
Introduction
Power
Module
Fan
Power
Module
Handle
| 3000 | DC | Power | 
 | 
| 
 | 
 | ||
| 
 | 
 | Module | |
| 
 | 
 | 
 | 
| 
 | Power | 
| Fan | Alarm | 
| 
 | 
Captive
ScrewsCaptive
Screws
CO Power Unit
Backplane
CO Power
Tray
Figure 1-1.  Central Office (CO) Power Unit with One Power Module
CO Power Unit
Backplane
Left
Power
Module
Fan
Power
Module
Handle
| 3000 | DC | Power | 
 | 
| 
 | 
 | ||
| 
 | 
 | Module | |
| 
 | 
 | 
 | 
| 
 | Power | 
| Fan | Alarm | 
| 
 | 
Captive
Screws
| 3000 | DC | Power | 
 | 
| 
 | 
 | ||
| 
 | 
 | Module | |
| 
 | 
 | 
 | 
Captive
Screws
| 
 | Power | 
| Fan | Alarm | 
| 
 | 
Right
Power
Module
Fan
CO Power
Power Tray
Module
Handle98-13694-01
Figure 1-2.  Central Office (CO) Power Unit with Two Power Modules
| May 1998 |