FWLF1621P2T Datasheet, PDF (4/11 Pages) Finisar Corporation. – Multi-rate CWDM Pluggable SFP Transceiver

FWLF1621P2Txx SFP Product Specification – April 2012
Finisar
IV. Low Speed Signals
Parameter
Symbol Min Typ Max Units Notes/Conditions
RX_LOS Assert Level
-42 -36
dBm
RX_LOS Deassert Level
-34 -30 dBm
RX_LOS Hysteresis
0.5 2
dB
RX_LOS Assert Delay
t_loss_on
100 sec From detection of loss of signal
to assertion of RX_LOS
RX_LOS Negate Delay
t_loss_off
100 sec From detection of presence of
signal to negation of RX_LOS
TX_DISABLE Assert Time
t_off
TX_DISABLE Negate Time t_on
TX_DISABLE Reset Time
t_reset 10
10
1000
sec Rising edge of TX_DISABLE to
fall of output signal below 10%
of nominal
sec Falling edge of TX_DISABLE to
rise of output signal above 90%
of nominal. Time indicated is
under steady-state temperature
conditions.
sec TX_DISABLE HIGH before
TX_DISABLE set LOW
TX_FAULT Assert
100 sec From fault to assertion of
TX_FAULT
Initialization Time
300 sec From power on to negation of
TX_FAULT using
TX_DISABLE
Finisar Corporation April 2012 Rev.C
Page 4