FWLF1634RL Datasheet, PDF (5/11 Pages) Finisar Corporation. – Long-Reach DWDM SFP Transceiver

FWLF1634RLxx DWDM SFP Product Specification – August 2010
Finisar
IV. Low Speed Signals
Parameter
Symbol Min Typ Max Units Notes/Conditions
RX_LOS Assert Level
-42 -36
dBm
RX_LOS De-assert Level
-34 -28 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
-0.2
+0.2 nm TX_Fault will assert before the
device is outside of specified
wavelength range
Finisar Corporation
Rev D1, Aug.2010
Page 5