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參數(shù)資料
| 型號： | FTR-1621-55 |
| 元件分類： | 光收發(fā) |
| 英文描述： | FIBER OPTIC TRANSCEIVER, 2700Mbps(Tx), 2700Mbps(Rx), PANEL MOUNT |
| 文件頁數(shù)： | 4/9頁 |
| 文件大?。?/td> | 372K |
| 代理商： | FTR-1621-55 |
FTR-1621-XX WDM GBIC
Product Specification - March 2002
F i n i s a r
Finisar Corporation 01-Mar-02 Rev.F
Page 4
IV. High Speed Electrical Interface
All high-speed PECL signals are AC coupled internally.
Low Speed Signal Parameters
Parameter
Symbol Min
Typ
Max
Units Notes/Conditions
RX_LOS Assert Level
--
-42
-39
dBm Measured on Finisar Eval Card
RX_LOS Deassert Level
--
-37
-32
dBm Measured on Finisar Eval Card
RX_LOS Hysteresis
--
1.0
dB
Measured on Finisar Eval Card
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
150
sec From detection of presence of
signal to negation of RX_LOS
TX_DISABLE Assert Time
t_off
1000
sec Rising edge ot TX_DISABLE to
fall of output signal below 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
TX_DISABLE Reset Time
t_reset
10
sec TX_DISABLE HIGH before
TX_DISABLE set LOW
Table 4. Low speed signal parameters
High Speed Electrical
Interface
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
Duty Cycle
--
50
%
PECL rise/fall
Tr,Tf
150
psec
20%-80% Differential
Bit Error Rate
BER
10-12
PRBS 223 - 1 test data pattern
Tx Input Impedance
Zin
75
ohm
Singled ended impedance
Rx Output Impedance
Zout
75
ohm
Singled ended impedance
Table 5. High speed electrical interface
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| FTR-1621-57 | 制造商:Finisar Corporation 功能描述:TX/RX OPTICAL FIBER 2700MBPS - Trays |
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