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100G QSFP28 BIDI ZR4 Side A optical transceiver utilizes BiDi technology to deliver 80km transmission over SMF, operating at 1310nm(Tx)/1290nm(Rx) wavelengths. It requires a matched Side B transceiver (1290nm Tx/1310nm Rx) for bidirectional 100Gbps communication, complies with MSA standards, features < 6.5W low power consumption, and supports real-time performance monitoring via DDM/DCM diagnostics.
| Product Features: |
●SFF-8661 Rev 2.5, SFF-8636 Rev 2.10a ●High speed I/O electrical interface (CAUI-4) compliant with IEEE 802.3bm-2015 ●100GBASE-ZR4 103.125G 80km point-to-point Ethernet links ●Rx sensitivity of -28dBm 5E-5 with enabled KR4 FEC in host for up to 80km SMF ●Single 3.3V Supply Voltage ●Power Dissipation 4.5W at 55ºC ,6.5W at 70ºC Case Operating Temperature ●0 ºC is environment temp; 70 ºC 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 |
| Applications |
●Metro Long-Haul Networks: ≤80km 5G transport/backbone links ●Data Center Interconnect (DCI): Point-to-point 100G connectivity with limited fiber ●Fiber Optimization: 50% fiber savings via single-fiber BiDi technology ●Enterprise Private Networks: High-bandwidth leased lines |
| Data Sheet |
| 100G QSFP28 BIDI ZR4 Side A Transceiver - 80km Single-Fiber MSA Module.pdf |
100G QSFP28 BIDI ZR4 Side A 80km Transceiver FAQ
Q1: What is a 100G QSFP28 BIDI ZR4 Side A 80km transceiver?
A 100G QSFP28 BIDI ZR4 Side A transceiver is a single-fiber optical module designed for 100GbE transmission over single-mode fiber. Using BiDi technology, it supports up to 80km transmission with 1310nm (Tx) and 1290nm (Rx) wavelengths. It must be paired with a matching Side B module.
Key features include:
100Gbps data rate
Single-fiber BiDi transmission
Up to 80km over SMF
Simplex LC connector
QSFP28 hot-pluggable form factor
It is ideal for DCI, metro networks, telecom transport, and fiber-constrained deployments.
Q2: How does a 100G QSFP28 BIDI ZR4 Side A transceiver work?
The module uses 1310nm for transmission and 1290nm for reception, enabling bidirectional communication over a single fiber. It works with a Side B transceiver that uses the opposite wavelength pair, reducing fiber usage by up to 50%.
Q3: What are the key features of the C-LIGHT 100G QSFP28 BIDI ZR4 Side A transceiver?
The C-LIGHT module is designed for carrier-grade long-distance transmission.
Key features include:
100Gbps Ethernet transmission
Up to 80km over SMF
1310nm Tx / 1290nm Rx
LAN-WDM EML laser
SOA + PIN receiver
Simplex LC interface
Digital Diagnostic Monitoring (DDM)
Power consumption <6.5W
These features ensure reliable long-distance optical connectivity with efficient fiber utilization.
Q4: What are the advantages of a 100G QSFP28 BIDI ZR4 transceiver?
Compared with traditional dual-fiber modules, it offers:
Single-fiber transmission
Saves up to 50% of fiber resources
Up to 80km reach
Low power consumption
Carrier-grade reliability
It is an ideal solution for long-distance networks with limited fiber availability.
Q5: Where are 100G QSFP28 BIDI ZR4 transceivers commonly used?
These modules are widely deployed in long-distance optical networks.
Typical applications include:
Data Center Interconnect (DCI)
Metro backbone networks
5G transport networks
Telecom infrastructure
Enterprise private networks
Fiber-constrained deployments
These applications require reliable 100Gbps transmission while maximizing fiber efficiency.
Q6: Why choose a 100G QSFP28 BIDI ZR4 instead of a standard 100G ZR4 module?
A 100G BIDI ZR4 transmits over one fiber, while a standard 100G ZR4 requires two fibers.
Its advantages include:
50% fiber savings
Lower cabling costs
Easier network expansion
Long-distance transmission
Excellent compatibility
It is ideal for upgrading existing networks without deploying additional fiber.
Q7: How do you choose the right 100G QSFP28 BIDI ZR4 transceiver?
When selecting a 100G BIDI module, consider:
Transmission distance
Side A / Side B pairing
Fiber type
Optical power budget
Switch compatibility
Operating temperature
Choosing the correct paired modules ensures stable long-distance bidirectional communication.
Q8: Why choose the C-LIGHT 100G QSFP28 BIDI ZR4 Side A 80km transceiver?
The C-LIGHT 100G QSFP28 BIDI ZR4 Side A combines long-distance transmission, single-fiber efficiency, and broad compatibility in a compact QSFP28 package.
It provides:
100Gbps bandwidth
Up to 80km over SMF
Single-fiber BiDi technology
Low power consumption
Broad platform compatibility
It is an ideal solution for DCI, metro networks, telecom transport, enterprise backbones, and fiber-saving network deployments.
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