6)

State/ Control Bits

Byte

 

Bit

Name

Description

110

7

Tx Disable State

Digital state of the Tx disable input pin

110

 

6

Soft Tx Disable

Read/ Write bit that allow software disable of laser

110

5

Reserved

 

110

 

4

Rate Select tate

NA

110

3

Soft Rate Select

NA

110

 

2

Tx Fault

Digital state of the Tx fault output pin

110

1

LOS

Digital state of the LOS output pin.

110

 

0

Data_Ready_Bar

NA

7)

Optional Set of Alarm and Warning

Byte

 

Bit

Name

Description

112

7

Temp High Alarm

Set when internal temperature exceeds high alarm level

112

6

Temp Low Alarm

Set when internal temperature is below low alarm level

112

 

5

Vcc High Alarm

Set when internal supply voltage exceeds high alarm level

112

 

4

Vcc Low Alarm

Set when internal supply voltage is below low alarm level

112

3

Tx Bias High Alarm

Set when Tx Bias current exceeds high alarm level

112

2

Tx Bias Low Alarm

Set when Tx Bias current is below low alarm level

112

 

1

Tx Power High Alarm

Set when Tx output power exceeds high alarm level

112

 

0

Tx Power Low Alarm

Set when Tx output power is below low alarm level

113

7

Rx Power High Alarm

Set when received power exceeds high alarm level

113

6

Rx Power Low Alarm

Set when received power is below low alarm level

113

 

5-0

Reserved

 

116

7

Temp High Warning

Set when internal temperature exceeds high warning level

116

6

Temp Low Warning

Set when internal temperature is below low warning level

116

 

5

Vcc High Warning

Set when internal supply voltage exceeds high warning level

116

 

4

Vcc Low Warning

Set when internal supply voltage is below low warning level

116

3

Tx Bias High Warning

Set when Tx Bias current exceeds high warning level

116

2

Tx Bias Low Warning

Set when Tx Bias current is below low warning level

116

 

1

Tx Power High Warning

Set when Tx output power exceeds high warning level

116

 

0

Tx Power Low Warning

Set when Tx output power is below low warning level

117

7

Rx Power High Warning

Set when received power exceeds high warning level

117

6

Rx Power Low Warning

Set when received power is below low warning level

117

 

5-0

Reserved

 

Digital Diagnostic Monitor Accuracy

 

Parameter

Typical Value

 

Note

 

 

 

 

 

 

 

 

Transceiver Temperature

± 3

1

 

 

Power Supply Voltage

± 3%

 

2

 

 

TX Bias Current

± 10%

 

 

 

 

TX Optical Power

± 1.5dB

 

 

 

 

RX Optical Power

± 3dB

 

 

 

Notes:

 

 

 

 

1) Temperature is measured internal to the transceiver

 

 

 

2) Voltage is measured internal to the transceiver

12

2008/3/18

 

 

 

 

 

 

Rev. 0A

DELTA ELECTRONICS, INC.

 

 

www.deltaww.com

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Delta Electronics LCP-4250A4CDR manual Digital Diagnostic Monitor Accuracy Parameter Typical Value, State/ Control Bits