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10G XFP LR 1310 nm 20 km

ASCENT’s XFP-AT-LP-31-20 Small Form Factor 10 G (XFP) transceivers are designed for use in 10-Gigabit Ethernet links up to 20km over single mode fiber. This XFP LR transceiver module is widely used in applications such as Internet Service Provider (ISP) Fiber To The Home (FTTH) aggregation and backbone, Various Data Communication 10G Ethernet & SONET OC‐192 /SDH, 1200‐SM‐LL‐L 10G Fibre Channel Links, Data Center networking for Ethernet and Fiber Channel SAN Networking and other optical links. The module features a highly reliable 1310nm DFB transmitter and PIN photo-detector into duplex LC optical connector. It compliant with the current XFP Multi-Source Agreement (MSA) Specification1. They comply with 10-Gigabit Ethernet 10GBASE-LR/LW per IEEE 802.3ae and 10G Fiber Channel. Digital diagnostics functions are available via a 2- wire serial interface, as specified in the XFP MSA. The transceiver is RoHS compliant and lead-free per Directive 2002/95/EC3.

    Hot-pluggable XFP footprint

    Supports 9.95 Gb/s to 11.3 Gb/s bit rates

    XFI Loopback Mode

    RoHS-6 Compliant (lead-free)

    Power dissipation < 2.0 W

    Case temperature range: 0 °C to 70 °C

    Maximum link length of 20 km

    DFB laser and PIN receiver

    Full Duplex LC connector

    No Reference Clock required

    Built-in digital diagnostic functions

    Standard bail release mechanism


Absolute Maximum Ratings

Parameter 

Symbol

Min.

Typ.

Max.

Unit    Note 

Maximum Supply Voltage 

Vcc3

‑0.5


4.0

V         

Storage Temperature 

TS

‑40


85

°C

Case Operating Temperature 

Tcase

0
-40


70
85

°C        Commercial
°C        Industrial


Electrical Characteristics

Parameter

Symbol

Min.

Typ.

Max.

Unit

Note

Supply Voltage #2

Vcc3

3.1

3.3

3.5

V


Supply Current – Vcc3 Supply

Icc3



600

mA


Module Total Power

P



2.0

W

1

Transmitter






Input Differential Impedance

Rin


100


Ω

2

Differential Data Input Swing

Vin,pp

120


820

mV


Transmit Disable Voltage

VD

2.0


Vcc

V

3

Transmit Enable Voltage

VEN

GND


GND+ 0.8

V


Transmit Disable Assert Time




10

µs


Receiver






Differential data output swing

Vout,pp

340

650

850

mV

4

LOS Fault

VLOS fault

Vcc – 0.5


VccHOST

V

5

LOS Normal

VLOS norm

GND


GND+0.5

V

5

Notes: 

1. Maximum total power value is specified across the full temperature and voltage range. 

2. After internal AC coupling. 

3. Or open circuit. 

4. Into 100 Ω differential termination. 

6. Loss Of Signal is open collector to be pulled up with a 4.7 kΩ to 10 kΩ resistor to 3.15 – 3.6V. Logic 0 indicates normal operation; logic 1 indicates no signal detected. 


Optical Characteristics 

Parameter

Symbol

Min

Typ.

Max

Unit

Note

Transmitter 

Average Optical Power 

Pout

‑6


‑1

dBm


Optical Wavelength 

λ

1290

1310

1330

nm


Side mode Suppression ratio 

SMSR

30



dB


Optical Extinction Ratio 

ER

3.5



dB


Average Launch Power of OFF Transmitter

POFF



‑30

dBm


Tx Jitter

Txj

Compliant with 802.3ae requirements


Receiver 

Receiver Sensitivity 

RSEN



‑15

dBm

1

Input Saturation Power (Overload)

Psat

0.5



dBm


Wavelength Range

λC

1270


1610

nm


Receiver Reflectance 

Rrx



‑14

dB


LOS De‑Assert 

LOSD



‑18

dBm


LOS Assert 

LOSA

‑32



dBm


LOS Hysteresis 


0.5



dB


Notes: 

1. Measured with BER < 10‑12 @ 10.3 Gbps, 231 ‑ 1 PRBS. 


General Specifications

Parameter

Symbol

Min

Typ

Max

Units

Note

Bit Rate

BR

9.95


11.3

Gb/s

1

Bit Error Ratio

BER



10‑12


2

Max. Supported Link Length

LMAX



20

km

1

Notes: 

1. 10GBASE‑LR/LW.

2. Tested with 10.3 Gbps, 231 ‑ 1 PRBS.

 

Regulatory Compliance

Feature

Reference

Performance

Electrostatic Discharge (ESD)

IEC/EN 61000‑4‑2

Compatible with standards

Electromagnetic Interference (EMI)

FCC Part 15 Class B EN 55022 Class B (CISPR 22A)

Compatible with standards

Laser Eye Safety

FDA 21CFR 1040.10, 1040.11 IEC/EN 60825‑1, 2

Class 1 laser product

Component Recognition

IEC/EN 60950, UL

Compatible with standards

ROHS

2002/95/EC

Compatible with standards

EMC

EN61000‑3

Compatible with standards


 


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