Cisco 819 Installation Manual page 34

Hardware Features
Table 1-7
Table 1-7
LED
SYS
ACT
WWAN
GPS
RSSI
Cisco 819 Integrated Services Router Hardware Installation Guide
1-16
describes the 4G LTE LEDs for the Cisco 819 ISR.
4G LTE LED Descriptions
Color
Yellow
Green (blinking)
Green (solid)
Green (four blinks
during bootup)
Off
Green
Off
Green
Green (slow blinking)
Green (fast blinking)
Off
Green (solid)
Green (slow blinking)
Yellow (solid
Yellow (slow blinking)
Off
Green (solid)
Green (three blinks and
then a long pause)
Green (two blinks and
then a long pause)
Green (one blink and
then a long pause)
Off
Description
FPGA download is complete.
ROMMON is operational.
IOS is operational.
Reset button has been pushed during the bootup.
After powering up, when FPGA is being downloaded (in
ROMMON).
Network activity on FE Switch ports, GE WAN port, 3G
cellular interface, and serial interfaces.
No network connectivity.
Module is powered on and connected but not
transmitting or receiving.
Module is powered on and searching for connection.
Module is transmitting or receiving.
Module is not powered.
Standalone GPS.
GPS is acquiring.
Assisted GPS.
Assisted GPS is acquiring.
GPS is not configured.
Signal > –60 dBm
Very strong signal
Signal <= –60 to 74 dBm
Strong signal
Signal <= –75 to –89 dBm
Fair signal
Signal <= –90 to –109 dBm
Marginal signal
Signal <= –110 dBm
Unusable signal
Chapter 1 Product Overview
OL-23125-02