Equip-Link Equip-Link

155M/622M SFP Module Factories & Exporter in the Hanoi Market

High-reliability legacy transceiver systems designed for Hanoi's expanding telecom, power grids, industrial automation infrastructure, and municipal SCADA networks.

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Vietnam's Silicon Valleys: Hanoi's Industrial Digitization

The Hanoi metropolitan area—spanning Hanoi, Bac Ninh, Hai Phong, and Vinh Phuc—has emerged as one of Southeast Asia's most critical hubs for electronics manufacturing and smart infrastructure. Industrial zones like the Thang Long Industrial Park, Quang Minh Industrial Zone, and Hoa Lac Hi-Tech Park host hundreds of global technology leaders and automated production facilities.

This rapid industrialization requires robust, fault-tolerant telecommunications networks. In particular, power grids managed by EVN (Electricity Vietnam), railway communication loops, municipal SCADA water systems, and legacy base stations (BTS) rely heavily on optical links. Despite the global push toward high-speed 100G and 800G networks, legacy 155M and 622M SFP transceivers (corresponding to STM-1/OC-3 and STM-4/OC-12 rates) remain the backbone of these critical, long-lifecycle deployments.

These optical speeds are highly sought after because they balance transmission distance, noise immunity, and electrical-optical conversion efficiency perfectly inside extreme, interference-heavy industrial manufacturing environments.

Why 155M/622M is Indispensable in Hanoi

  • Immunity to EMI: Perfect for high-voltage power substations throughout Hanoi and adjacent power distribution grids.
  • Long Distance Reach: High-sensitivity APD receivers allow 155M optical modules to reliably link over 80km to 120km without intermediate regeneration.
  • Extreme Temp Tolerance: Hanoi's humid, subtropical climate demands industrial-grade transceivers operating from -40°C to +85°C.

Equip-Link Intelligent Equipment (Shenzhen) Co., Ltd.

Your trusted manufacturer and global exporter of high-performance optical transceivers. Founded in 2017, Equip-Link specializes in the design, development, production, and distribution of optical modules for data centers, telecommunication networks, enterprise networking, and automated infrastructure worldwide.

USD 18M+
Annual Export Revenue
14 Years
Industry Expertise
68 Engs
R&D Department Engineers
36 Inspectors
Dedicated QA Specialists

Advanced Optical Module Production Lines

Rigorous Testing Equipment & Quality Control

The Shenzhen-to-Hanoi Supply Chain Corridor

Fast delivery, simplified border customs, and direct technical service for Northern Vietnam's industrial parks.

For network operations and systems integrators in Hanoi, hardware lead times are critical. Equip-Link leverages the geographical proximity of its state-of-the-art facility in Shenzhen to the Vietnam-China border gates. Goods transit via the Huu Nghi Border Gate (Lang Son) or Mong Cai Border Gate (Quang Ninh), reaching warehouses in Hanoi within 48 to 72 hours from completion of production.

By bypassing standard maritime logistics bottlenecks, Hanoi businesses avoid prolonged project delays. This direct route offers substantial cost savings, eliminating high air freight charges while maintaining a highly reliable stream of network replacements and deployments.

Equip-Link’s robust network of 1,280+ qualified partners ensures steady supply sourcing of premium subcomponents, including laser chips and PCBA designs, ensuring consistent quality and predictable price control.

Custom Integration & Global Quality

We offer comprehensive OEM/ODM services tailored to Vietnam's network requirements. Standard procedures include:

  • Compatibility Coding: Direct software matching for Moxa, Hirschmann, Cisco, Huawei, H3C, and Allied Telesis switches.
  • DDM Programming: Custom Digital Diagnostic Monitoring configurations for real-time laser monitoring.
  • Local Compliance: Regulatory alignment with international CE, FCC, RoHS, and Vietnam's MIC circulars.

Enterprise Procurement & Bid Support

Equip-Link supports systems integrators bidding for Hanoi municipal tenders (smart grid, public transit, and smart water networks). We supply complete technical whitepapers, test reports from our damp heat alternation testing, raw material declaration documentation, and certified compatibility assurance sheets.

Local Support, Global Quality Standards

Developing industrial applications in Hanoi requires localized alignment. We work with local Hanoi partners and distribution channels to offer real-time compatibility testing and onsite validation. Our transceivers comply with strict telecommunication requirements set by local operators and EVN partners.

Additionally, we supply comprehensive compatibility profiles. Legacy network switches by manufacturers like Hirschmann and Moxa require custom EEPROM keycodes. Our 68 R&D engineers maintain an extensive compatibility lab housing hundreds of active switches, routers, and industrial media converters to ensure 100% plug-and-play functionality.

8 Core Industrial Optical Solutions (Featured List)

Specifically requested legacy transceivers, matching industrial parameters for Vietnam industrial zones.

Specialty Bidirectional Transceivers for Fiber Optimization

BiDi technology allows Hanoi operators to double fiber capacity instantly using single-fiber configurations.

Frequently Asked Questions: SFP Procurement in Vietnam

Expert technical insights regarding 155M/622M optical transceiver engineering, compatibility, and regional distribution.

What are the main use cases for 155M and 622M SFPs in Hanoi's industrial networks?
155M and 622M SFP modules correspond to STM-1 (OC-3) and STM-4 (OC-12) optical transmission protocols. In Hanoi and neighboring industrial corridors, they are mainly used in smart electric substations, railway control systems, urban water supply management, and legacy SDH/SONET telecommunication loops. These modules provide extremely stable transmission over long distances without high power consumption or heat generation.
Can Equip-Link ensure complete compatibility with Moxa and Hirschmann switches used in local substations?
Yes. Equip-Link operates a dedicated compatibility testing lab in Shenzhen where custom EEPROM configuration codes are matched to specific switch brands like Moxa and Hirschmann. Our SFP modules feature compatible firmware that supports full diagnostic monitoring (DDM) on industrial Ethernet switches, ensuring there are no lockouts or unrecognized device alarms.
What is the shipping lead time from your factory to industrial parks in Hanoi?
For standard in-stock optical components, orders can be custom coded and packed within 24–48 hours. Using land freight logistics through the Pingxiang-Lang Son border gate, shipments typically reach distributors or integration sites in Hanoi within 3–5 working days. This is substantially faster than maritime shipping from other regional nodes.
Do you support custom industrial temperature specifications?
Yes. We offer commercial grade (0°C to 70°C) and industrial-grade (-40°C to 85°C) SFP transceivers. Industrial-grade modules feature reinforced optical components and undergo damp heat alternating tests to withstand the high temperatures and high humidity typical of industrial enclosures in Northern Vietnam.
How does BiDi technology benefit Hanoi municipal networks?
BiDi (Bidirectional) SFP modules transmit and receive data over a single fiber core by using different wavelengths (e.g., 1310nm-TX/1550nm-RX and vice-versa). This technology allows Hanoi operators to double fiber cable capacity in existing optical conduits without installing new fiber runs, lowering deployment costs by up to 50%.