
and when the router completes the
self−test procedure and begins to
operate.
PHONE 1, 2,
3, 4
Green
On when basic telephone service is in
use. Blinks during call setup or during a
ring. Off when onhook.
ADSL CD
Green
On when the ADSL device is connected.
Blinks when the connection has a
problem.
ADSL RXD
Green
Blinks when an ADSL port receives
data.
ADSL TXD
Green Blinks when an ADSL port sends data.
ETHERNET
1
Green
On when an Ethernet device is
connected. Blinks when the connection
has a problem.
ETHERNET
RXD
Green
Blinks when an Ethernet port receives a
packet.
ETHERNET
TXD
Green
Blinks when an Ethernet port sends a
packet.
Cisco 827 LED Descriptions
LED
Color Function
OK LED
Green
On when power is supplied to the router
and when the router completes the
self−test procedure and begins to
operate.
ADSL CD
Green
On when the ADSL device is physically
connected. Blinks when the connection
has a problem.
ADSL RXD
Green
Blinks when an ADSL port receives
data.
ADSL TXD
Green Blinks when an ADSL port sends data.
ETHERNET
1
Green
On when Ethernet device is connected.
Blinks when the connection has a
problem.
ETHERNET
RXD
Green
Blinks when an Ethernet port receives a
packet.
ETHERNET
TXD
Green
Blinks when an Ethernet port sends a
packet.
Cisco − DSL Modem/Router Interface Pinouts and Status LED Descriptions
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