HSGQ 10G SFP+ DWDM 20–100km – Flexible Optical Connectivity for Long-Distance Networks

Upgrading a fiber network is not always about installing faster switches. When multiple network locations need 10 Gigabit Ethernet connectivity across different distances, selecting the correct optical transceiver becomes equally important.

The HSGQ 10G SFP+ DWDM 20–100km Module Series is marketed for high-speed optical networking over single-mode fiber. HSGQ lists multiple distance-specific SFP+ transceiver variants, including options rated from 20km up to 100km, for compatible switches, routers and other 10G networking equipment.

The series is relevant to ISP distribution networks, metropolitan fiber infrastructure and enterprise backbone projects where optical reach, wavelength selection and equipment compatibility must be evaluated together.

Different Distance Ratings Require Different Modules

The 20–100km range refers to separate optical transceiver models, not an adjustable distance setting on one module.

HSGQ's published product family includes:

• 20km LR: SFP+-10G-20LR variants

• 40km ER: SFP+-10G-40ER variants

• 60km ER: SFP+-10G-60ER variants

• 80km ZR: SFP+-10G-80ZR variants

• 100km ZR: SFP+-10G-100ZR variants

The manufacturer lists a 10.3125Gbps optical signaling rate for the series, supporting 10 Gigabit Ethernet applications.

For an ISP or network administrator, the appropriate variant depends on actual route length, available optical power budget, required wavelength and compatible equipment at both endpoints.

Before ordering, confirm the complete model code rather than selecting a module using only its advertised maximum distance.

Understanding DWDM and BiDi Specifications

HSGQ markets this product family under the DWDM name, but its published technical table describes several BiDi single-fiber variants.

The listed configurations include complementary 1270nm/1330nm wavelengths for several distance options and 1490nm/1550nm configurations for selected longer-distance models.

In a BiDi connection, matched transmit and receive wavelengths allow compatible optical modules to communicate over one single-mode fiber strand.

A conventional DWDM deployment, however, requires compatible wavelength channels and optical multiplexing equipment when multiple channels share the same fiber infrastructure.

These technologies should not be treated as interchangeable.

The correct fiber arrangement, connector type and wavelength channel must therefore be confirmed against the exact HSGQ transceiver SKU and its datasheet.

Reliable 10G Links Begin with Optical Budget Planning

Long-distance fiber networks require careful attention to optical signal loss.

Although HSGQ advertises transceiver variants reaching up to 100km, the actual supported distance depends on the selected model's transmitter power, receiver sensitivity, receiver overload limit and total fiber attenuation.

For installation planning, engineers should consider the cable route, splice losses, connector insertion loss and available engineering margin.

A longer-reach module is not automatically suitable for every shorter link. Excessive received optical power can also create operating problems if the transceiver and link are not matched correctly.

Checking the module specifications before deployment helps avoid selecting the wrong optical components for a network upgrade.

DDM Monitoring and Cisco Equipment Compatibility

HSGQ advertises Digital Diagnostic Monitoring (DDM) for this optical transceiver family.

On supported networking devices, DDM can provide access to available optical power and module operating information. These diagnostics may assist technicians when commissioning a fiber connection or investigating unstable network links.

The product is also marketed as compatible with Cisco and several other networking platforms.

However, Cisco-compatible does not mean compatible with every Cisco switch or router. Actual operation depends on the device model, firmware, supported transceiver identification and optical specification.

Before installation, verify that the host device supports the required 10G SFP+ transceiver and that the remote endpoint uses matching optical characteristics.

Applications for ISP, Telecom and Enterprise Networks

The HSGQ 10G SFP+ optical transceiver family is intended for networking environments where different locations require high-capacity fiber connectivity.

ISP aggregation: Connect compatible switches and routers between distribution locations and upstream network facilities.

Metropolitan Ethernet: Select a suitable optical variant for connecting networking sites separated by longer fiber routes.

Enterprise backbone: Build high-bandwidth point-to-point connections between major network distribution locations.

For projects that specifically require conventional dual-fiber LC connections rather than a BiDi configuration, you can compare the HSGQ 10G SFP+ Dual Fiber 20–120km Module Series. The exact transceiver variants and optical specifications should be checked before purchase.

HSGQ 10G SFP+ DWDM Module Price in Bangladesh

The HSGQ 10G SFP+ DWDM 20–100km Module is currently listed as Upcoming / Pre-Booking at Trende Bangladesh. A confirmed selling price has not been published.

For buyers comparing 10G SFP+ Module prices in Bangladesh, HSGQ offers distance-specific optical options for suitable 10 Gigabit Ethernet installations.

Before requesting a quotation, identify the required distance, exact module model, wavelength arrangement, connector type and networking equipment.

Contact Trende Bangladesh to confirm model availability, pricing, warranty and technical compatibility.