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Delta Electronics SPBD-155E4J1RD User Manual

Page 4

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SPBD-155E4J1RD

DELTA ELECTRONICS, INC.

4 Revision:

S1

04/11/2007

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

V

CC

=3.3V

±5%

TX Bias Current

± 10%

mA

Internal

Specified by nominal bias value

TX Optical Power

± 3dB

dBm

Internal -14

to

-8dBm

RX Optical Power

± 3dB

dBm

Internal -31

to

-8dBm

Note. Temperature and Voltage is measured internal to the transceiver.