Download Manual - Optimum Data Inc.

Operation and Maintenance
Table 10-6. Health and Status Messages (4 of 5)
Message
What It Indicates
LOS at Network 1
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%.
LOS at DSX-1
1. Network cable problem.
1. Check that the network cable
is securely attached at both
ends.
2. T1 facility problem.
2. Contact your network provider.
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%.
NAM Download Failed
1. DSX-1 cable problem.
1. Check that the DSX-1 cable is
securely attached at both
ends.
2. No signal being
transmitted from the
DTE.
2. Check the DTE status.
A download attempt was
interrupted and failed to
complete.
H Retry downloading.
H Contact service
representative.
NAM Fail appears on
The FrameSaver unit
the System Health and detects an internal
Status screen.
hardware failure.
Record the 8-digit code from the
System Health and Status
screen, then contact your service
representative.
Network Com Link
Down
The communication link for
the COM port is down, and
the COM port is configured
for Net Link.
Check the router connected to
the COM port.
OOF at DSX-1
An Out of Frame (OOF)
condition is detected on the
DSX-1 interface.
Cleared when a reframe occurs.
1. Incompatible framing
format between the DTE
and the FrameSaver
unit.
1. Check that the framing format
for the DSX-1 (DTE) interface
is correct.
2. DSX-1 cabling problem.
10-16
What To Do
May 1999 - Preliminary
2. Check that the DSX-1 cable is
securely attached at both
ends.
9124-A2-GH30-00