Filter
Top Products
Monitoring the DSU
6-7
7612-A2-GB20-10
November 1997
The following messages appear in the first column of the System and Test Status
screen. The messages are listed from high to low priority on the screen but in
alphabetical order in Table 6-1. The highest priority Health and Status message
also appears on the bottom right of all ATI screens.
Table 6-1. Health and Status Messages (1 of 2)
Message
What Message Indicates What To Do
Cross Pair
Detection
The DDS Receive (RX) and
Transmit (TX) pairs are
crossed on the network
interface. Alarm LED is on.
Reverse the RX and TX pair at the
punchdown block or other
termination point.
Device Fail
yyyyyyyy
An internal error has been
detected by the operating
software.
yyyyyyyy
indicates
the 8-digit hexadecimal failure
code.
1. Provide the 8-digit failure code
shown (
yyyyyyyy
) to your service
representative.
2. Use the C
lear command to clear
the message.
3. Reset the DSU to clear the
condition and message.
DSU Operational The DSU is functioning
properly and there are no
status messages to display.
No action required.
Ethernet Link
Down
The DSU detects no electrical
activity on the 10BaseT port.
1. Verify that the Ethernet cable is
securely attached at both ends.
2. Contact your LAN support
technician if problem persists.
Excessive BPVs
hhh:mm:ss
1
Data rates do not match or
network trouble causing
bipolar violations. Alarm LED
is on and Network
Performance Statistics are
active.
1. Verify that the network cable is
securely attached at both ends.
2. Contact network provider if
problem persists.
3. Check line rate.
In-Band Fram Err
hhh:mm:ss
1
The IMC communication
between the local and remote
DSU is not working.
1. Verify that the remote unit has
IMC set at the same rate.
2. Contact network provider if
problem persists.
In-Band Mgmt
Channel Fail
The IMC is not operational. Enable the IMC on the remote unit.
No Signal
hhh:mm:ss
1
No signal is being received.
Local DSU network problem.
The Alarm and NS LEDs are
on and Network Performance
Statistics are active.
1. Verify that the network cable is
securely attached at both ends.
2. Contact network provider.
1
hhh:mm:ss
indicates the amount of time the condition has existed in hours, minutes,
and seconds. When the maximum time has been exceeded, 255:59:59+ appears.