NU
The QUATRA 4000 NU has ten (10) LEDs on the front of the unit, used as status indicators, during setup and normal operation. The LEDs are labeled.
Figure 14. NU LEDs
The LEDs on the front of the QUATRA 4000 function as follows:
| LED Label | LED State | Meaning |
|---|---|---|
| POWER | NO LIGHT | No power |
| SOLID GREEN | Powered and operating normally | |
| FLASHING GREEN | Scanning to acquire network signals | |
| SOLID RED | Hardware error | |
| FLASHING RED | Error | |
| CU1, CU2, CU3, CU4, CU5, CU6 | NO LIGHT | Not connected properly, no power |
| SOLID GREEN | Connected, powered and operating normally | |
| SFP+ | SOLID GREEN | SFP+ module installed, and communicating properly |
| FLASHING GREEN | SFP+ module installed, not communicating | |
| LAN | SOLID GREEN | Link is up |
| FLASHING GREEN | Link is up and active | |
| MODEM | SOLID GREEN | Modem is installed, connected, and has an IP address |
| FLASHING GREEN | Modem is attempting to connect | |
| FLASHING RED | Modem error |
CU
Each QUATRA 4000 CU has three (3) LEDs on the front of the unit, used as status indicators, during setup and normal operation. The LEDs are labeled.
Figure 15. CU LEDs
The meaning for each LED on the CU is shown in the table below.
| LED Label | LED State | Meaning |
|---|---|---|
| POWER | NO LIGHT | No power |
| SOLID GREEN | Powered and operating normally | |
| FLASHING GREEN | Network scanning | |
| SOLID RED | Hardware error | |
| FLASHING RED | Error | |
| NU LINK | NO LIGHT | Logical Link: Down |
| SOLID GREEN | Logical Link: Up | |
| CABLE LINK | NO LIGHT | Physical Link: Down |
| SOLID GREEN | Physical Link: Up |