TX>3.5dBm/CH 丨 RX < -28dBm/CH -20℃~80℃丨< 6.5w丨Factory warranty |
| CLOTU4QBD80-A CLOTU4QBD80-B |
● Compliant with QSFP28 Standard: ● SFF-8665 Rev 1.9, SFF-8636 Rev 2.6 ● High speed I/O electrical interface (CAUI-4) compliant with IEEE 802.3bm-2015 ● 100G BASE-ZR4 / 112G OTU4 80km point-to-point links ● Rx sensitivity of -27dBm 5E-5 with enabled KR4 FEC in host from 40km to 80km SMF ● Single 3.3V Supply Voltage ● Power Dissipation 4.5W at 55ºC , 6.5W at 70ºC Case Operating Temperature ● -20ºC is environment temp;80ºC is Case Operating Temperature ● LAN WDM EML cooled laser and SOA+PIN cooled Receiver ● Universal QSFP28 MSA package with Simplex LC connector ● Two Wire Serial Interface with Digital Diagnostic Monitoring ● Complies with EU Directive 2011/65/EU (RoHS compliant) ● LPMode, ModPrsL, ModSeIL and ResetL are supported ● Telecom networking ● Class 1 Laser |
| Specification | |||
| Part Number | CLOTU4QBD80A/B | Vendor | C-LIGHT |
| Form Factor | QSFP28 | Data Rate | 112Gbps |
| Wavelength | 1273nm/1277nm/1282nm/1286nm/1295nm/1300nm/1304nm/1309nm | Distance | 80km |
| Connector | Simplex LC | Media | SMF |
| CD Robustness | 2400(ps/nm) | DDM | YES |
| Transmitter Type | EML | Receiver Type | SOA |
| TX Power | 3.5dBm~7.0dBm | Minimum Receiver Power | > -27dBm |
| Min Power Budget | 30.5dB | Receiver Overload | > -8dBm |
| Power Consumption | ≤ 6.5W | Extinction Ratio | > 8.0dB |
| DDM/DOM | Supported | FEC | Host |
| Ext. Temperature Range | -20°C ~ 80°C | Protocols | 100G ZR4/112G OTU4 80km |
| System Test | ||
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| Related Products | ||||
| Number | CLOTU4QBD80A/B | CL100GQBD80A/B | CL100GQBD30 | CL100GQBD20 |
| Center Wavelength | A side: 1273nm/1277nm/1282nm B side: 1286nm/1295nm/1300nm/1304nm/1309nm | A side: 1273nm/1277nm/1282nm B side: 1286nm/1295nm/1300nm/1304nm/1309nm | 1309.14nm/1304.58nm | 1280nm/1310nm |
| Simplex LC | Simplex LC | Simplex LC | Simplex LC | Simplex LC |
| Cable Distance (Max.) | 80KM | 80KM | 30KM | 20KM |
| Modulation | 4x27.98G NRZ | 4x25G NRZ | 2x53.125G PAM4 | |
| Power Consumption | ≤6.5W | ≤6.5W | ≤5W | ≤5W |
| Transmitter Type | EML | EML | EML | DFB |
| Protocols | SFF-8665 Rev 1. 9 SFF-8636 Rev 2.6 | SFF-8661 Rev 2.5, SFF-8636 Rev 2.10a | 100G-ER1-30, SFF-8636 Rev 2.10a,QSFP28 MSA | SFF-8636 Rev 2.10a, QSFP28 MSA |
| Application | LH/Regional/Metro | Regional/Metro | ||
Application Graph |
f you are interested in the QSFP28 100G / OTU4 4CH BiDi Single Fiber, please contact us,E-mail：sales@c-light.com
A: A 100G QSFP28 BiDi 80KM transceiver is a single-fiber optical module designed for long-distance 100GbE and OTU4 transmission. Using BiDi technology, it enables bidirectional communication over one fiber, helping reduce fiber usage and deployment costs.
Key features include:
100G Ethernet & OTU4 support
Single-fiber BiDi transmission
Up to 80km reach
QSFP28 MSA compliant
Simplex LC connector
It is ideal for telecom networks, Data Center Interconnect (DCI), metro networks, and enterprise optical communication systems.
A: A 100G QSFP28 BiDi module uses four LAN-WDM wavelengths to transmit and receive data over a single optical fiber. It operates as an A/B paired solution, with each module using complementary transmit and receive wavelengths for bidirectional communication.
This design maximizes fiber utilization while maintaining stable and reliable 100G transmission over distances of up to 80km.
A: The C-LIGHT 100G QSFP28 BiDi 80KM is engineered for reliable long-distance optical networking.
Key features include:
100GBASE-ZR4 & OTU4 support
Up to 80km transmission
4-channel LAN-WDM technology
High optical power budget
Low power consumption
Digital Diagnostic Monitoring (DDM)
These capabilities provide stable performance for long-haul single-fiber optical links.
A: Compared with traditional dual-fiber 100G optical modules, a 100G QSFP28 BiDi transceiver provides several important benefits.
Key advantages include:
Uses only one optical fiber
Lower deployment costs
Higher fiber utilization
Simplified network upgrades
Reliable long-distance performance
It is an efficient solution for carrier and enterprise networks where fiber resources are limited.
A: 100G QSFP28 BiDi 80KM modules are widely deployed in long-distance optical communication networks.
Typical applications include:
Data Center Interconnect (DCI)
Metro optical networks
Telecom backbone networks
Enterprise private networks
Carrier transmission systems
These applications benefit from high bandwidth, long transmission reach, and efficient single-fiber communication.
A: A 100G BiDi transceiver reduces fiber requirements by transmitting and receiving signals over a single optical fiber.
Main benefits include:
Saves up to 50% of fiber resources
Lower infrastructure costs
Simplified installation
Excellent equipment compatibility
Reliable transmission up to 80km
It is an ideal choice for upgrading existing fiber networks without deploying additional fiber infrastructure.
A: Selecting the right 100G QSFP28 BiDi 80KM module depends on your network requirements.
Transmission Distance
Confirm the required 80km transmission reach
Module Pairing
Ensure the correct A/B module pairing
Equipment Compatibility
QSFP28 interface compatibility
100GbE or OTU4 application support
Optical Performance
Optical link budget
Operating temperature requirements
Choosing the appropriate module helps ensure stable long-distance transmission and reliable network performance.
A: The C-LIGHT 100G QSFP28 BiDi 80KM combines long-distance performance with efficient single-fiber transmission in a compact QSFP28 package.
It provides:
Up to 80km transmission
Single-fiber BiDi technology
100G Ethernet & OTU4 support
Low power consumption
Excellent compatibility
It is an ideal solution for Data Center Interconnect (DCI), metro networks, telecom backbones, and enterprise optical communication systems.
For any questions, please contact us by email or WhatsApp.
Email: sales@c-light.com
WhatsApp: +86 132 6656 7067
