Fibertop - Global Optical Module Manufacturer -HPC,Data Center

100GBASE-LR1 QSFP28 100G 10km Single Lambda

100GBASE-LR1 QSFP28 100G 10km Single Lambda DDM Transceiver

SKU: QFP-PM31HG-S5DC

Product Highlights
Lane signaling rate 106.25Gb/s with PAM4
Up to 10km 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 10km 100GBASE-LR1 Single Lambda DDM Transceiver

QFP-PM31HG-10DC 100G QSFP28 LR1 single wavelength optical module, 1311nm PAM4, 10km SMF reach, built-in KP4 FEC, full DDM monitoring, low power <3.5W, 0~70°C commercial temp, duplex LC connector. Ideal for cross-campus & metro long-distance 100G switch interconnection.

Technical Specification

Vendor Name	FIBERTOP	FIBERTOP Part Number(s)	QFP-PM31HG-10DC
Transceiver Type	FR1	Reach	10km
Wavelength	1311nm	Form Type	QSFP28
Speed Description	100G	Media	SMF
Connector	Duplex LC	Extinction Ratio	> 3.5 dB
TX Power	-1.4 ~ 4.5 dBm	Receiver Sensitivity	< Max (-6.1, -7.5 + TECQ) dBm
Applications	Data center 100 Gigabit Ethernet	Environment	Operating: 0°C to 70°C Storage:-40°C to 85°C

Frequently Asked Questions

Q1: What’s the full spec of QFP-PM31HG-10DC?

A: It is 100G QSFP28 LR1 single-lambda optical module, 1311nm EML laser, up to 10km transmission over single-mode fiber, duplex LC, commercial temp 0~70°C, full DDM monitoring, compliant with IEEE 802.3cu 100G-LR1 standard.

Q2: Signal encoding & electrical interface?

A: Optical side: 53.125GBd PAM4 (106.25Gbps total); Electrical: 4 lanes × 25.78G CAUI-4 NRZ. Built-in KP4 FEC reduces transmission BER.

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