|
|
|
|
|
|
| Installing a D3LX CO Module in an LEC | ||||
|
|
|
| Use #1 mounting slots for working D3LX units |
|
|
|
| |||
|
|
|
| Use #3 mounting slots for protect D3LX units |
|
|
|
| |||
|
|
|
| ||||||||
|
|
|
| ||||||||
|
|
|
|
|
|
|
|
| SCU APU | ||
| 1 |
| 2 |
| 3 | 4 | 5 | 6 | 7 |
|
|
|
|
|
|
|
|
|
|
|
| S |
|
|
|
|
|
|
|
|
|
|
| C |
|
| D3LX CO |
| D3LX CO |
|
|
|
|
|
| U |
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
| STATUS | CR |
| STATUS |
| STATUS |
|
|
|
|
| O ETH | MJ | |
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
| S | X.25 |
|
| FAR END |
| FAR END |
|
|
|
|
| S |
| |
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
| MN |
| DS3 STATUS |
| DS3 STATUS |
|
|
|
|
|
|
|
|
| R=FAULT |
| R=FAULT |
|
|
|
|
| C |
|
|
| G=O.K. |
| G=O.K. |
|
|
|
|
|
|
| |
| ENABLE FLASH=LBK |
| ENABLE FLASH=LBK |
|
|
|
|
| R |
|
|
| OFF=UNEQPP |
| OFF=UNEQPP |
|
|
|
|
| A |
|
|
| DS3 ONLINE |
| DS3 ONLINE |
|
|
|
|
| F |
| ACO |
|
|
|
|
|
|
| T |
|
| ||
| G=ONLINE |
| G=ONLINE |
|
|
|
|
|
|
|
|
| R=LINELOCK |
| R=LINELOCK |
|
|
|
|
|
|
| PWR |
OPT | FAIL OFF=OFFLINE |
| FAIL OFF=OFFLINE |
|
|
|
|
|
|
|
|
| BER | OPT | BER |
|
|
|
|
|
|
|
|
APS | LOCKOUT |
| LOCKOUT |
|
|
|
|
|
| RESET | HSKP |
| FORCE | APS | FORCE |
|
|
|
|
|
|
|
|
| LMPTST/ |
| LMPTST/ |
|
|
|
|
|
|
| RMT |
| APS |
| APS |
|
|
|
|
|
|
|
|
| RESET |
| RESET |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| DISP RMT |
|
|
|
|
|
|
|
|
|
|
| LMPTST |
D3LX
Working unit
D3LX
Protect unit
Figure 6. D3LX Module Locations in Loop Extender Chassis
6Remove a new module from its protective ESD packaging. If the module is installed, remove it and inspect for physical damage.
7Align the module with the slot and slide the module into the chassis until about 3 inches protrude from the front of the chassis as shown in Figure 7 on page 12. Do not seat module in connector at this time.
8Remove the protective dust cap from the connector on the D3LX CO module.
D3LX CO and RMT Modules | August 30, 2002 | 11 |