Nortel BayStack 820 Installation And Reference Manual page 47

Table 2-2
router.
Table 2-2.
Label
Power/U or
Power S/T
Collision
B1
B2
A
B
1, 2, 3, or
4/Uplink
206901-A
describes the possible status of each LED on the front panel of the
Front Panel LED Status
Appearance
Solid Green and
Flashing Orange
Solid Green
Orange
Off
Solid Green
Off
Solid Yellow
Solid Green
Flashing Green
Off
Solid Green
Flashing Green
Off
Solid Green
Flashing Green
Off
Solid Green
Flashing Green
Off
Solid Yellow
Flashing Yellow
Solid Green
Flashing Green
Flashing Yellow
and Green
Description
The router is synching.
The router has synched and is working properly.
The U interface or S/T interface has no line.
The router has no power.
There is a network collision.
There are no network collisions.
A FIFO error occurred.
An ISDN call is active on the B1 channel.
Router is passing data on the B1 channel.
There is no call on the B1 channel.
An ISDN call is active on the B2 channel.
Router is passing data on the B2 channel.
There is no call on the B2 channel.
A POTS call is active on phone/fax line A.
A POTS call is ringing phone/fax line A.
There is no activity on phone/fax line A.
A POTS call is active on phone/fax line B.
A POTS call is ringing phone/fax line B.
There is no activity on phone/fax line B.
A device (or hub) is attached to the Ethernet port and
the router is ready to service the client.
A packet is transmitting over the Ethernet connection.
A polarity reverse error occurred.
A packet is being received over the Ethernet
connection.
A partition out error occurred.
Installing the Router
2-3