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2.5G 80km-120km DWDM SFP Optical Transceiver

1550nm 1G fiber optic transceiver
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SPT-PDXXXX-XXD

DWDM SFP Optical Transceiver

Features

  • Wavelength selectable to C-band and L-band ITU-T grid wavelengths
  • Suitable for use in 100GHz channel spacing DWDM systems
  • DWDM SFP MSA Compliant
  • Up to 2. 667Gb/s data rate
  • Cold Start up Wavelength Compliance
  • Low Power Dissipation <1.3W Maximum
  • -5ºC to 70ºC Operating Case Temperature
  • Diagnostic Performance Monitoring of module temperature, supply voltages, laser bias current, transmit optical power, receive optical power, Laser temperature and TEC current
  • Extended link budget with APD receiver technology
  • OC48/STM-16 Long Reach 80km(1600 ps/nm), 120km(2400 ps/nm) Versions
  • RoHS compliant and lead free

Applications

  • SFP Transceivers for DWDM SONET/ SDH
  • Ethernet IEEE 802.3ae
  • Fiber Channel

Description
　　DWDM SFP Transceiver exhibits excellent wavelength stability, supporting operation at 100 GHz channel, cost effective module. It is designed for DWDM SONET/ SDH, Gigabit Ethernet and Fiber- Channel applications.
　　The transceiver consists of two sections: The transmitter section incorporates a colded DFB laser. And the receiver section consists of an APD photodiode integrated with a TIA. All modules satisfy class I laser safety requirements. DWDM SFP transceiver provides an enhanced monitoring interface, 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, laser temperature and TEC current.


Absolute Maximum Ratings

Parameter

Symbol

Min

Max

Unit

Supply Voltage

Vcc

-0.3

4.0

V

Storage Temperature

Tst

-40

85

ºC

Data AC Voltage

TX+-AC

-

2.4

Vpp

Data DC Voltage

TX+-DC

-0.5

2.5

V

Optical Input Received Power

PIN

-

+5

dBm

Operating Conditions

Parameter

Symbol

Min

Typical

Max

Unit

Supply Voltage

Vcc

3.13

3.3

3.47

V

Operating Case temperature

Tca

-5

-

70

ºC

Total Current

Icc

-

-

380

mA

Module Power Dissipation

Pm

-

0.8

1.3

W

Transmitter Specifications – Optical

Parameter

Symbol

Min

Typical

Max

Unit

Data Rate Multirate

Mra

155

2488

2667

Mbps

Center Wavelength(SOL)△

lc

c-25

lc

c+25

pm

Center Wavelength(EOL)▲

lc

c-100

lc

c+100

pm

Optical Transmit Power

Po

0

2

4

dBm

Optical Transmit Power (disabled)

PTX_DISABLE

-

-

-40

dBm

Extinction Ratio

ER

8.2

 

-

dB

Channel Spacing

∆f

-

100

-

GHz

Jitter Generation

TJP-P

-

-

70

mUI

Spectral Width(-20dB)

Dl20

-

0.1

0.3

nm

Side Mode Suppression Ratio

SMSR

30

-

-

dB

Eye Mask

Compliant with Bell core GR-253-CORE & ITU G.957 for SONET/SDH and with IEEE 802.3ae for Ethernet and Fibre Channel

△Laser- Start of Life
▲Laser End of life

Transmitter Specifications – Electrical

Parameter

Symbol

Min

Typical

Max

Unit

Supply Voltage

VccTX

3.13

3.3

3.47

V

PECL/CML

Input

Vtx DIFF

500

-

1600

mV

Input Rise/Fall

TR/TF

-

-

160

ps

TX-Fault Fault

Vf

2

-

Vcc

V

TX-Fault Normal

Vn

Vee

-

Vee+0.5

V

TX_DISABLE (asserted)

VDH

2

-

Vcc

V

TX_DISABLE (negated)

VDL

Vee

-

Vee+0.8

V

APD Receiver Specifications – Optical

Parameter

Symbol

Min

Typical

Max

Unit

Receiver Sensitivity (oc48)

Rsens-1

-

-30

-28

dBm

Receiver Sensitivity (OSNR=20dB)

Rsens-2

-

-

-24

dBm

Maximum Input Power

RX-overload

-9

-

-

dBm

Input Operating Wavelength

λ

1528

-

1564

nm

Reflectance

Rrx

-

-

-27

dB

Loss of Signal Asserted

 

-40

-

-

dBm

LOS De-Asserted

 

-

-

-28

dBm

LOS Hysteresis

 

0.5

-

-

dB

APD Receiver Specifications – Electrical

Parameter

Symbol

Min

Typical

Max

Unit

Supply Voltage

VccRX

3.13

3.3

3.47

V

Differential Output Swing

VoutP-P

370

-

2000

mV

Rise/Fall Time

Tr/Tf

-

-

175

ps

Loss of Signal–Asserted

VOH

2

-

Vcc

V

Loss of Signal–Negated

VOL

Vee

-

Vee+0.5

V

Low Speed Electrical Signal Timings

Parameter

Symbol

Min

Typical

Max

Unit

TX Disable Negate Time

t-on

-

-

20

ms

TX Disable Assert Time

t-off

-

-

20

ms

Timetoinitialize, including reset of TX_FAULT

t_init

-

-

300

ms

Start-up Time

t_startup

-

-

90

s

TX_FAULT/INT Assert Time

t_fault

-

-

50

ms

TX_DISABLE to Reset

t_reset

10

-

-

ms

LOS Assert Time

t_los_on

-

-

100

us

LOS Negate Time

t_los_off

-

-

100

us

SerialI DC lock Rate

f_serial_clock

-

-

100

kHz

Mechanical Dimensions

DWDM SFP

Ordering information

Part Number

Product Description

SPT-PDXX1G-80D

DWDM, 1.25Gbps, 80km, -5ºC~+70ºC, With DDM

SPT-PDXX1G-120D

DWDM, 1.25Gbps, 120km, -5ºC~+70ºC, With DDM

SPT-PDXX48-80D

DWDM, 2.5Gbps, 80km, -5ºC~+70ºC, With DDM

SPT-PDXX48-120D

DWDM, 2.5Gbps, 120km, -5ºC~+70ºC, With DDM

SPT-PDXXM2-120D

DWDM, Multi-rate, 120km, -5ºC~+70ºC, WithDDM

XX=17~61(ITU Channel C-band) 62~16 (ITU Channel L-band)

E-mail:sales@sopto.com
Web: http://www.sopto.com

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