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Cisco Integrated Services Router Hardware Installation Guide
Chapter 1 Product Overview
Cisco 810 Series
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
then a long pause)
Signal <= –60 to 74 dBm
Strong signal
Green (two blinks and
then a long pause)
Signal <= –75 to –89 dBm
Fair signal
Green (one blink and
then a long pause)
Signal <= –90 to –109 dBm
Marginal signal
Off Signal <= –110 dBm
Unusable signal
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 single
green blink and then a
pause)
SIM present in slot 0, no SIM in slot 1.
Off / Off No SIM present in either slots.
Table 1-10 4G LTE LED Descriptions (continued)
LED Color Description
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