FTL-1419-3D 40km Extended Reach GBIC Product Specification – November 2007
Finisar
Parameter
RX_LOS Assert Level
RX_LOS Deassert Level
RX_LOS Hysteresis
RX_LOS Assert Delay
RX_LOS Negate Delay
TX_DISABLE Assert Time
Symbol
Min
Typ
Max
Units Notes/Conditions
dBm
dBm
dB
µsec From detection of loss of signal
to assertion of RX_LOS
µsec From detection of presence of
signal to negation of RX_LOS
µsec Rising edge of TX_DISABLE to
fall of output signal below 10%
of nominal
µsec Falling edge of TX_DISABLE
to rise of output signal above
90% of nominal
µsec TX_DISABLE HIGH before
TX_DISABLE set LOW
msec From power on after VCC >
4.5V
µsec From occurrence of fault
--
-34
--
--
0.5
t_loss_on
t_loss_off
t_off
-24
100
100
10
TX_DISABLE Negate Time
t_on
1000
TX_DISABLE Reset Time
TX_FAULT Initialize Time
TX_FAULT Assert Time
t_reset
t_init
t_fault
10
300
100
Table 4. Low speed signal parameters
IV. High Speed Electrical Interface
All high-speed PECL signals are AC-coupled internally.
Parameter
Data Input Voltage
Data Output Voltage
PECL rise/fall
Bit Error Rate
Tx Input Impedance
Rx Output Impedance
Symbol
V
in
V
out
t
r
,t
f
BER
Z
in
Z
out
Min
650
370
Typ
Max
2000
2000
260
10
-12
75
75
Units
mV
mV
psec
Ohm
Ohm
Notes/Conditions
PECL differential peak - peak
PECL differential peak - peak
20%-80% differential
PRBS 2
7
- 1 test data pattern
Table 5. High-speed electrical interface
©
Finisar Corporation November 16, 2007 Rev. B1
Page 4
FINISAR [ FINISAR CORPORATION. ]
