16
Table14.EEPROMSerialIDMemoryContents–SoftCommands(AddressA2h,Byte110)
Status/
Bit#
ControlName
Description
Notes
7
TX_ DISABLE State
Digital state of SFP TX_ DISABLE Input Pin (1 = TX_DISABLE asserted)
Note 1
6
Soft TX_ DISABLE
Read/write bit for changing digital state of TX_DISABLE function
Note 1, 2
5
Reserved
4
Reserved
3
Reserved
2
TX_FAULT State
Digital state of the SFP TX_FAULT Output Pin (1 = TX_FAULT asserted)
Note 1
1
RX_LOS State
Digital state of the SFP RX_LOS Output Pin (1 = RX_LOS asserted)
Note 1
0
Data Ready (Bar)
Indicates transceiver is powered and real time sense data is ready. (0 = Ready)
Note 3
Notes:
1. The response time for soft commands of the AFBR-57R5AEZ is 100 msec as specified by the MSA SFF-8472.
2. Bit 6 is logic OR’d with the SFP TX_DISABLE input pin 3 ... either asserted will disable the SFP transmitter.
3. AFBR-57R5AEZ meets the MSA SFF-8472 data ready timing of 1000 msec.
Table15.EEPROMSerialIDMemoryContents–AlarmsandWarnings(AddressA2h,Bytes112,113,116,117)
Byte
Bit
FlagBitNameDescription
112
7
Temp High Alarm
Set when transceiver internal temperature exceeds high alarm threshold
6
Temp Low Alarm
Set when transceiver internal temperature exceeds low alarm threshold
5
Vcc High Alarm
Set when transceiver internal supply voltage exceeds high alarm threshold
4
Vcc Low Alarm
Set when transceiver internal supply voltage exceeds low alarm threshold
3
Tx Bias High Alarm
Set when transceiver laser bias current exceeds high alarm threshold
2
Tx Bias Low Alarm
Set when transceiver laser bias current exceeds low alarm threshold
1
Tx Power High Alarm
Set when transmitted average optical power exceeds high alarm threshold
0
Tx Power Low Alarm
Set when transmitted average optical power exceeds low alarm threshold
113
7
Rx Power High Alarm
Set when received average optical power exceeds high alarm threshold
6
Rx Power Low Alarm
Set when received average optical power exceeds low alarm threshold
0-5
Reserved
116
7
Temp High Warning
Set when transceiver internal temperature exceeds high warning threshold
6
Temp Low Warning
Set when transceiver internal temperature exceeds low warning threshold
5
Vcc High Warning
Set when transceiver internal supply voltage exceeds high warning threshold
4
Vcc Low Warning
Set when transceiver internal supply voltage exceeds low warning threshold
3
Tx Bias High Warning
Set when transceiver laser bias current exceeds high warning threshold
2
Tx Bias Low Warning
Set when transceiver laser bias current exceeds low warning threshold
1
Tx Power High Warning
Set when transmitted average optical power exceeds high warning threshold
0
Tx Power Low Warning
Set when transmitted average optical power exceeds low warning threshold
117
7
Rx Power High Warning
Set when received average optical power exceeds high warning threshold
6
Rx Power Low Warning
Set when received average optical power exceeds low warning threshold
0-5
Reserved