100G QSFP28 BIDI Tx1291nm/ Rx1311 nm

Price: Rs 152401.50

100Gbps Bi-Directional Simplex LC QSFP28 Transceiver

100G QSFP28 BIDI • 20KM Single Fiber • Simplex LC • Low Power <4W • DDM Supported

The 100Gbps Bi-Directional (BIDI) Simplex LC QSFP28 Transceiver is a high-performance optical module designed for 100G Ethernet, data centers, ISP backbone networks, enterprise fiber infrastructure, and telecom applications. It enables full-duplex 100Gbps communication over a single strand of single-mode fiber (SMF), reducing fiber requirements and lowering deployment costs.

Utilizing PAM4 modulation, EML laser technology, and an integrated PIN receiver, this module supports transmission distances up to 20 km. It features a simplex LC connector, integrated Digital Diagnostic Monitoring (DDM), low power consumption, and compliance with major QSFP28 industry standards.

Speed

100Gbps

Fiber

Single Fiber

Distance

20KM

Connector

Simplex LC

Key Features

✔ 100Gbps PAM4 Optical Transmission

✔ Up to 20KM over Single Mode Fiber (SMF)

✔ Single Fiber Bi-Directional (BIDI) Communication

✔ EML Laser & PIN Receiver

✔ QSFP28 MSA Package with Simplex LC Connector

✔ Integrated Digital Diagnostics Monitoring (DDM)

✔ Low Power Consumption (<4W)

✔ Hot-Pluggable QSFP28 Form Factor

Applications

100G Ethernet Networks

Data Center Networks

ISP Backbone Infrastructure

Enterprise Optical Networks

Telecommunication Systems

100GBASE-LR BIDI Links

Technical Specifications

Category	Specification
Product Type	100Gbps QSFP28 Bi-Directional Optical Transceiver
Data Rate	106.25Gbps PAM4
Electrical Interface	4 × 25.78Gb/s NRZ (CAUI-4)
Fiber Type	Single Mode Fiber (SMF)
Transmission Distance	Up to 20 km
Connector	Simplex LC
Laser Type	EML Laser
Receiver	PIN Photodiode
Operating Wavelength	Tx1291/Rx1311nm or Tx1311/Rx1291nm
Power Supply	Single +3.3V
Power Consumption	< 4W
Digital Diagnostics	DDM / DOM Supported
Operating Temperature	0°C to +70°C
Compliance	SFF-8636, SFF-8679, QSFP28 MSA, 100G Lambda MSA, RoHS

Ordering Information

Variant	Laser Configuration	Distance	DDM	Latch Color
A	TX1291 / RX1311	20KM	Yes	Purple
B	TX1311 / RX1291	20KM	Yes	Red

Digital Diagnostics Monitoring (DDM)

Monitoring Parameter	Range	Accuracy
Temperature	0°C to 70°C	±3°C
Supply Voltage	0 to VCC	±3%
TX Bias Current	0–100mA	±10%
TX Optical Power	-0.2 to 6.8dBm	±3dB
RX Optical Power	-10 to 6.6dBm	±3dB

Note: QSFP28 BIDI transceivers must always be installed as matched wavelength pairs. Use TX1291/RX1311 on one end and TX1311/RX1291 on the opposite end to establish a proper 100Gbps optical link over a single fiber.