Sfp timing parameters for sfp management – Delta Electronics LCP-200A4HSR User Manual

Page 8

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DELTA ELECTRONICS, INC.

8 Aug.,

2006

Rev. 0A

www.deltaww.com

SFP timing parameters for SFP management

Parameter Symbol

Min.

Max.

Unit

Unit

Conditions

TX_DISABLE Assert
time

t_off

10

µsec

Time from rising edge of TX_DISABLE to
when the optical output falls below 10% of
nominal

TX_DISABLE
Negate time

t_on

1

msec

Time from falling edge of TX_DISABLE to
when the modulated optical output rises
above 90% of nominal

Time to initialize,
including reset of
TX_FAULT

t_init

300

msec

From power on or negation of TX_Fault using
TX Disable.

TX Fault Assert
Time

t_fault

100

µsec Time from fault to TX fault on.

TX_DISABLE to
reset

t_rest 10

µsec

Time TX Disbale must be held high to reset
TX_Fault

LOS Assert Time

t_loss_on

100

µsec Time from LOS state to Rx LOS assert

LOS Deassert Time

t_loss_off

100

µsec Time from non-LOS state to Rx LOS deassert

Serial ID Clock Rate f_serial_clock

100

kHz

LCP-200A4HSR EEPROM Serial ID Memory Contents (2-Wire Address A0h)

Hex ASCII

Hex ASCII

Hex ASCII

Hex ASCII

Hex ASCII

Hex ASCII

00 03 25 20 50 53

S 75 SN

100 00 125

00

01 04 26 20 51 52

R 76 SN

101 00 126

00

02 07 27 20 52 20

77 SN

102 00 127

00

03 00 28 20 53 20

78 SN

103 00

04 80 29 20 54 20

79 SN

104 00

05 00 30 20 55 20

80 SN

105 00

06 00 31 20 56 30

81 SN

106 00

07 00 32 20 57 30

82 SN

107 00

08 00 33 20 58 30

83 SN

108 00

09 00 34 20 59 30

84 DC Note

3

109 00

10 00 35 20 60 05

85 DC

110 00

11

00

36

00

61

1E

86

DC

111

00

12 02 37 00 62 00

87 DC

112 00

13 00 38 00 63 CS1 Note

1

88 DC

113 00

14 00 39 00 64 00

89 DC

114 00

15 00 40 4C L 65 1A

90 DC

115 00

16 00 41 43 C 66 05

91 DC

116 00

17 C8 42 50 P 67 05

92 00

117 00

18 00 43 2D - 68 SN Note

2

93 00

118 00

19 00 44 32 2 69 SN

94 00

119 00

20 44 D 45 30 0 70 SN

95 CS2 Note

4

120 00

21 45 E 46 30 0 71 SN

96 00

121 00

22 4C L 47 41 A 72 SN

97 00

122 00

23 54 T 48 34 4 73 SN

98 00

123 00

24 41 A 49 48 H 74 SN

99 00

124 00

Notes:

1) Byte 63(CS1): Check sum of bytes 0-62.

2) Byte 68-83 (SN): Serial number.

3) Byte 84-91 (DC): Date code.

4) Byte 95 (CS2): Check sum of bytes 64-94.

5) Bytes 128-255 had been set hex. 00.

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