Juniper JUNOSE 10.0.X PHYSICAL LAYER, Configuration Manual

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Alarms—Number of suspect bit patterns found in several consecutive frames
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snmp trap link-status—State of SNMP link status processing for the controller:
enabled or disabled
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alarms used for operational status calculation—Types of defects that the
router uses to determine the operational status of the interface at the path
layer
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defect trigger soaking delay—Time that the router waits to set an alarm
when the router records a defect at the path layer
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c2 byte—Setting of path signal byte: set by upper interface type (automatic
setting) or configured value
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Operational Status—Physical state of this layer: up, down, or lowerLayerDown
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time since last status change—Time since the line module was rebooted
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Framing—Type of framing configured for the controller:
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c-bit parity framing (for T3 interfaces)
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M23 multiplexer framing (for T3 interfaces)
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crc4—Cyclic redundancy check (for E1 interfaces)
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no-crc4—No cyclic redundancy check (for E1 interfaces)
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esf—Extended superframe (for T1 interfaces)
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sf—Superframe (for T1 interfaces)
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Line Code—Type of line coding the router assigned to the controller: B8ZS
or AMI
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Clock source—Type of clock source configured for the channel:
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module—Internal clock is from the line module itself
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chassis—Internal clock is from the configured router clock
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J1 transmit trace message—Trace message sent to the remote device
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J1 expected trace message—Trace message expected from the remote device
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J1 received trace message—Trace message received from the remote device
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Example 1
host1# show controllers sonet 3/0 configuration
oc12 3/0
non channelized
ifAdminStatus: up
description: link1
snmp trap link-status: enabled
alarms used for operational status calculation: LOS LOF AIS RDI
defect trigger soaking delay: 2500 milliseconds
Operational Status: up
Monitoring Interfaces
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Chapter 4: Configuring Channelized OCx/STMx Interfaces