26Chapter 1 Cables and power
LEDs
This section describes the LEDs on the front panel of the VPN Router 1750 and on the interface cards that use LEDs. You can confirm that you properly connect the LAN and WAN interface cables by examining the LEDs.
Front panel LEDs
The front panel of the VPN Router 1750 has a lighted Nortel logo and two LEDs as shown in the following figure. These LEDs indicate the status of the VPN Router 1750.
Figure 2 Front panel LEDs
Alert 
Boot/Ready 
Power
Alert
Boot/Ready
CS160013A
The following table describes the LEDs on the VPN Router 1750 front panel.
Table 3 Front panel LED indicators
LED | Indicator | Description | |
|
|
| |
Power (Nortel | On | The gateway receives AC power. | |
logo) |
|
| |
Off | The gateway does not receive AC power. | ||
| |||
|
|
| |
Alert | Yellow | A nonfatal alarm condition exists. The health check | |
|
| display describes the yellow alert condition. | |
|
|
| |
| Red | A serious alarm condition exists that requires attention. | |
|
| A red alert usually indicates a hardware error. The health | |
|
| check display describes the red alert condition. | |
|
|
| |
Boot/Ready | Yellow | The gateway is starting and is in a nonready state. | |
|
|
| |
| Green | The boot process is complete, and the gateway is in a | |
|
| state of readiness. | |
|
|
|
For more information about the health check, event log, and system log, see Nortel VPN Router Troubleshooting — Server