FWDM-1521-7D-47 FINISAR [Finisar Corporation.], FWDM-1521-7D-47 Datasheet - Page 4

• Manufacturer Part Number: FWDM-1521-7D-47
• Description: Multi-rate CWDM Pluggable SFP Transceiver
• Manufacturer: FINISAR [Finisar Corporation.]

FWDM-1521-7D-xx SFP Product Specification – September 2005
IV.
Parameter
RX_LOS Assert Level
RX_LOS Deassert Level
RX_LOS Hysteresis
RX_LOS Assert Delay
RX_LOS Negate Delay
TX_DISABLE Assert Time
TX_DISABLE Negate Time
TX_DISABLE Reset Time
TX_FAULT Assert
Initialization Time
Finisar Corporation September 2005 Rev.D
Low Speed Signals
t_loss_off
t_loss_on
Symbol Min
t_reset
t_off
t_on
-30
0.5
10
Typ
2
Max
1000
100
100
100
300
-19
10
Units Notes/Conditions
dBm
dBm
dB
sec From detection of loss of signal
sec From detection of presence of
sec Rising edge of TX_DISABLE to
sec Falling edge of TX_DISABLE
sec TX_DISABLE HIGH before
sec From fault to assertion of
sec From power on to negation of
to assertion of RX_LOS
signal to negation of RX_LOS
fall of output signal below 10%
of nominal
to rise of output signal above
90% of nominal. Time
indicated is under steady-state
temperature conditions.
TX_DISABLE set LOW
TX_FAULT
TX_FAULT using
TX_DISABLE
F i n i s a r
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