Chapter 1 Product Overview

Hardware Features

Table 1-7describes the 4G LTE LEDs for the Cisco 819 ISR.

Table 1-7

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 > –60 dBm

 

 

 

Very strong signal

 

 

 

 

 

 

Green (three blinks and

Signal <= –60 to 74 dBm

 

 

then a long pause)

Strong signal

 

 

 

 

 

 

 

 

 

Green (two blinks and

Signal <= –75 to –89 dBm

 

 

then a long pause)

Fair signal

 

 

 

 

 

 

 

 

 

Green (one blink and

Signal <= –90 to –109 dBm

 

 

then a long pause)

Marginal signal

 

 

 

 

 

 

 

 

 

Off

Signal <= –110 dBm

 

 

 

Unusable signal

 

 

 

 

 

Cisco 819 Integrated Services Router Hardware Installation Guide

1-16

OL-23125-02

Page 34
Image 34
Cisco Systems C819G4GAK9, C819GUK9, C819HK9 manual 7describes the 4G LTE LEDs for the Cisco 819 ISR