|
| REMOVED BY TELEPHONE | |||
|
|
| COMPANY PERSONNEL | |||
NETWORK INTERFACE DEVICE |
|
| ONLY |
|
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 7/16" nut driver.
2 |
| Section |