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Digital diagnostic monitoring interface – Delta Electronics SFP Transceiver LCP-2488B4HDRx User Manual

Page 11

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DELTA ELECTRONICS, INC.

11 2008/3/14

Rev. 0B

www.deltaww.com

Digital Diagnostic Monitoring Interface

Alarm and Warning Thresholds (2-Wire Address A2h)

Address

#

Bytes

Name

Value (Dec.)

Unit

Note

00-01 2

Temp

High

Alarm

T

C

(MAX.)+8

02-03 2

Temp

Low

Alarm

T

C

(MIN.)-8

04-05

2

Temp High Warning

T

C

(MAX.)+3

06-07

2

Temp Low Warning

T

C

(MIN.)-3

1

08-09

2

Voltage High Alarm

Vcc+0.5

10-11

2

Voltage Low Alarm

Vcc-0.5

12-13

2

Voltage High Warning

Vcc+0.2

14-15

2

Voltage Low Warning

Vcc-0.2

Volt

16-17 2

Bias

High

Alarm

I

OP

*2+20

18-19 2

Bias

Low

Alarm

I

OP

-20

20-21

2

Bias High Warning

I

OP

*2+10

22-23

2

Bias Low Warning

I

OP

-10

mA 2

24-25

2

TX Power High Alarm

P

h

+2

26-27

2

TX Power Low Alarm

P

l

-2

28-29

2

TX Power High Warning

P

h

+1

30-31

2

TX Power Low Warning

P

l

-1

dBm

3

32-33

2

RX Power High Alarm

P

0

+2

34-35

2

RX Power Low Alarm

P

S

-2

36-37

2

RX Power High Warning

P

0

+1

38-39

2

RX Power Low Warning

P

S

-1

dBm 4

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) T

C

: Case Operating temperature

2) I

OP

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

3) P

h

: Maximum value of transmitter optical power

Pl: Minimum value of transmitter optical power
4) P

0

: Overload optical power of receiver

P

S

: Sensitivity optical power of receiver

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