Delta Electronics Multimode SFP Transceiver LCP-1250A4FDRx Manual de usuario descargar pdf (Pagina 8)

LCP-1250A4FDRx

DELTA ELECTRONICS, INC.

8 09/20/2011

Rev. S0

www.deltaww.com

SFP timing parameters for SFP management

Parameter

Symbol

Min.

Max.

Unit

Note

TX_DISABLE Assert time t_off 100 msec 1

TX_DISABLE Deassert time t_on 100 msec 2

Time to initialize, including

reset of TX_FAULT

t_init 300 msec 3

TX Fault Assert Time

t_fault

100 msec 4

LOS Assert Time t_loss_on 100 msec 5

LOS Deassert Time t_loss_off 100 msec 6

Serial ID Clock Rate f_serial_clock 100 kHz

Notes:

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

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

nominal

From power on or negation of TX_Fault using TX Disable

Time from fault to TX fault on.

5) Time from LOS state to Rx LOS assert

6) Time from non-LOS state to Rx LOS deassert

1 2 3 4 5 6 7 8 9 10 11 12 13 14

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Delta Electronics Multimode SFP Transceiver LCP-1250A4FDRx Manual de usuario Pagina 8