Finisar FCLF-8521-3 Transceiver Module FCLF-8521-3 用户手册
FCLF-8520/8521-3 1000BASE-T SFP Product Specification
F i n i s a r
IV. High-Speed Electrical Interface
All high-speed signals are AC-coupled internally.
All high-speed signals are AC-coupled internally.
High-Speed Electrical
Interface,
Transmission Line-SFP
Interface,
Transmission Line-SFP
Parameter Symbol
Min
Typ
Max
Units
Notes/Conditions
Line Frequency
f
L
125 MHz
5-level
encoding,
per
IEEE 802.3
Tx Output Impedance
Z
out,TX
100
Ohm
Differential, for all
frequencies between
1MHz and 125MHz
frequencies between
1MHz and 125MHz
Rx Input Impedance
Z
in,RX
100
Ohm
Differential, for all
frequencies between
1MHz and 125MHz
frequencies between
1MHz and 125MHz
Table 4. High-speed electrical interface, transmission line-SFP
High-Speed Electrical Interface,
Host-SFP
Host-SFP
Parameter Symbol
Min
Typ
Max
Units
Notes/Conditions
Single ended data input
swing
swing
V
insing
250 1200
mV
Single
ended
Single ended data output
swing
swing
V
outsing
350 800 mV
Single
ended
Rise/Fall Time
T
r
,T
f
175 psec
20%-80%
Tx Input Impedance
Z
in
50 Ohm
Single
ended
Rx Output Impedance
Z
out
50 Ohm
Single
ended
Table 5. High-speed electrical interface, host-SFP
© Finisar Corporation December 16, 2005 RevB
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