Cisco 15216 EDFA2 Specifications Page 81

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5-19
Cisco ONS 15216 EDFA2 Operations Guide
78-16033-01
Chapter 5 SNMP MIB Installation and Configuration
Tables and Groups
5.4.6 AlarmEntry Table
The cerent15216EdfaAlarmEntry table is used to display alarm status. The associated table command
provides a summary of all alarms. Table 5-11describes the cerent15216EdfaAlarmEntry table variables.
cerent15216EdfaPumpStatusDCVoltage Integer (0 to
9999)
Read-only DC voltage (*10V)
cerent15216EdfaPumpStatusInPoweruW Integer (0 to
99999)
Read-only Input power (*10
microW)
cerent15216EdfaPumpStatusInPowerdBm Integer
(–999999 to
999999)
Read-only Input power (*100
dBm)
cerent15216EdfaPumpStatusOutPowermW Integer (0 to
999999)
Read-only Output power (*100
mW)
cerent15216EdfaPumpStatusOutPowerdBm Integer
(–99999 to
99999)
Read-only Output power (*100
dBm)
cerent15216EdfaPumpStatusGain
1
Integer (–9999
to 9999)
Read-only Gain (*10 dB)
1. The value of the cerent15216EdfaPumpStatusGain variable should always be around 23 dB. This variable is the internal
amplifier module gain. The cerent15216EdfaPumpStatusGain variable should not be confused with the
cerent15216EdfaConstGainOverallGain variable that is used to set the gain of the ONS 15216 EDFA2. The
cerent15216EdfaPumpStatusGain is the value of the gain of the amplification module only, it does not take into account the
VOA (variable optical attenuator) attenuation. If you try to calculate the gain using the values of the
PumpStatusOutPowerdBm – PumpStatusInPowerdBm you will not get the exact PumpStatusGain value. A more complex
calculation is required to get the gain value. It needs to take ASE (amplified spontaneous emission) into account. This is often
called the amplifier noise. This variable will be more dominant when the input power to the amplifier is low.
Table 5-10 cerent15216EdfaPumpStatusEntry Variable Descriptions (continued)
Variable Syntax
Maximum
Access Description
Table 5-11 cerent15216EdfaAlarmEntry Variable Descriptions
Variable Syntax
Maximum
Access Description
cerent15216EdfaAlarmIndex cerent15216EdfaIndex Not
Accessible
A unique value to
identify this entry.
cerent15216EdfaAlarmID AutonomousType Read-only The alarm this entry
refers to.
cerent15216EdfaAlarmPriority cerent15216EdfaAlarmPriority Read-only The priority of this
alarm.
cerent15216EdfaAlarmState cerent15216EdfaAlarmState Read-only The reporting state of
this alarm.
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