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SPBD-1250A4Q1R
DELTA ELECTRONICS, INC.
5 Revision: S1
03/12/2007
www.deltaww.com
6. Enhanced Digital Diagnostic Interface
The memory map in the following describes an extension to the memory map defined in SFP MSA.
The enhanced interface uses the two wire serial bus address 1010001X(A2h) to provide diagnostic
information about the module’s present operating conditions.
2 wire address 1010000 X (A0h) 2 wire address 1010001 X (A2h)
0 0
55
Alarm and Warning Thresholds
(56 bytes)
95
Serial ID Defined by SFP MSA
(96 bytes)
56
95
Cal Constants
(40 bytes)
96 96
119
Real Time Diagnostic Interface
(24 bytes)
127
Vender Specific
(32 bytes)
120
127
Vender Specific
128 128
247
User Writable EEPROM
(120 bytes)
255
Reserved in SFP MSA
(128 bytes)
248
255
Vender Specific
(8 bytes)
7. Digital Diagnostic Monitor Accuracy
Parameter Accuracy Unit Calibration Note
Transceiver Internal Temperature
± 3℃
℃
Internal
T
C=-5~+75℃
Power Supply Internal Voltage ± 3%
V Internal VCC=3.3V±5%
TX Bias Current ± 10%
mA Internal Specified by nominal bias value
TX Optical Power ± 3dB
dBm Internal -9 to -3dBm
RX Optical Power ± 3dB
dBm Internal -23 to -3dBm
Note. Temperature and Voltage is measured internal to the transceiver.