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| 型号： | FTR-1629-27 |
| 元件分类： | 光收发 |
| 英文描述： | FIBER OPTIC TRANSCEIVER, 1450-1620nm, 1250Mbps(Tx), 1250Mbps(Rx), PANEL MOUNT |
| 文件页数： | 6/10页 |
| 文件大小： | 146K |
| 代理商： | FTR-1629-27 |
FTR-1629-XX DWDM GBIC Preliminary Product Specification – June 2003
F i n i s a r
Finisar Corporation
PRELIMINARY and Confidential
Page 5
Rev D, June 2003
IV.
High Speed Electrical Interface
All high-speed PECL signals are AC coupled internally.
Parameter
Symbol
Min
Typ
Max
Units
Notes/Conditions
RX_LOS Assert Level
-42
-39
dBm
RX_LOS Deassert Level
-37
-32
dBm
RX_LOS Hysteresis
1
dB
RX_LOS Assert Delay
t_loss_on
300
sec From detection of loss of signal
to assertion of RX_LOS
RX_LOS Negate Delay
t_loss_off
150
sec From detection of presence of
signal to negation of RX_LOS
TX_DISABLE Assert Time
t_off
100
sec Rising edge of TX_DISABLE to
fall of output signal b elow 10%
of nominal
TX_DISABLE Negate Time
t_on
1000
sec Falling edge of TX_DISABLE
to rise of output signal above
90% of nominal. Time
indicated is under steady -state
temperature conditions.
TX_DISABLE Reset Time
t_reset
10
sec TX_DISABLE HIGH before
TX_DISABLE set LOW
TX_FAULT Assert
-0.1
0.1
nm
TX_Fault will assert before the
device is outside of specified
wavelength range
Table 4. Low Speed Signal Parameters
Parameter
Symbol
Min
Typ
Max
Units
Notes/Conditions
Data Input Voltage
Vin
650
2000
mV
PECL differential peak - peak
Data Output Voltage
Vout
370
2000
mV
PECL differential peak - peak
PECL rise/fall
Tr,Tf
150
psec
20% -80% Differential
Bit Error Rate
BER
10
-12
PRBS 2
7 - 1 test data pattern
Tx Input Impedance
Zin
75
Ohm
Rx Output Impedance
Zout
75
Ohm
Table 5. High Speed Electrical Interface
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| FTR-1629-28 | 制造商:FINISAR 制造商全称:FINISAR 功能描述:DWDM GBIC Transceiver |
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