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8.5G SFP+ Transceiver 1310nm 10km

Features

Up to 8.5Gb/s bi-directional data links

Hot Pluggable SFP+ footprint

Built-in digital diagnostic functions

1310nm DFP laser transmitter

Duplex LC connector

Up to 10km on 9/125um SMF

Single 3.3V power supply

Operating case temperature: 0 to 70℃

RoHS compliant (lead free)

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8.5G SFP+ Transceiver 1310nm 10km                                                                                                                                                                                                                                                                                                           

Main Application:

2.125/4.25/8.5Gbs Fiber Channel

Other optical links

 

Product description

SPT-138G-10D transceivers are designed for use in Fiber Channel links up to 8.5 Gb/s data rate and up to 10 km link length. They are compliant with FCPI-4 Rev. 8.00 and SFF-8472 Rev 10.2, and Compatible with SFF-8432 and applicable portions of SFF-8431 Rev. SPT-138G-10D Digital Diagnostics functions are available via a 2-wire serial interface, as specified in SFF-8472, which allows Real-time access to device operating parameters such as transceiver temperature, laser bias current, Transmitted optical power, received optical power and transceiver supply voltage. 3.0. The product is RoHS Compliant and lead-free per Directive 2002/95/EC.

Absolute Maximum Rating

These values represent the damage threshold of the module. Stress in excess of any of the individual Absolute Maximum Ratings can cause immediate catastrophic damage to the module even if all other parameters are within Recommended Operating Conditions

Parameter

Symbol

Min.

Typical

Max

Unit

Ref

Transmitter

Center Wavelength

λt

1300

1310

1320

nm

 

RMS spectral width

Pm

 

-

Note1

nm

 

Average Optical Power

Pavg

-6.5

-

-1

dBm

2

Extinction Ratio

ER

3.5

-

 

dB

3

Transmitter Dispersion Penalty

TDP

   

3.9

dB

 

Relative Intensity Noise

Rin

 

 

-128

dB/Hz

12dB reflection

Optical Return Loss Tolerance

     

12

dB

 

Receiver

Center Wavelength

λr

1300

1310

1320

nm

 

Receiver Sensitivity

Psens

   

-11.1

dBm

4

Stressed Sensitivity in OMA

Los

   

-7.5

dBm

4

Los function

Los

-30

 

-12

dBm

 

Overload

Pin

   

-1.0

dBm

4

Receiver Reflectance

LOSA

-25

-

-12

dB

 

 

Operating Conditions Notes:

 

1. Supply current is shared between VCCTX and VCCRX.

 

2. In-rush is defined as current level above steady state current requirements.

 

 

Optical Characteristics Notes:

 

1. High Bandwidth Mode. Class 1 Laser Safety per FDA/CDRH and EN (IEC) 60825 regulations.

 

2. Also specified to meet curves in FC-PI-4 Rev 8.001 Figures 21, 22, and 23, which allow trade-off between Wavelength, spectral width and OMA.

 

3. Equivalent extinction ratio specification for Fiber Channel. Allows smaller ER at higher average power.

 

4. For 8.5 Gb/s operation, Jitter values for gamma T and gamma R are controlled by TDP and stressed receiver sensitivity.

 

5. Measured with conformance signals defined in FC-PI-4 Rev. 8.00 specifications. Value in OMA. Measured with PRBS 27-1 at 10-12 BER.

 

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Same Class Products:

 

8.5G 850nm 300m SFP+ Transceiver

8.5G 1310nm 1.4km SFP+ Transceiver

8.5G 1550nm 40km SFP+ Optical Transceiver Module

8.5G 1550nm 80km SFP+ Fiber Optic Transceiver Module

 

Q&A

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Q: How can I connect a server that has a SFP+ network card to a switch that has XFP modules?

 

A: first, if your server and switch didn’t install any SFP+, XFP fiber transceivers, you have two choices to connect them; one is SFP+ to XFP passive copper cable(PCC), and the other is SFP+ to XFP active optic cable (AOC). If your server and switch are already installed fiber transceivers, and then 1 piece of LC-LC Duplex fiber patch cord can solve your problem.

 

 

Q: What is the difference between SFP+ and SFP?

 

A: The pinout of SFP and SFP+ connectors are identical. However, SFP is data rate of 6Gb/s, whereas SFP+ is designed for 10Gb/s. The SFP receptacles and plugs are not as well impedance matched as SFP+ receptacles and plugs. Also SFP+ cable is designed for 10Gb/s whereas SFP cable may not be able to satisfactorily transmit that rate.

 

 

Q: I use the copper SFP, it works with my switch, but the operational status is always up, no matter it’s connect with my PC or not, why?

 

A: It's the matching problem, because for the copper SFP, there are 4 standards in MSA agreement, for us, we choose the frequently-used standard for our Copper SFP, this standard may not 100% match your switch, so it show you the wrong handshaking protocol. Now, you may check the "Link" light to confirm whether the SFP work or not: When you connect the Copper SFP with RJ45 cable, if there is flow of data, the "Link" light will blink. If not RJ45 cable connected, the "Link" light will not light.

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