Lcp-10g3a4edr – Delta Electronics 10GBASE-SR SFP+ Optical Transceiver LCP-10G3A4EDR User Manual

Page 11

Advertising
background image

LCP-10G3A4EDR

DELTA ELECTRONICS, INC.

11 Revision:

0B

2008/9/5

www.deltaww.com

Timing parameters for SFP+ management

Parameter

Symbol

Min.

Max.

Unit

Note

TX_DISABLE Assert time

t_off

10

µsec 1

TX_DISABLE Negate time

t_on

2

msec

2

Time to initialize 2-wire
interfase

t_2w_start_up

300 msec 3

Time to initialize

t_start_up

300

msec

4

Time to initialize cooled
module

t_start_up_cooled

90

sec

4

Time to Power Up to Level 2

t_power_level2

300

msec

5

Time to Power Down from
Level 2

T_power_down

300

msec

6

TX_Fault assert

TX_Fault_on

1

msec

7

TX_Fault assert for cooled
module

TX_Fault_on

50 msec 7

TX_Fault Reset

t_reset

10

µsec

8

Module Reset

t_module_reset

TBD

msec

TBD

RS0, RS1 rate select timing
for FC

t_RS0_FC,

RS1_FC

500

µsec

9

RS0, RS1 rate select timing
non FC

t_RS0, t_RS1

10

msec

9

RX_LOS assert delay

t_los_on

100

µsec

10

RX_LOS negate delay

t_los_off

100

µsec 11

Notes:

1)

Rising edge of TX_Disable to fall of output signal below 10% of nominal.

2)

Falling edge of TX_Disable to rise of output signal above 90% of nominal. This only applies in normal
operation, not during start up or fault recovery.

3)

From power on or negation of TX_Disable.

4)

From power on or TX_Disable negated during power up, or TX_Fault recovery, until non-cooled power
level 1 part (or non-cooled power level 2 part already enabled at power level 2 for TX_Fault recovery)
is fully operational.

5) From falling edge of stop bit enabling power level 2 until non-cooled module is fully operational.
6) From falling edge of stop bit disabling power level 2 until module is within power level 1 requirements.
7) From Occurrence of fault to assertion of TX_Fault.
8) Time TX_Disable must be held High to reset TX_Fault.
9) From

assertion

till stable output.

10) From Occurrence of loss of signal to assertion of LOS
11) From Occurrence of presence of signal to negation of RX_LOS.






Advertising