Chapter 1 Product Overview
Hardware Features
Table 1-7 describes the 4G LTE LEDs for the Cisco 819 ISR.
Table | 4G LTE LED Descriptions |
| |
|
|
|
|
LED |
| Color | Description |
|
|
|
|
SYS |
| Yellow | FPGA download is complete. |
|
|
|
|
|
| Green (blinking) | ROMMON is operational. |
|
|
|
|
|
| Green (solid) | IOS is operational. |
|
|
|
|
|
| Green (four blinks | Reset button has been pushed during the bootup. |
|
| during bootup) |
|
|
|
|
|
|
| Off | After powering up, when FPGA is being downloaded (in |
|
|
| ROMMON). |
|
|
|
|
ACT |
| Green | Network activity on FE Switch ports, GE WAN port, 3G |
|
|
| cellular interface, and serial interfaces. |
|
|
|
|
|
| Off | No network connectivity. |
|
|
|
|
WWAN |
| Green | Module is powered on and connected but not |
|
|
| transmitting or receiving. |
|
|
|
|
|
| Green (slow blinking) | Module is powered on and searching for connection. |
|
|
|
|
|
| Green (fast blinking) | Module is transmitting or receiving. |
|
|
|
|
|
| Off | Module is not powered. |
|
|
|
|
GPS |
| Green (solid) | Standalone GPS. |
|
|
|
|
|
| Green (slow blinking) | GPS is acquiring. |
|
|
|
|
|
| Yellow (solid | Assisted GPS. |
|
|
|
|
|
| Yellow (slow blinking) | Assisted GPS is acquiring. |
|
|
|
|
|
| Off | GPS is not configured. |
|
|
|
|
RSSI |
| Green (solid) | Signal > |
|
|
| Very strong signal |
|
|
|
|
|
| Green (three blinks and | Signal <= |
|
| then a long pause) | Strong signal |
|
|
| |
|
|
|
|
|
| Green (two blinks and | Signal <= |
|
| then a long pause) | Fair signal |
|
|
| |
|
|
|
|
|
| Green (one blink and | Signal <= |
|
| then a long pause) | Marginal signal |
|
|
| |
|
|
|
|
|
| Off | Signal <= |
|
|
| Unusable signal |
|
|
|
|
| Cisco 819 Integrated Services Router Hardware Installation Guide |