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Ministry of Defence BT Inmarsat Science & Technology Facilities Council

AXM763

AXM763

£140.00

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Width 13.4
Depth 56.5
Height 8.5
Compatible Brand Netgear
Description 10G BASE-LRM Small Form-factor Pluggable Plus (SFP+).
Connector Type Single LC Connector
Data Link Protocol 10-Gigabit Ethernet
Cabling Type Singlemode Fibre (SMF) and Multimode Fibre (MMF)
Data Transfer Rate 10 Gb/s
Max Transfer Distance upto 300m
Transmitter Wavelength 1310nm
Form Factor SFP+
Max Operating Temperature 70
Direct Attach Cables N/A
Cable Assembly Datarate N/A
Cable Assembly Length N/A
Cable Assembly Type N/A

AXM763 (10G BASE-LRM SFP+) Datasheet  

To download a PDF version of this datasheet, please CLICK HERE.


Features

  • Supports 9.95 to 10.3Gbps bit rates
  • Transmission distance up to 300m (OS1 fibre)
  • Transmission distance up to 220m (OM2 fibre)
  • 1310nm FP transmitter, PIN photo-detector
  • Digital Status Monitoring Interface
  • Dual LC Connector
  • RoHS6 compliant (lead free)
  • Metal enclosure for lower EMI
  • Single 3.3V power supply
  • Power dissipation < 1W
  • Compliant with FC-PI-4 800-Mx-SN-I, SFF-8431 , SFF-8432 and SFF-8472
  • Operating case temperature: Standard: 0 to 70 °C

Applications

  • 10GBASE-LRM 10G Ethernet
  • Legacy FDDI multimode links 


Description

The SFP+ LRM is an optical transceiver module for transmission at 1310nm over legacy multimode fibre. Supporting the 10GBASE-LRM Ethernet standard makes it ideally suited for 10G datacom. Its very low power consumption and its excellent EMI performance allow system design with high port density. The small form factor integrates a 1310nm Fabry-Perot (FP) laser in an LC package and a linear multimode PIN receiver. The module is lead free, RoHS compliant and is designed and tested in accordance with industry safety standards.

The transceiver is a linear-interface transceiver that enables, in conjunction with an Electronic Dispersion Compensation (EDC) on the host board, an IEEE802.3aq 10GBASE-LRM compliant link. The host board EDC provides correction for the severe modal dispersion that may occur during propagation through multimode fibre links, including legacy installed FDDI multimode fibre (see IEEE802.3aq for detailed information regarding fibre coverage).    

10G BASE-LRM SFP+ -Block-Digram

Unlike the XFP MSA transceiver requirements, the SFP+ transceiver does not contain internal retiming circuitry, and thus some of the Transmitter Optical Characteristics stated in this datasheet require that the Host Board is compliant to the SFP+ MSA specifications.


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.

Parameters Symbol Min. Max. Unit
Power Supply Voltage VCC 0 +3.6 V
Storage Temperature Tc -40 +85 °C
Operating Case Temperature Tc 0 +70 °C
Relative Humidity RH 5 95 %


Recommended Operating Environment

Recommended Operating Environment specifies parameters for which the electrical and optical characteristics hold unless otherwise noted.

Parameter Symbol Min. Typical Max Unit
Power Supply Voltage VCC 3.135 3.300 3.465 V
Operating Case Temperature TC 0 25 70 °C


Low Speed Characteristics

Parameter Symbol Min. Typical Max Unit
Power Consumption     0.8 1 W
TX_Fault,RX_LOS VOL 0   0.4 V
VOH Host_Vcc-0.5   Host_Vcc+0.3 V
TX_DIS VIL -0.3   0.8 V
VIH 2.0   VCCT+0.3 V
RS0,RS1 VIL -0.3   0.8 V
VIH 2.0   VCCT+0.3 V


Electrical Characteristics

      Parameter Conditions Symbol Min. Typical Max Unit
Nominal Data Rate   VID   10.3125   Gbps
Supply Voltage   Vcc 3.14   3.46 V
Supply Current   Icc   200 300 mA
Power Dissipation   P     1 W
Transmitter  
Input differential impedance 2 Rin   100   Ω
Single ended data input swing 3 Vin,pp 90   350 mV
Transmit Disable Voltage 4 VD 2   Vcc V
Transmit Enable Voltage   VEN Vee   Vee+ 0.8 V
Receiver
Termination Mismatch at 1 MHz   ΔZM     5 %
Single Ended Output Voltage Tolerance     -0.3   4.0 V
Output AC Common Mode Voltage         7.5 mV RMS
Output Rise and Fall time (20% to 80%) 5 Tr, Tf 30     Ps
Relative Noise LRM Links with crosstalk 6 dRNx     TBD equation dB/Hz
Difference Waveform Distortion Penalty 7 dWDP per SFF-8431 dB
Differential Voltage Modulation Amplitude   VMA 180   600 mV
LOS Fault 8 VLOS fault 2   VccHOST V
LOS Normal 8 VLOS norm Vee   Vee+ 0.8 V
Power Supply Noise Tolerance 9 VccT/VccR per SFF-8431 mVpp

Notes:

  1. Non-condensing.
  2. Connected directly to TX data input pins. AC coupling from pins into laser driver IC.
  3. Per SFF-8431 Rev 3.0
  4. Into 100 ohms differential termination.
  5. Measured with Module Compliance Test Board and OMA test pattern.
  6. Crosstalk source rise/fall time (20%-80%) is 35 ps.
  7. Defined with reference receiver with 14 T/2 spaced FFE taps and 5 T spaced DFE taps.
  8. LOS is an open collector output. Should be pulled up with 4.7k – 10kΩ on the host board. Normal operation is logic 0; loss of signal is logic 1. Maximum pull-up voltage is 5.5V.
  9. As described in Section 2.8.1, SFF-8431 Rev 3.0.


General Specifications

Parameter Symbol Min. Typical Max Unit Notes
Bit Rate BR   10.3125   Gb/sec 1
Bit Error Ratio BER     10-12   2
Maximum Supported Distances
Fibre Type 1310nm OFL Bandwidth            
62.5μm “FDDI” 160MHz/km Lmax     220 m 3
OM1 200MHz/km     220
50μm 400MHz/km Lmax     100 m 3
OM2 500MHz/km     220
OM3 2000MHz/km     220

Notes:

  1. 10GBASE-LRM
  2. Tested with a 231 – 1 PRBS
  3. Operating range as defined by IEEE standards. Longer reach possible depending upon link implementation.

 

Optical Characteristics

Parameter Symbol Min. Typical Max Unit Notes
Transmitter
Center Wavelength λt 1260   1355 nm  
RMS spectral width λrms @1260nm - - 2.4 nm 2
λrms @ 1260nm-1300 2.4
λrms @ 1300nm-1355 4
Average Optical Power Pavg -6.5 - 0.5 dBm 1
Extinction Ratio ER 3.5 - - dB  
Optical Modulation Amplitude (OMA) POMA -4.5   +1.5 dBm  
Peak Launch Power PMAX     3 dBm  
Transmitter Waveform Dispersion Penalty TWDP     4.7 dB 3
Average Launch power of OFF transmitter POFF     -30 dBm  
Uncorrelated Jitter [rms] Txj     0.033 UI  
Encircled Flux <5μm 30     %  
<11μm 81      
Transmitter Reflectance       -12 dB  
Optical Return Loss Tolerance   20     dB  
Relative Intensity Noise   Rin     -128 dB/Hz  
Receiver
Comprehensive Stressed Receiver Sensitivity (OMA) @ 10.3125Gb/s Precursor - - -6.5 dBm 5
Symmetrical     -6 dBm
Postcursor     -6.5 dBm
LOS  Assert LosA -30 -   dBm  
LOS De-assert LosD     -11 dBm  
Overload PMAX +1.5 -   dBm 4
Receiver Reflectance   - - -12 dB  
LOS Hysteresis   0.5     dB  

Notes:

  1. Average power figures are informative only, per IEEE802.3aq
  2. Maximum RMS spectral width as specified by Figure 3
  3. Optical Eye Mask requires the host board to be SFF-8431 compliant. Optical eye mask per IEEE802.3aq.
  4. TWDP figure requires the host board to be SFF-8431compliant. TWDP is calculated using the Matlab code provided in clause 68.6.6.2 of IEEE802.3aq
  5. Receiver overload specified in OMA and under the worst comprehensive stressed condition.
  6. Conditions of stressed receiver tests per IEEE802.3aq. CSRS testing requires the host board to be SFF-8431 compliant.

Digital Diagnostic Functions

The following digital diagnostic characteristics are defined over the Recommended Operating Environment unless otherwise specified. It is compliant to SFF8472 Rev9.2 with internal calibration mode. For external calibration mode please contact us.

Parameter Symbol Min. Max Unit Notes
Accuracy
Transceiver Temperature DMI_Temp -3 +3 degC Over operating temp
TX Output optical power DMI_TX -3 +3 dBm  
RX Input optical power DMI_RX -3 +3 dBm -3dBm to -12dBm range
 Transceiver Supply voltage DMI_VCC -0.08 +0.08 V Full operating range
Bias current monitor DMI_Ibias -10% 10% mA  
Dynamic Range Accuracy
Transceiver Temperature DMI_Temp -5 70 degC  
TX Output optical power DMI_TX -9 -1 dBm  
RX Input optical power DMI_RX -18 0 dBm  
Transceiver Supply voltage DMI_VCC 3.0 3.6 V  
Bias current monitor DMI_Ibias 0 70 mA  
             

Interface to Host PCB    

Interface to Host PCB


Module Contact Assignment     

Module Contact Assignment


Pin Descriptions

Pin Symbol Name/Description
1 VEET [1] Transmitter Ground
2 Tx_FAULT [2] Transmitter Fault
3 Tx_DIS   [3] Transmitter Disable. Laser output disabled on high or open
4 SDA [2] 2-wire Serial Interface Data Line
5 SCL [2] 2-wire Serial Interface Clock Line
6 MOD_ABS [4] Module Absent. Grounded within the module
7 RS0 [5] Rate Select 0
8 RX_LOS [2] Loss of Signal indication. Logic 0 indicates normal operation
9 RS1 [5] Rate Select 1
10 VEER [1] Receiver Ground
11 VEER [1] Receiver Ground
12 RD- Receiver Inverted DATA out. AC Coupled
13 RD+ Receiver DATA out. AC Coupled
14 VEER [1] Receiver Ground
15 VCCR Receiver Power Supply
16 VCCT Transmitter Power Supply
17 VEET [1] Transmitter Ground
18 TD+ Transmitter DATA in. AC Coupled
19 TD- Transmitter Inverted DATA in. AC Coupled
20 VEET [1] Transmitter Ground

Notes:

  1. Module circuit ground is isolated from module chassis ground within the module.
  2. Should be pulled up with 4.7k – 10k ohms on host board to a voltage between 3.15Vand 3.6V.
  3. Tx_Disable is an input contact with a 4.7 kΩ to 10 kΩ pullup to VccT inside the module.
  4. Mod_ABS is connected to VeeT or VeeR in the SFP+ module. The host may pull this contact up to Vcc_Host with a resistor in the range 4.7 kΩ to10 kΩ.Mod_ABS is asserted “High” when the SFP+ module is physically absent from a host slot.
  5. RS0 and RS1 are module inputs and are pulled low to VeeT with > 30 kΩ resistors in the module.

Host Board Power Supply Filters Circuit    

Host Board Power Supply Filters Circuit


Host-Module Interface    

Host-Module Interface


Mechanical Specifications   

Mechanical Specifications


Regulatory Compliance

The compatible SFP+ transceiver is designed to be Class I Laser safety compliant and is certified per the following standards:

Feature Standard
Laser Safety CDRH 21 CFR 1040 annd Laser Notice No. 50
Product Safety UL and CUL EN60950-2:2007
Environmental protection RoHS Directive 2002/95/EC
EMC EN 55022:2006+A1:2007 EN 55024:1998+A1+A2:2003

References

“Specifications for Enhanced Small Form Factor Pluggable Module SFP+”, SFF-8431, Rev 4.1, July 6, 2009.

  1. “Improved Pluggable Formfactor”,SFF-8432, Rev 4.2,Apr 18,2007
  2. 3ae – 2002
  3. “Diagnostic Monitoring Interface for Optical Transceivers” SFF-8472, Rev 10.3, Dec 1,2007

Important Notice

Performance figures, data and any illustrative material provided in this datasheet are typical and must be specifically confirmed in writing by Compatible SFP before they become applicable to any particular order or contract. In accordance with the Compatible SFP policy of continuous improvement specifications may change without notice. The publication of information in this datasheet does not imply freedom from patent or other protective rights of Compatible SFP or others. Further details are available by emailing info@compatiblesfp.com.

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