Cisco Systems 15216 EDFA2 Database Backup and Restore, Loss of Output Power Alarm Hysteresis

Chapter 5 SNMP MIB Installation and Configuration

Retrieving Information

F I N A L D R A F T - C I S C O C O N F I D E N T I A L

cerent15216EdfaCLEI = "WMAW27VLAA";

cerent15216EdfaPowerBusMode = duplex; cerent15216EdfaPowerBusDCVoltageMin = 420; cerent15216EdfaPowerBusDCVoltageMax = 700;

};

Changes must be saved before terminating the session. See the “Save Changes” section on page 4-11.

5.6.7.3 Loss of Output Power Alarm Hysteresis

Command snmp attribute get local cerent15216EdfaLpoutHysteresis

Syntax Description snmp attribute get local cerent15216EdfaLpoutHysteresis

This attribute is not required when operating in factory default Constant Gain Temperature Compensated mode. Setting of the loss of output power alarm deviation is only necessary when the amplifier is used in Constant Output Power or Constant Pump Power modes of operation.

This attribute is used to set the amount by which the output power must increase from the threshold setpoint before the alarm is cleared. This attribute, in conjunction with the loss of output power alarm threshold and deviation, enables efficient processing and clearing of the alarm condition.

Typically, network operations personnel should set the loss of output power alarm hysteresis at a value that is appropriate for the intended network application so that the alarm condition is meaningful. Consult with the Cisco TAC to determine the hysteresis value for your application. As a guideline, Cisco recommends that loss of output power alarm hysteresis value be set at 0.2 dB. The module clears the alarm if it detects a signal level of 0.2 dB above the current output power alarm level threshold value set for the amplifier.

When ONS 15216 EDFA2 is set to Constant Gain Temperature Compensated mode (factory default), the value for loss of output power alarm threshold cannot be changed. To display the loss of output power alarm deviation and other power and temperature alarm data, use the snmp table display local cerent15216EdfaCfgGroup command as shown in Example 5-14 on page 5-28. This command returns the current alarm threshold default values.

To set the loss of output power alarm hysteresis when ONS 15216 EDFA2 is configured for operation in either Constant Output Power mode or Constant Pump Power mode, type snmp attribute set local cerent15216EdfaLpoutHysteresis at the command prompt followed by a number. Valid entries are between 0 and 1000 and are in dB times 100. For example, if the loss of output power hysteresis required were 0.2 dB, the number input as loss of output power alarm hysteresis would be 200.

The user is prompted to modify the attribute. If changes are not required, press Enter to return to command prompt.

Changes must be saved before terminating the session. See the “Save Changes” section on page 4-11.

5.6.8 Database Backup and Restore

The configuration information for the ONS 15216 EDFA2 can be saved in a file for later use or to configure other ONS 15216 EDFA2 units. This file contains manufacturing information about the unit that is being backed up (such as part number and serial number), setup information for the unit (such as IP address and host name), all configuration information (such as alarm thresholds and pump mode), and the user database.

Cisco ONS 15216 EDFA2 Operations Guide

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