fclf8520p2btl Finisar Corporation., fclf8520p2btl Datasheet

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fclf8520p2btl

Manufacturer Part Number
fclf8520p2btl
Description
1000base-t Rohs Compliant Copper Sfp Transceiver
Manufacturer
Finisar Corporation.
Datasheet
Finisar’s FCLF8520P2BTL, FCLF8521P2BTL and FCLF8522P2BTL 1000BASE-T Copper Small
Form Pluggable (SFP) transceivers are based on the SFP Multi Source Agreement (MSA)
are compatible with the Gigabit Ethernet and 1000BASE-T standards as specified in IEEE Std
802.3
Note AN-2038. The 1000BASE-T physical layer IC (PHY) can be accessed via I2C, allowing
access to all PHY settings and features.
The FCLF8520P2BTL uses the SFP’s RX_LOS pin for link indication, and 1000BASE-X auto-
negotiation should be disabled on the host system. The FCLF8521P2BTL is compatible with
1000BASE-X auto-negotiation, but does not have a link indication feature (RX_LOS is internally
grounded). See AN-2036, “Frequently Asked Questions Regarding Finisar’s 1000BASE-T SFPs”,
for a more complete explanation on the differences between the two models and details on
applications issues for the products. The FCLF8522 shall support both RX_LOS pin for link
indication and 1000BASE-X auto-negotiation.
PRODUCT SELECTION
FCLF8520P2BTL
FCLF8521P2BTL
FCLF8522P2BTL
F i n i s a r
Product Features
© Finisar Corporation Jul 22, 2009 Rev B.1
Part Number
2
. They are RoHS compliant and lead-free per Directive 2002/95/EC
• Up to 1.25Gb/s bi-directional data links
• Hot-pluggable SFP footprint
• Extended case temperature range
• Fully metallic enclosure for low EMI
• RoHS compliant and Lead Free
• Low power dissipation (1.05 W typical)
• Compact RJ-45 connector assembly
• Access to physical layer IC via 2-wire
• 10/100/1000 BASE-T operation in host
(-40°C to +85°C )
serial bus
systems with SGMII interface
FCLF8520P2BTL / FCLF8521P2BTL / FCLF8522P2BTL
1000BASE-T RoHS Compliant Copper SFP Transceiver
Link Indicator on RX_LOS Pin
Product Specification
Yes
Yes
No
Applications
1000BASE-X auto-negotiation enabled by default
• 1.25 Gigabit Ethernet over Cat
5 cable
Yes
Yes
No
3
and Finisar Application
Page 1
1
. They

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fclf8520p2btl Summary of contents

Page 1

... Note AN-2038. The 1000BASE-T physical layer IC (PHY) can be accessed via I2C, allowing access to all PHY settings and features. The FCLF8520P2BTL uses the SFP’s RX_LOS pin for link indication, and 1000BASE-X auto- negotiation should be disabled on the host system. The FCLF8521P2BTL is compatible with 1000BASE-X auto-negotiation, but does not have a link indication feature (RX_LOS is internally grounded). See AN-2036, “ ...

Page 2

... FCLF8520P2BTL, FCLF8521P2BTL and FCLF8522P2BTL 1000BASE-T SFP Product Specification I. SFP to Host Connector Pin Out Pin Symbol 1 V Transmitter ground (common with receiver ground) EET 2 T Transmitter Fault. Not supported FAULT 3 T Transmitter Disable. PHY disabled on high or open DIS 4 MOD_DEF(2) Module Definition 2. Data line for serial ID ...

Page 3

... FCLF8520P2BTL, FCLF8521P2BTL and FCLF8522P2BTL 1000BASE-T SFP Product Specification II. +3.3V Volt Electrical Power Interface The FCLF8520P2BTL, FCLF8521P2BTL and FCLF8522P2BTL have an input voltage range of 3.3 V +/- 5%. The 4 V maximum voltage is not allowed for continuous operation. Parameter Symbol Supply Current I s Input Voltage V cc Maximum Voltage ...

Page 4

... FCLF8520P2BTL, FCLF8521P2BTL and FCLF8522P2BTL 1000BASE-T SFP Product Specification IV. High-Speed Electrical Interface All high-speed signals are AC-coupled internally. High-Speed Electrical Interface, Transmission Line - SFP Parameter Symbol Line Frequency Output Impedance Z out,TX Rx Input Impedance Z in,RX Table 4: High-speed electrical interface, transmission line-SFP High-Speed Electrical Interface, Host-SFP ...

Page 5

... Cable Length L Notes: 1. Clock tolerance is +/- 50 ppm 2. By default, the FCLF8520P2BTL, FCLF8521P2BTL and FCLF8522P2BTL are full duplex devices in preferred master mode 3. Automatic crossover detection is enabled. External crossover cable is not required 4. 10/100/1000 BASE-T operation requires the host system to have an SGMII interface with no clocks, and the module PHY to be configured per Application Note AN-2036 ...

Page 6

... FCLF8520P2BTL, FCLF8521P2BTL and FCLF8522P2BTL 1000BASE-T SFP Product Specification VIII. Mechanical Specifications The host-side of the FCLF8520P2BTL, FCLF8521P2BTL and FCLF8522P2BTL conforms to the mechanical specifications outlined in the SFP MSA beyond the face plate of the host) is larger to accommodate the RJ-45 connector. See Figure 2 below for details. ...

Page 7

... FCLF8520P2BTL, FCLF8521P2BTL and FCLF8522P2BTL 1000BASE-T SFP Product Specification IX. References 1. Small Form Factor Pluggable (SFP) Transceiver Multi-Source Agreement (MSA), September 2000. Documentation is currently available at Finisar upon request. 2. IEEE Std 802.3, 2002 Edition. IEEE Standards Department, 2002 3. Directive 2002/95/EC of the European Council Parliament and of the Council, “on the restriction of the use of certain hazardous substances in electrical and electronic equipment.” ...

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