GPON OLT SFP Class C++

GPON OLT SFP Class C++

Product Highlights
● SC BIDI SFP Single Mode Transceiver
● 1490nm Continuous Mode 2.488 Gbps DFB Transmitter
● 1310nm Burst Mode 1.244 Gbps APD-TIA Receiver
● Single +3.3 Power Supply, Hot-pluggable
● LVTTL receiver Fast Burst Packet Detect indication
● Burst mode received signal strength indication (RSSI) function
Category
PON Modules
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Features
Specification
FAQ

Features

 

 

WFL54320A9-KCSP

 

The GPON OLT SFP Class C++ transceiver is a specialized optical module for GPON systems, compliant with ITU-T G.984.2 standards. Operating at 2.488Gbps downstream and 1.244Gbps upstream, it features a 1490nm DFB transmitter and 1310nm APD receiver over SC/UPC single-mode fiber. Available in Class B+, C+, and C++ power levels with link budgets from 28dB to 33dB, it supports 20km reach and split ratios up to 1:128. With hot-pluggable SFP design, 3.3V supply, and built-in DDM, it delivers reliable performance for FTTx deployments.

1. LVTTL receiver Fast Burst Packet Detect indication

The GPON OLT SFP Class C++ transceiver equipped with an LVTTL receiver featuring fast burst packet detect indication, this transceiver instantly recognizes incoming optical bursts for rapid signal acquisition. This high-speed detection capability ensures minimal packet loss and low latency, critical for dynamic GPON upstream traffic where bursts arrive unpredictably from multiple ONUs. Count on reliable, instantaneous burst recognition that keeps your network responsive and your data flowing without interruption.

2. Burst mode received signal strength indication (RSSI) function

The GPON OLT SFP Class C++ transceiver includes a built-in burst mode RSSI function that measures incoming optical signal strength in real time. This feature gives your network instant feedback on received power levels, ensuring stable performance even with unpredictable burst traffic. With clear and timely signal data, you can quickly spot link issues and keep your network running smoothly.

3. Class I laser safety standard IEC-60825 compliant

Designed to meet strict Class I laser safety requirements under IEC-60825, The GPON OLT SFP Class C++ transceiver is completely safe for everyday use. It poses no risk to eyes or skin under normal operating conditions, making it ideal for offices, data centers, and public networks. Deploy with full confidence knowing that every unit meets international safety standards for worry-free operation.

4. Compliant with SFP MSA and SFF-8472

Built to meet SFP MSA and SFF-8472 standards, this transceiver works smoothly with almost all networking equipment on the market. You can install it into any standards-based switch or router without worrying about compatibility issues or vendor lock-in. Plug it in, and it just works - saving you time and reducing setup headaches.

5. Complies with ITU-T G.984.2 Class B+/ C+/ C++

The GPON OLT SFP Class C++ transceiver meets ITU-T G.984.2 standards with support for Class B+, C+, and C++ power levels, giving you the flexibility to choose the right link budget for your network. This means you can match the transceiver to your specific split ratios and reach requirements without overpaying for unnecessary power. Choose the class that fits your needs, and enjoy reliable, standards-based performance every time.

 

Parameter

 

 

Absolute Maximum Ratings

Parameter

Symbol

Min.

Max.

Unit

Note

Storage Temperature

Tst

-40

+85

°C

 

Operating Case Temperature

Tc

0

70

°C

 

Input Voltage

-

GND

Vcc

V

 

Power Supply Voltage

Vcc-Vee

-0.5

+3.6

V

 

Recommended Operating Conditions

Parameter

Symbol

Min.

Typical

Max.

Unit

Note

Power Supply Voltage

Vcc

3.135

3.3

3.465

V

 

Operating Case Temperature

Tc

0

-

70

°C

 

Data Rate

TX

-

2.488

-

Gbps

 

RX

-

1.244

-

Total Supply Current

-

-

-

400

mA

 

Damage Threshold For Receiver

-

-

-

4

dBm

 

 

Optical Specification

Transmitter

Parameter

Symbol

Min.

Typ.

Max.

Unit

Note

Optical Central Wavelength

l

1480

1490

1500

nm

-

Spectral Width (-20dB)

Dl

-

-

1

nm

-

Side Mode Suppression Ratio

SMSR

30

-

-

dB

-

Average Optical Output Power

Po

+2

+3.5

+5.5

dBm

WFL54320A9-KCS

+3.5

+5

+7

WFL54320A9-KCSF

+5

+7

+10

WFL54320A9-KCSP

Extinction Ratio

Er

8.2

-

-

dB

-

Rise/Fall Time

Tr/Tf

-

-

150

ps

-

Transmitter Total Jitter

Jp-p

-

-

0.1

UI

 

Transmitter Reflectance

RFL

-

-

-12

dB

 

Average Lauched Power of Off Transmitter

Poff

-

-

-39

dBm

-

Differential Input Voltage

VIN-DIF

300

-

1600

mV

-

Tx Disable Input Voltage-Low

VIL

0

-

0.8

V

-

Tx Disable Input Voltage-High

VIH

2.0

-

Vcc

V

-

Output Eye

Compliant with ITU-T G.984.2

Receiver

Parameter

Symbol

Min.

Typ.

Max.

Unit

Note

Operate Wavelength

-

1260

1310

1360

nm

-

Sensitivity

Pr

-

-

-28

dBm

WFL54320A9-KCS

-

-

-30

 

WFL54320A9-KCSF/KCSP

Saturation

Ps

-8

-

-

dBm

WFL54320A9-KCS

-10

-

-

WFL54320A9-KCSF/KCSP

LOS assert Level

-

-45

-

-

dBm

-

LOS De-Assert Level

-

-

-

-30

dBm

-

LOS Hysteresis

-

0.5

-

5

dB

-

Receiver Optical Reflectance

-

-

-

-12

dB

-

Data Output Low

Vol

-2

-

-1.58

V

-

Data Output High

Voh

-1.1

-

-0.74

V

-

LOSOutput Voltage-Low

VSD-L

0

-

0.8

V

-

LOS Output Voltage-High

VSD-H

2.0

-

Vcc

V

 

Note:

1. Minimum Sensitivity and saturation levels for an NRZ 223-1 PRBS. BER≤10-10, 1.244Gpbs, ER=9dB

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