Paradyne 9161 User Manual page 163

Zhone 9161 mux: user guide
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9161-A2-GH30-40
Table 7-2. Health and Status Messages (4 of 5)
Message
What It Indicates
64KCC Loop OOF,
An Out of Frame (OOF)
Slot ss Port p
condition has been detected
for the identified OCU-DP
interface.
DDS Net Failure, Slot
The identified OCU-DP
ss Port p, cccccc
interface is receiving a DDS
network code of cccccc from
the network. This is a 6-bit
code representing bits 2–7 of
the DS0 code defined in AT&T
PUB 62310. The least
significant bit is to the left.
Loss of Loop Timing,
The identified OCU-DP
Slot ss Port p, cccccc
interface cannot recover
timing from the received signal
on the local loop. This typically
occurs when the CPE
CSU/DSU is misconfigured for
the wrong rate (e.g., 19.2
kbps) when the OCU-DP is
configured for 56K or
Switched 56 operation.
Primary Clock Failed
A failure of the primary clock
source configured for the NAM
is detected and the secondary
clock is providing the timing
for the NAM. This condition
clears when the configured
primary clock is restored.
Secondary Clock
A failure of the secondary
Failed
clock source configured for the
NAM is detected and the
internal clock is providing the
timing for the NAM. The clock
source will not automatically
switch from internal until the
primary clock source returns.
Network Com Link
The network communication
Down
link is down for the COM port.
This condition occurs only
when the COM port is
configured for Net Link and
communications between the
management system and the
T1 access unit is not currently
possible for the port.
April 1999
Displaying System Information
What To Do
1. Check the that DSU is
configured for the correct
speed.
2. Check the cable to ensure
that the pairs are not
crossed.
Contact the DDS service
provider.
Check that the CPE CSU/DSU
rate matches the OCU-DP
rate.
1. If the primary clock was
derived from the network,
contact the network
provider.
2. Check the clock source
connector.
1. If the secondary clock was
derived from the network,
contact the network
provider.
2. Check the clock source
connector.
1. Check that the Port Use
configuration option is
properly set.
2. Check cables.
7-21

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