Delta Electronics LCP-4250A4CDR manual Digital Diagnostic Monitoring Interface

Page 11

9)Byte 128 to 255 had been set hex 00.

Digital Diagnostic Monitoring Interface

Alarm and Warning Thresholds (2-Wire Address A2h)

 

Address

 

#

 

 

Name

 

Value (Dec.)

 

Unit

 

Note

 

 

 

Bytes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

00-01

2

 

 

Temp High Alarm

 

TC (MAX.)+15

 

1

 

 

02-03

2

 

 

Temp Low Alarm

 

TC (MIN.)

 

 

 

 

 

 

04-05

2

 

 

Temp High Warning

 

TC (MAX.)+10

 

 

 

 

 

 

06-07

2

 

 

Temp Low Warning

 

TC (MIN.)+10

 

 

 

 

 

 

08-09

 

2

 

 

Voltage High Alarm

 

Vcc+5%

 

Volt

 

 

 

 

10-11

 

2

 

 

Voltage Low Alarm

 

Vcc-5%

 

 

 

 

 

 

12-13

 

2

 

 

Voltage High Warning

 

Vcc+3%

 

 

 

 

 

 

14-15

 

2

 

 

Voltage Low Warning

 

Vcc-3%

 

 

 

 

 

 

16-17

 

2

 

 

Bias High Alarm

 

IOP+10

 

mA

2

 

 

18-19

2

 

Bias Low Alarm

 

IOP-5

 

 

 

 

 

 

20-21

2

 

 

Bias High Warning

 

IOP+7

 

 

 

 

 

 

22-23

2

 

 

Bias Low Warning

 

IOP-3

 

 

 

 

 

 

24-25

 

2

 

 

TX Power High Alarm

 

P+3

 

dBm

 

3

 

 

26-27

 

2

 

 

TX Power Low Alarm

 

P-3

 

 

 

 

 

 

28-29

 

2

 

 

TX Power High Warning

 

P+2

 

 

 

 

 

 

30-31

 

2

 

 

TX Power Low Warning

 

P-2

 

 

 

 

 

 

32-33

 

2

 

 

RX Power High Alarm

 

P0+3

 

dBm

4

 

 

34-35

2

 

 

RX Power Low Alarm

 

PS-2

 

 

 

 

 

 

36-37

2

 

 

RX Power High Warning

 

P0+2

 

 

 

 

 

 

38-39

2

 

 

RX Power Low Warning

 

PS

 

 

 

 

 

 

40-45

 

16

 

 

Reversed

 

 

 

 

 

 

 

 

56-91

 

36

 

 

External Calibration Constants

 

 

 

 

 

 

 

 

92-94

 

3

 

 

Reversed

 

 

 

 

 

 

 

 

95

 

1

 

 

Checksum

 

 

 

 

 

5

 

 

96-97

 

2

 

 

Real Time Temperature

 

 

 

 

 

 

 

 

98-99

2

 

Real Time Supply Voltage

 

 

 

 

 

 

 

 

100-101

2

 

Real Time Tx Bias Current

 

 

 

 

 

 

 

 

102-103

2

 

Real Time Tx Optical Power

 

 

 

 

 

 

 

 

104-105

2

 

Real Time Rx Received Power

 

 

 

 

 

 

 

 

106-109

 

4

 

 

Reserved

 

 

 

 

 

 

 

 

110

 

1

 

 

Optional Status/ Control Bits

 

 

 

 

 

6

 

 

111

 

1

 

 

Reserved

 

 

 

 

 

 

 

 

112-119

 

8

 

 

Optional Set of Alarm and Warning

 

 

 

 

 

7

 

Notes:

1)TC: Case Operating temperature

2)IOP: Operating current at room temperature. The min. setting current is 0 mA.

3)P: Operating optical power of transmitter at room temperature.

4)P0: Overload optical power of receiver

PS: Sensitivity optical power of receiver

5) Byte 95 contains the low order 8bits of sum of bytes 0-94

 

11

2008/3/18

 

Rev. 0A

DELTA ELECTRONICS, INC.

www.deltaww.com

Image 11
Contents Transmission Distances DescriptionApplications Recommended Operating Conditions Electrical CharacteristicsAbsolute Maximum Ratings Optical Characteristics Mask of the eye diagram for the optical transmit signalMOD-DEF2 Open SerDes IC Recommend Circuit SchematicPackage Outline Drawing for Metal Housing with Bail de-latch SFP timing parameters for SFP management Parameter Symbol Min Max UnitEnhanced Digital Diagnostic Interface Eeprom Serial ID Memory Contents 2-Wire Address A0h Address Name Value Dec Unit Bytes Digital Diagnostic Monitoring InterfaceAlarm and Warning Thresholds 2-Wire Address A2h State/ Control Bits Digital Diagnostic Monitor Accuracy Parameter Typical ValueOptional Set of Alarm and Warning Ordering information for SFP modules X1 TemperatureRegulatory Compliance