Nortel 4000 安装指南
2-6
300275-D Rev. 00
Nautica Modules Installation Guide
BRI-U LED Operation
The BRI-U module has an extra green LED, located in the top
right corner of the ISDN connector. This LED has the following
operation:
right corner of the ISDN connector. This LED has the following
operation:
•
Flashes at 8 Hz (rapid flashing) for 0.5 seconds when the host
is attempting to establish a link between the BRI-U module
and the ISDN network switch.
is attempting to establish a link between the BRI-U module
and the ISDN network switch.
•
Flashes at 1 Hz (slow flashing) when a link is established and
the host is operating normally, whether or not it is sending
data.
the host is operating normally, whether or not it is sending
data.
•
Is off if the unit is not receiving a signal. This means that the
host is not connected to the telephone line or the ISDN
network switch is not responding. Contact the telephone
company if you believe the ISDN network switch is not
responding.
host is not connected to the telephone line or the ISDN
network switch is not responding. Contact the telephone
company if you believe the ISDN network switch is not
responding.
The LED should not remain on constantly. If it does, there is a
faulty electrical connection inside the host, and you should seek
technical support as follows:
faulty electrical connection inside the host, and you should seek
technical support as follows:
•
If you purchased a service contract for your Bay Networks
product from a distributor or authorized reseller, contact the
technical support staff for that distributor or reseller for
assistance.
product from a distributor or authorized reseller, contact the
technical support staff for that distributor or reseller for
assistance.
•
If you purchased a Bay Networks service program, call
1-800-2LANWAN.
1-800-2LANWAN.