Cisco 1801W Hardware Installation Guide - Page 67

LED Indicator, State, Meaning, Corrective Action, Table 6-2 - 1801 integrated services router

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Chapter 6 Troubleshooting Reading Port and Connection LEDs Table 6-2 Port and Connection Indicators on Cisco 1800 Series Fixed-Configuration Routers LED Indicator FEx CD1 (on Cisco 1801, Cisco 1802, and Cisco 1803 routers) CD1 (on Cisco 1811 routers) LPBK2 LINK3 B13 B23 State Meaning Corrective Action Off The Ethernet interface next Ethernet is not active or is not connected. Check to the LED is not receiving Ethernet connections and make corrections as packets. necessary. Router is not configured properly. Check configuration and make corrections as necessary. Solid or blinking The Ethernet interface next green to the LED is receiving packets. Normal indication. No action is required. Off No DSL connection is Normal indication unless a DSL connection is established. required. If a DSL connection is expected, check DSL connections and make corrections as necessary. Router is not configured properly. Check configuration and make corrections as necessary. Green DSL connection is established. Normal indication. No action is required. Off No analog modem Normal indication unless a modem connection is connection is established. required. If a modem connection is expected, check modem connections and make corrections as necessary. Router is not configured properly. Check configuration and make corrections as necessary. Green Analog modem connection is Normal indication. No action is required. established. Off DSL interface is operating in Normal indication. No action is required. normal mode. Green DSL interface is in loopback - mode. Off No ISDN BRI S/T Normal indication unless an ISDN BRI connection connection is established. is required. If an ISDN BRI connection is expected, check ISDN BRI S/T connections and make corrections as necessary. Router is not configured properly. Check configuration and make corrections as necessary. Green An ISDN BRI S/T D channel Normal indication. No action is required. connection is established. Blinking green Activity on the first B channel. Indication is for information only. Blinking green Activity on the second B channel. Indication is for information only. OL-6425-03 Cisco 1800 Series Integrated Services Routers (Fixed) Hardware Installation Guide 6-5

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6-5
Cisco 1800 Series Integrated Services Routers (Fixed) Hardware Installation Guide
OL-6425-03
Chapter 6
Troubleshooting
Reading Port and Connection LEDs
Table 6-2
Port and Connection Indicators on Cisco 1800 Series Fixed-Configuration Routers
LED Indicator
State
Meaning
Corrective Action
FE
x
Off
The Ethernet interface next
to the LED is not receiving
packets.
Ethernet is not active or is not connected. Check
Ethernet connections and make corrections as
necessary.
Router is not configured properly. Check
configuration and make corrections as necessary.
Solid or blinking
green
The Ethernet interface next
to the LED is receiving
packets.
Normal indication. No action is required.
CD
1
(on Cisco 1801,
Cisco 1802, and
Cisco 1803 routers)
Off
No DSL connection is
established.
Normal indication unless a DSL connection is
required.
If a DSL connection is expected, check DSL
connections and make corrections as necessary.
Router is not configured properly. Check
configuration and make corrections as necessary.
Green
DSL connection is
established.
Normal indication. No action is required.
CD
1
(on Cisco 1811
routers)
Off
No analog modem
connection is established.
Normal indication unless a modem connection is
required.
If a modem connection is expected, check modem
connections and make corrections as necessary.
Router is not configured properly. Check
configuration and make corrections as necessary.
Green
Analog modem connection is
established.
Normal indication. No action is required.
LPBK
2
Off
DSL interface is operating in
normal mode.
Normal indication. No action is required.
Green
DSL interface is in loopback
mode.
—
LINK
3
Off
No ISDN BRI S/T
connection is established.
Normal indication unless an ISDN BRI connection
is required.
If an ISDN BRI connection is expected, check
ISDN BRI S/T connections and make corrections
as necessary.
Router is not configured properly. Check
configuration and make corrections as necessary.
Green
An ISDN BRI S/T D channel
connection is established.
Normal indication. No action is required.
B1
3
Blinking green
Activity on the first B
channel.
Indication is for information only.
B2
3
Blinking green
Activity on the second B
channel.
Indication is for information only.