Coherent (Finisar) Compatible 200G QSFP56 Optical Transceivers
Product Overview
This page covers the Apex 200G QSFP56 range supplied for platforms coded for Finisar and Coherent optics. The modules are third party products built to the QSFP56 MSA; they are not manufactured by, and are not affiliated with, Finisar or Coherent.
200G QSFP56 is the four lane PAM4 step between 100G and 400G, and it is the port speed used widely in the generation of switches and server adapters that sit behind 400G fabrics. Because a 200G port is usually a breakout of a faster port or an uplink in a large campus, the failure of one module can take out a whole segment of the network, which makes a coded spare important.
The range covers 100m multimode SR4 through 500m DR4 and 2km FR4 single mode grades, including 2xFR4 versions that break a 200G port into two 100G links. Every module carries an EEPROM image written for the host platform, supports DDM and is supplied with a test report.
Key Features
- 200G QSFP56 range covering SR4, DR4, FR4 and 2xFR4 grades
- Four lane 50G PAM4 per lane operation
- EEPROM coded for the platform and part number you name
- Third party product, not manufactured by or affiliated with Finisar or Coherent
- 2xFR4 versions allow a 200G port to be split into two 100G links
- Digital Diagnostic Monitoring (DDM/DOM) with live optical readings
- Stock held on the common grades for same day quoting
- RoHS compliant, supplied with a test report and a 3 year warranty
Technical Specifications
| Specification | Detail |
|---|
| Part Number | APX-QSFP56-200G-xx (grade dependent) |
| Manufacturer | Apex |
| Product Type | Third party compatible module, QSFP56 MSA |
| Platform Compatibility | Platforms coded for Finisar and Coherent 200G QSFP56 optics |
| Data Rate | 212.5Gbps (4 x 53.125Gbps PAM4) |
| Form Factor | QSFP56, hot pluggable |
| Coding | Written to order for the named platform |
| DDM / DOM | Supported, per lane |
| Supply Voltage | 3.3V |
| Compliance | QSFP56 MSA, RoHS |
| Temperature | 0 to 70C commercial, -40 to 85C industrial on request |
| Warranty | 3 years |
Ordering Options
Family options are listed below as plain text so they can be copied into an RFQ or a spreadsheet.
| Grade | Reach | Fiber | Interface |
|---|
| SR4 | 100m | Multimode | MPO/MTP |
| DR4 | 500m | Single mode | MPO/MTP |
| FR4 | 2km | Single mode | LC duplex (CWDM) |
| 2xFR4 | 2km | Single mode | 2 x LC duplex (CWDM) |
| 2xDR4 | 500m | Single mode | 2 x MPO/MTP |
| AOC | 1m to 30m | Multimode | QSFP56 to QSFP56 |
Applications
Server and Storage Uplinks
Connects 200G adapters and storage controllers to a leaf or top of rack switch on platforms coded for Finisar or Coherent optics.
Campus and Metro Links
Carries 200G between buildings or to a metro point of presence with FR4 and 2xFR4 grades on single mode fiber.
200G to 2 x 100G Breakout
Uses a 2xFR4 module to feed two 100G links from one 200G port, matching fabric designs that aggregate 100G services.
Compatibility
We ask for the host platform and the part number being replaced, then write the module EEPROM to match so the port comes up at the expected rate and the switch reports sensible values. Breakout behaviour is decided by the platform rather than the module, so tell us whether the port runs as 200G or as 2 x 100G. APEX supplies these modules as a third party source: the products are not manufactured by, endorsed by, or affiliated with Finisar or Coherent.
Related Products
Frequently Asked Questions
Are these modules made by Finisar or Coherent?
No. They are third party APEX modules built to the QSFP56 MSA and coded for platforms that accept Finisar or Coherent optics. They are not manufactured by, endorsed by, or affiliated with Finisar or Coherent.
Can one 200G port be split into two 100G links?
Yes, with a 2xFR4 or 2xDR4 module where the platform supports that breakout mode. The switch configuration decides whether the port presents as 200G or as 2 x 100G.
Which grade suits a 2km link?
FR4 at 2km on single mode fiber is the standard choice, and 2xFR4 where the port is used as two 100G links. For 500m or less, DR4 is the lower cost option.
Are the common grades in stock?
Yes. SR4, DR4 and FR4 are held in stock and quoted the same day, with 2xFR4 and 2xDR4 built to order.
Why Choose Apex
- Optical engineering support and supply from 1.25G to 1.6T, including compatible and coded ranges.
- Coding confirmed against the platform and part number before the order is released.
- Every module is tested for optical power and error rate, with a test report supplied.
- Backed by a 3 year warranty and technical support before and after the sale.
.jpg "FTLC9558REPM")
