Displaying System Information
4-7
9121-A2-GB20-20
May 1998
Message
What To Do
What It Indicates
ISDN Network Failed
(Active/ Idle)
An ISDN network failure
was detected when:
H
Active – Backup call was
in progress.
H
Idle – DBM was in Idle
mode.
Only appears when a dial
backup module (DBM) is
installed.
Contact network provider if
problem persists.
LMI Down,
interface
The Local Management
Interface is down for the
Network, Port-1, Port-2,
BRI-B1, or BRI-B2.
LMI for a BRI interface only
applies when the B-channel
is configured as the
originating device/interface
(Originate or Answer
configuration option set to
Originate).
H
See if the DLCI’s link is active
on the alternate destination
link.
– If it is, no action is required.
– If not, contact network
provider.
H
Contact network provider if
problem persists.
LOS at DSX-1
A Loss of Signal (LOS)
condition is detected on the
DSX-1 interface. Clears
when the ratio of ones to
zeros received is greater
than or equal to 12.5%.
1. DSX-1 cable problem.
2. No signal being
transmitted from the
DTE.
1. Check that the DSX-1 cable is
securely attached at both
ends.
2. Check the DTE status.
LOS at Network
A Loss of Signal (LOS)
condition is detected on the
network interface. Clears
when the ratio of ones to
zeros received is greater
than or equal to 12.5%.
1. Network cable problem.
2. No signal is being
transmitted at the far-end
access unit.
3. T1 facility problem.
1. Check that the network cable
is securely attached at both
ends.
2. Check far-end access unit
status.
3. Contact your network provider.
NAM Download Failed
A download attempt was
interrupted and failed to
complete; an invalid control
file was downloaded to the
DBM.
Download function is controlled
by and for service personnel
only.
H
Call your service
representative.
