Cisco 800 Series Hardware Installation Manual page 95

Chapter 1 Product Overview
Table 1-32
Number
5
6
7
8
9
LED Descriptions for the Cisco C881G-4G ISR
LED Color
SIM Green / Yellow
(one green blink
followed by two
yellow blinks)
Yellow / Green
(one yellow
blink followed
by two green
blinks)
Off / Green (two
green blinks
and then a
pause)
Green / Off
(slow blink
once and then a
pause)
Off / Off
VPN Green
FE LAN Green
Port Links
Status
GPS Green (solid)
Green (slow
blinking)
Yellow (solid)
Yellow (slow
blinking)
Off
Received Green (solid)
Signal
Green (three
Strength
blinks and then
Indication
a long pause)
(RSSI)
Green (two
blinks and then
a long pause)
Green (one
blink and then a
long pause)
Off
Description
SIM in slot 0 is active, SIM in slot 1 is not.
SIM in slot 1 active, SIM in slot 0 is not.
No SIM in slot 0, SIM present in slot 1.
SIM is present in slot0, no SIM in slot 1.
No SIM present in either slots.
On—VPN is connected.
On—Ethernet port is connected.
Blinking—Data is either being received or being
transmitted.
Off—Ethernet port is not connected.
Standalone GPS.
GPS is acquiring signals.
Assisted GPS.
Assisted GPS is acquiring signals.
GPS is not configured.
Very strong signal.
Strong signal.
Fair signal.
Marginal signal.
No signal.
Cisco Integrated Services Router Hardware Installation Guide
Cisco 860, 880, 890 Series
1-75