10G? XFP? Fiber Optic Transceiver Module

10G XFP Transceiver , Duplex LC,1310nm, 40KM

10G? XFP?

  The XFP (10 Gigabit Small Form Factor Pluggable) is a standard for transceivers for high-speed computer network and telecommunication links that use optical fiber. It was defined by an industry group in 2002, along with its interface to other electrical components, which is called XFI.

XFP’s Applications

  • 10GBASE-LR/LW 10G Ethernet
  • 1200-SM-LL-L 10G Fibre Channel

  XFP modules are hot-swappable and protocol-independent. They typically operate at near-infrared wavelengths (colors) of 850 nm, 1310 nm or 1550 nm. Principal applications include 10 Gigabit Ethernet, 10 Gbit/s Fibre Channel, synchronous optical networking (SONET) at OC-192 rates, synchronous optical networking STM-64, 10 Gbit/s Optical Transport Network (OTN) OTU-2, and parallel optics links. They can operate over a single wavelength or use dense wavelength-division multiplexing techniques. They include digital diagnostics that provide management that were added to the SFF-8472 standard. XFP modules use an LC fiber connector type to achieve higher density.

XFP’s Standard

  The XFP specification was developed by the XFP Multi Source Agreement Group. It is an informal agreement of an industry group, not officially endorsed by any standards body. The first preliminary specification was published on March 27, 2002. The first public release was on July 19, 2002. It was adopted on March 3, 2003, and updated with minor updates through August 31, 2005. The chair of the XFP group was Robert Snively of Brocade Communications Systems, and technical editor was Ali Ghiasi of Broadcom. The organization’s web site was maintained until 2009.

FOT’s 10G XFP products

FOT 10G XFP Transceiver Module

FOT 10G XFP Transceiver Module

Description:

  (Make FOT’s FX-3110G-ERC as an example) Small Form Factor 10Gb/s (XFP) transceivers are compliant with the current XFP Multi-Source Agreement (MSA) Specification. They comply with 10-Gigabit Ethernet 10GBASE-LR/LW per IEEE 802.3ae and 10G Fibre Channel 1200-SM-LL-L. Digital diagnostics functions are available via a 2-wire serial interface, as specified in the XFP MSA.

Features:

  • Supports 9.95Gb/s to 10.5Gb/s bit rates
  • Hot-pluggable XFP footprint
  • Maximum link length of 40Km on SMF
  • Uncooled 1310nm DFB laser.
  • Duplex LC connector
  • Power dissipation <2.5W
  • No Reference Clock required
  • Built-in digital diagnostic functions
  • Temperature range -5°C to 70°C
  • Very low EMI and excellent ESD protection
  • Fully compliant to XFP MSA Rev.4.5
  • RoHS Compliant Part

Specification:

Electrical Characteristics (Condition: Ta=Top)

ParameterSymbolMinTypMaxUnitNote
Main Supply VoltageVcc54.755.25V
Supply Voltage #2Vcc33.133.45V
Supply Current – Vcc5 supplyIcc5250mA
Supply Current – Vcc3 supplyIcc3500mA
Module total powerP2.5W
Transmitter
Input differential impedanceRin1001
Differential data input swingVin,pp120820mV
Transmit Disable VoltageVD2VccV
Transmit Enable VoltageVENGNDGND+ 0.8V
Transmit Disable Assert Time10us
Receiver
Differential data output swingVout,pp340650850mV
Data output rise timetr38ps2
Data output fall timetf38ps2
LOS FaultVLOSVcc – 0.5VccHOSTV3
fault
LOS NormalVLOSGNDGND+0.5V3
Power Supply Rejectionnorm PSR4
  1. After internal AC coupling.
  2. 20 – 80 %
  3. Loss Of Signal is open collector to be pulled up with a 7k – 10kohm resistor to 3.15 – 3.6V. Logic 0 indicates normal operation; logic 1 indicates no signal detected.
  4. Per Section 2.7.1. in the XFP MSA

Optical Characteristics (Condition: Ta=Top)

ParameterSymbolMinTypMaxUnitRef.
Transmitter
Operating Date RateB9.910.5Gb/s
Bit Error RateBER42289
Optical Launch Powe)POMA05dBm1
Optical Wavelengthλ12601355nm
Optical Extinction RatioER6dB
Sidemode Supression ratioSSRmin30dB
Rise/Fall Time (20%~80%)Tr/Tf50ps
Average Launch power of OFF TransmitterPOFF-30dBm
Tx JitterTxjCompliant with each standard
requirements
Optical Eye MaskIEEE802.3ae2
Receiver
Operating Date RateB9.910.5Gb/s
Receiver SensitivityR-15dBm2
Receiver Sensitivity (OMA)@10.5Gb/sRSENS-12.5dBm2
Maximum Input PowerPMAX0.5dBm2
Optical Center WavelengthλC12601600nm
Receiver ReflectanceRrx-12dB
LOS De-AssertLOSD-15dBm
LOS AssertLOSA-25dBm
LOS Hysteresis1dB

Notes:

  1. The optical power is launched into
  2. Measured with a PRBS 2-31-1 test pattern @10.3125Gbps BER<10-12.

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