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Cisco Integrated Services Router Hardware Installation Guide
Chapter 1 Product Overview
Cisco 860, 880, 890 Series
8 SIM Green / Yellow
(one green blink
followed by two
yellow blinks)
SIM in slot 0 is active, SIM in slot 1 is not.
Yellow / Green
(one yellow blink
followed by two
green blinks)
SIM in slot 1 is active, SIM in slot 0 is not.
Off / Green (two
green blinks and
then a pause)
No SIM in slot 0, SIM present in slot 1.
Green / Off (slow
green blink once
and then a pause)
SIM is present in slot0, no SIM in slot 1.
Off / Off No SIM present in either slots.
9 Service Green (Solid) Service is active and the corresponding LED is lit based
on the service level which is active (2G, 3G, 3.5G, 3.7G,
LTE).
Off No service.
10 RSSI Green (solid) Very strong signal.
Green (three
blinks and then a
long pause)
Strong signal.
Green (two blinks
and then a long
pause)
Fair signal.
Green (one blink
and then a long
pause)
Marginal signal.
Off No signal.
11 GPS Green (solid) Standalone GPS.
Green (slow
blinking)
GPS is acquiring signals.
Yellow (solid) Assisted GPS.
Yellow (slow
blinking)
Assisted GPS is acquiring signals.
Off GPS is not configured.
Table 1-37 LED Descriptions for the Cisco C899G-LTE ISR (continued)
Number LED Color Description