Fibertop - Global Optical Module Manufacturer -HPC,Data Center

100GBASE-DR1 QSFP28 100G 500m Transceiver

100GBASE-DR1 QSFP28 100G 500m Transceiver

SKU: QFP-PM31HG-S5DC

Product Highlights

Lane signaling rate 106.25Gb/s with PAM4

Up to 500m transmission on SMF

EML Laser and PIN receiver

4x25.78Gb/s with NRZ electrical interface (CAUI-4)

Support KP4 FEC inside the module

High speed I/O electrical interface

I2C interface with integrated Digital Diagnostic monitoring

QSFP28 MSA package with duplex LC connector

Compliant to 802.3cu, SFF-8636&SFF-8679 standard

Compliant to 100G Lambda MSA 100G-LR1 Optical Specifications

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QSFP28 100G 500m 100GBASE-DR1 PAM4 DDM Transceiver

QFP-PM31HG-S5DC 100G QSFP28 DR1 single wavelength transceiver, 1310nm PAM4, 500m SMF reach, built-in KP4 FEC, full DDM monitoring, low power <3.5W, 0~70°C commercial temp, duplex LC connector. Widely used for TOR to Spine interconnection in data centers, fully compatible with major brand QSFP28 network switches.

Technical Specification

Vendor Name	FIBERTOP	FIBERTOP Part Number(s)	QFP-PM31HG-S5DC
Transceiver Type	DR1	Reach	500m
Wavelength	1311nm	Form Type	QSFP28
Speed Description	100G	Media	SMF
Connector	Duplex LC	Extinction Ratio	＞3.5 dB
TX Power	-2.9 ~ 4 dBm	Receiver Sensitivity	< Max (-3.9, -5.3 + SECQ) dBm
Applications	Data Center 100 Gigabit Ethernet	Environment	Operating:0 to 70℃

Questions & Answers

Q1: What does QFP-PM31HG-S5DC stand for? What specs does it support?

A：QFP-PM31HG-S5DC is 100G QSFP28 DR1 optical transceiver, 1310nm wavelength, 500m reach over single mode fiber, commercial temperature 0~70°C, equipped with full DDM digital diagnostic monitoring, complies with IEEE 802.3cu and QSFP28 MSA standards.

Q2: What transmission rate and encoding mode does this module adopt?
A: Optical side: 53.125GBd PAM4 signaling, total 100Gbps bandwidth; Electrical side: 4 lanes × 25.78Gbps NRZ CAUI-4 interface, integrated built-in KP4 FEC to improve link error performance.

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