Finisar AN-2030 specifications Alarm and Warning Flag Bits 2-Wire Address A2h

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AN-2030: Digital Diagnostic Monitoring Interface for Optical Transceivers

F i n i s a r

 

 

 

Table 3.18: Alarm and Warning Flag Bits (2-Wire Address A2h)

 

 

 

 

 

 

 

 

Reserved Optional Alarm and Warning Flag Bits

 

 

 

112

7

Temp High Alarm

Set when internal temperature exceeds high alarm level.

 

112

6

Temp Low Alarm

Set when internal temperature is below low alarm level.

 

112

5

Vcc High Alarm

Set when internal supply voltage exceeds high alarm level.

 

112

4

Vcc Low Alarm

Set when internal supply voltage is below low alarm level.

 

112

3

TX Bias High Alarm

Set when TX Bias current exceeds high alarm level.

 

112

2

TX Bias Low Alarm

Set when TX Bias current is below low alarm level.

 

112

1

TX Power High Alarm

Set when TX output power exceeds high alarm level.

 

112

0

TX Power Low Alarm

Set when TX output power is below low alarm level.

 

113

7

RX Power High Alarm

Set when Received Power exceeds high alarm level.

 

113

6

RX Power Low Alarm

Set when Received Power is below low alarm level.

 

113

5

Reserved Alarm

 

 

 

 

113

4

Reserved Alarm

 

 

 

 

113

3

Reserved Alarm

 

 

 

 

113

2

Reserved Alarm

 

 

 

 

113

1

Reserved Alarm

 

 

 

 

113

0

Reserved Alarm

 

 

 

 

114

All

Reserved

 

 

 

 

115

All

Reserved

 

 

 

 

116

7

Temp High Warning

Set when internal temperature exceeds high warning level.

 

116

6

Temp Low Warning

Set when internal temperature is below low warning level.

 

116

5

Vcc High Warning

Set when internal supply voltage exceeds high warning level.

 

116

4

Vcc Low Warning

Set when internal supply voltage is below low warning level.

 

116

3

TX Bias High Warning

Set when TX Bias current exceeds high warning level.

 

116

2

TX Bias Low Warning

Set when TX Bias current is below low warning level.

 

116

1

TX Power High Warning

Set when TX output power exceeds high warning level.

 

116

0

TX Power Low Warning

Set when TX output power is below low warning level.

 

117

7

RX Power High Warning

Set when Received Power exceeds high warning level.

 

117

6

RX Power Low Warning

Set when Received Power is below low warning level.

 

117

5

Reserved Warning

 

 

 

 

117

4

Reserved Warning

 

 

 

 

117

3

Reserved Warning

 

 

 

 

117

2

Reserved Warning

 

 

 

 

117

1

Reserved Warning

 

 

 

 

117

0

Reserved Warning

 

 

 

 

118

All

Reserved

 

 

 

 

119

All

Reserved

 

 

 

9/26/02 Revision D

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Contents Scope and Overview 35 2. Applicable DocumentsEnhanced Digital Diagnostic Interface Definition Overview Cal Constants Bytes Password Entry 8 bytesSpecific Data Field Descriptions Control Functions 8 bytesName Bytes Description of Field Address Serial ID Data Fields Address A0Data Identifier values ConnectorIdentifier Extended IdentifierConnector values Description of connectorTransceiver Transceiver codesSpeed Reach Specifier bit Description 4a Sonet Reach SpecifiersEncoding Code Description of encoding mechanismLength 9μ BR, nominalLength 9μ-km Length 50μDwdm Channel Spacing Length CopperVendor name Vendor OUIDwdm Wavelength Fraction Vendor RevLaser Wavelength BR, max OptionsOption values 13 BR, minData Description of field Address Diagnostic Monitoring TypeDate Code N i s a r Enhanced Options 11 SFF-8472 Compliance 10 I/O Timing for Soft Control & Status FunctionsSFF-8472 Compliance Diagnostics 12 Bit weights C for temperature reporting registers 13 Digital temperature format TemperatureN i s a r Alarm and Warning Thresholds 14 Alarm and Warning Thresholds 2-Wire Address A2hN i s a r 16a Unsigned fixed-point binary format for slopes 16b Format for offsets16c IEEE-754 Single-Precision Floating Point Number Format 16d Example of Floating Point RepresentationBit Name Description Alarm and Warning Flags LOS18 Alarm and Warning Flag Bits 2-Wire Address A2h Byte Bit Name Description 19 Password Addresses 2-Wire Address A2h20 User Eeprom 2-Wire Address A2h Address # Bytes Name DescriptionWire Interface Operation Ddtc Electrical Interface Definition OverviewN i s a r Current Address Read Detailed 2 -Wire Serial Port Operation N i s a r Wire Protocol Data Transfer Protocol DC Electrical Characteristics Vcc = 3.15V toFor More Information