NETGEAR AGM732F manual SFP timing parameters for SFP management, Txdisable, Txfault

AGM732F

SFP timing parameters for SFP management

Parameter

Symbol

Min.

Max.

Unit

Unit Conditions

TX_DISABLE Assert

Time

from

rising edge

of TX_DISABLE

to

t_off

10

µsec

when

the

optical output falls below 10%

of

time

nominal

TX_DISABLE

Time

from

falling edge

of TX_DISABLE

to

t_on

1

msec

when

the

modulated

optical output rises

Negate time

above 90% of nominal

Time

to

initialize,

From power on or negation of TX_Fault using

including

reset

of

t_init

300

msec

TX Disable.

TX_FAULT

TX

Fault

Assert

t_fault

100

µsec

Time from fault to TX fault on.

Time

TX_DISABLE

to

t_rest

10

µsec

Time TX Disable must be held high to reset

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

7

Rev. 0A