Generic Compatible 200G QSFP56 LR4 Transceiver Module | 200GBASE-LR4 1310nm LWDM4 10KM PAM4 Duplex LC/UPC SMF Bulk Wholesale | HYTOPTODEVICE

Generic Compatible 200G QSFP56 LR4 Transceiver Module | 200GBASE-LR4 1310nm LWDM4 10KM PAM4 Duplex LC/UPC SMF Bulk Wholesale | HYTOPTODEVICE

Product Overview

HYTOPTODEVICE generic 200G QSFP56 LR4 transceiver follows 200GBASE‑LR4 and QSFP56 MSA SFF‑8636 standards. It delivers stable 200Gbps (4×53.125G PAM4) transmission up to 10km over OS2 single‑mode fiber with LWDM4 1310‑grid wavelengths and duplex LC/UPC connector.
This generic optic supports customized EEPROM coding for major switch vendors. HYTOPTODEVICE supplies factory bulk stock, sample testing and OEM solutions for wholesalers, distributors and system integrators building multi‑vendor metro, campus and DCI networks.

Key Technical Specifications


For detailed technical specifications, please refer to the Datasheet

For detailed operation instructions, please refer to the User Guide.

Full Compatibility List & Supported Network Hardware

1. Supported Hardware & Firmware

Connectivity Solutions(Applications)

1. 200G to 200G for Switch-Switch Interconnection

3.200G Structured Cabling

The Core Feature 

FAQ

Q1: Can this generic LWDM4 200G QSFP56 LR4 transceiver run on QSFP28 ports after EEPROM coding?
A: No, this generic 200GBASE‑LR4 transceiver runs at fixed 200G PAM4 rate and cannot down‑operate on QSFP28 ports. Link failure will occur if inserted into QSFP28 slots. Deployment requires native QSFP56 ports.

Q2: Can this generic LWDM4 LR4 optic interoperate directly with 200G FR4 CWDM4 transceivers on the same fiber link?
A: No. LWDM4 LR4 and CWDM4 FR4 use different wavelength grids and optical budgets. Both ends must deploy matching 200GBASE‑LR4 LWDM4 modules to establish a valid link.

Q3: Can we order this generic module pre‑coded for several different switch brands in one bulk shipment?
A: Yes. HYTOPTODEVICE supports mixed EEPROM coding in one batch. You only need to specify the vendor list and quantities when placing the order, ideal for system integrators with multi‑vendor projects.

Q4: Is multimode fiber acceptable to run this generic 10km 200G LR4 link?
A: No. This module is designed exclusively for OS2 single‑mode fiber. Multimode fiber suffers severe dispersion and loss at 1310nm, which cannot sustain stable 10km 200G transmission and will trigger packet loss.

Q5: What benefit does LWDM4 narrow wavelength spacing bring for generic multi‑vendor 200G LR4 links?
A: LWDM4 narrow channel spacing improves wavelength tolerance under PAM4 modulation. It suppresses wavelength drift caused by temperature variation and keeps consistent optical performance across different brand host switches.

Q6: Do short links below 1km need optical attenuation when using this generic 200G LWDM4 LR4 module?
A: Yes. This long‑reach LR4 module has high transmit power. Direct connection under 1km will overload the APD receiver. A matched LC duplex attenuator must be installed on the receive side for power protection.

Q7: How much impact does chromatic dispersion create for 10km LWDM4 200GBASE‑LR4 links?
A: Chromatic dispersion broadens optical pulses and raises BER. Our generic LR4 modules are pre‑characterized for LWDM4 dispersion budgets, maintaining low error rate and stable connectivity at the full 10km reach over qualified OS2 fiber.

Q8: What risk comes from excessive receive power on this generic LWDM4 200G QSFP56 LR4 transceiver?
A: The integrated APD receiver is sensitive to high optical input power. Unattenuated short links are the top cause of receiver burnout. Proper power attenuation protects hardware and extends module service life.

Q9: What ambient temperature range suits this generic commercial grade 200G LR4 optic?
A: This commercial variant runs reliably from 0℃ to 70℃ for standard data center cabinets. Industrial grade (-40℃ ~ +85℃) versions are available on request for harsh field sites.

Q10: Does this generic 200GBASE‑LR4 QSFP56 module follow official MSA and IEEE standards?
A: Yes. It complies fully with IEEE 802.3bs and QSFP56 MSA SFF‑8636. CMIS DDM monitoring and mechanical dimensions follow standard specifications to guarantee broad host compatibility.

Q11: Can HYTOPTODEVICE provide test certificates and compliance files for bulk customs clearance and project audit?
A: Yes. All generic 200G LR4 modules carry RoHS certification. We provide full test reports and supporting documentation to help distributors and integrators complete customs filing and tender audits.

Q12: What after‑sales support do bulk buyers get for these programmable generic optics?
A: Bulk orders enjoy long‑term warranty and fast replacement service. We keep stock for quick global delivery, and dedicated technical support for integrators and distributors working on large network builds.

Q13: What maintenance schedule should we follow for deployed 10km LWDM4 200G LR4 links?
A: Clean LC end faces before installation. For permanent production links, inspect connector loss and clean ports every 6‑12 months to avoid signal degradation from dust contamination.

Q14: Can this generic 200G QSFP56 LR4 LWDM4 module work on 6‑7km metro DCI fiber runs?
A: Yes. The 10km rated module has sufficient optical margin for 6‑7km DCI links. It tolerates typical splice and connector loss on OS2 fiber and delivers stable 200G connectivity.

Q15: Is this generic LWDM4 LR4 transceiver suitable for telecom operator leased dark fiber circuits?
A: Yes. It meets standard MSA specs for dark fiber deployments. Our engineering team can help you complete link budget calculation to match the loss profile of operator leased fiber.

Packaging & Custom OEM Solutions