Zyqora Zyqora

1x9 Transceivers Manufacturer & Factories for Korea

High-reliability optical transceivers engineered for Korean railways, industrial automation, and rugged telecommunication infrastructures.

The Strategic Importance of 1x9 Optical Transceivers in Korea's Industrial Grid

While modern data centers have rapidly migrated to hot-pluggable form factors such as SFP, SFP28, and QSFP28, Korea’s rugged industrial landscape maintains a heavy, non-negotiable reliance on the legacy 1x9 optical transceiver package. This is not due to technological inertia, but a calculated engineering choice prioritizing absolute electrical stability, mechanical security, and long life cycles.

In South Korea’s highly automated Smart Factories (particularly across the major industrial belts of Gyeonggi-do, Ulsan, and Busan), machinery and control infrastructure operate under extreme environments marked by electromagnetic interference (EMI), high vibration, and temperature fluctuations. The 1x9 package, with its pins soldered directly to the host Printed Circuit Board (PCB), eliminates the mechanical failure points and contact resistance risks inherent to spring-loaded SFP slot cages.

Key application landscapes across the Korean peninsula include:

  • Subway Signalling & CBTC (Communication-Based Train Control): Reliable data transmission along lines managed by Seoul Metro and Korail. The direct soldering guarantees continuous electrical contact under continuous vibrational stress.
  • Smart Power Substations (KEPCO Grid): Optical terminal units and protective relays require robust PECL signal architectures to prevent electromagnetic surge disruptions.
  • Automotive Assembly & Heavy Press Operations: Industrial Ethernet networks connecting PLCs (Programmable Logic Controllers) in high-vibration plants.
1x9 Mechanical Interface Pinout
Pin 1: Receiver Signal GroundVeeR
Pin 2: Receiver Data Out (Positive)RD+
Pin 3: Receiver Data Out (Negative)RD-
Pin 4: Signal Detect (Optical Link OK)SD
Pin 5: Receiver Power Supply (+3.3V/5V)VccR
Pin 6: Transmitter Power Supply (+3.3V/5V)VccT
Pin 7: Transmitter Data In (Negative)TD-
Pin 8: Transmitter Data In (Positive)TD+
Pin 9: Transmitter Signal GroundVeeT

Technical Architectures & Reliability Frameworks

Engineering specs optimized for low latency and continuous operational lifespans exceeding 15 years.

Direct PECL/LVPECL & TTL Signaling

Zyqora 1x9 transceivers utilize raw physical-layer PECL differential signaling for sub-nanosecond signal propagation and minimal packet jitter in mission-critical networks.

Dual SC / Bidi FC Connector Varieties

Configured with industry-standard Duplex SC optical ports or single-fiber BiDi (Bidirectional) interfaces (using Wavelength Division Multiplexing) to optimize fiber core utility.

Industrial Temperature Ranges (-40°C to +85°C)

Equipped with premium FP/DFB lasers and PIN-TIA optical receivers that pass high/low thermal cycles to survive extreme subways and non-climate-controlled environments.

10+ Yrs
Industry Expertise
860+
Supply Chain Partners
42
QC Professionals
$18M+
Annual Export Revenue

Chinese Supply Chain Resilience & OEM Customization Speed

As a global hub for optoelectronic manufacturing, Shenzhen houses Zyqora’s advanced production and testing lines. Our localized Chinese supply ecosystem guarantees a continuous flow of high-quality components, shielding Korean integrators from semiconductor shortages and logistics bottlenecks.

While many manufacturers have phased out the capital investment and engineering support required for 1x9 optical interfaces, Zyqora maintains dedicated production lines for legacy and customized form factors. We provide comprehensive OEM/ODM services, including:

  • Custom Firmware Programming: Tuning the Signal Detect (SD) asserting/deasserting thresholds to ensure compatibility with proprietary railway networks.
  • Flexible Input Voltages: Manufacturing both 3.3V and 5.0V variants to align with heritage system requirements without needing board redesigns.
  • Rapid Incheon/Busan Delivery Protocols: Direct shipping networks that shorten customs clearance and transit times to under 3-5 business days.

Rigorous Quality Control Framework

Under our strictly managed 386-square-meter facility, our quality assurance process includes incoming optical component validation, high-precision laser diode alignment, continuous burn-in tests in environmental chambers, and bit error rate (BER) checks using Keysight/Anritsu network analyzers.

This focus on quality ensures that every 1x9 module delivered to our Korean partners satisfies international requirements, achieving an MTBF (Mean Time Between Failures) exceeding 100,000 operational hours.

1x9 Technical Specification Matrix

Validated reference parameters across SMF and MMF 1x9 optical architectures.

Product Configuration Wavelength (nm) Fiber Type Reach (km) Optical Transmitter Receiver Type Electrical Signal Interface
1.25G Duplex SC 10km 1310nm SMF (Single Mode) 10km FP Laser PIN-TIA PECL / LVPECL
1.25G Duplex SC 20km 1310nm SMF (Single Mode) 20km DFB Laser PIN-TIA PECL / LVPECL
1.25G Multimode SC 500m 850nm MMF (Multimode) 0.5km VCSEL PIN-TIA PECL / LVPECL
155M BiDi FC 60km Tx1310 / Rx1550 SMF (Single Mode) 60km DFB Laser PIN-TIA TTL / PECL
155M BiDi FC 80km Tx1490 / Rx1550 SMF (Single Mode) 80km DFB Laser PIN-TIA TTL / PECL

About Zyqora

Designers and manufacturers of high-performance optical connectivity solutions since 2016.

Founded in 2016, Zyqora Optical Technologies Co., Ltd. is a professional manufacturer and supplier of high-performance optical transceivers and fiber connectivity solutions for global data center, telecom, enterprise network, and cloud computing applications.

With a modern production facility covering 386 square meters, Zyqora specializes in the design, development, manufacturing, and testing of optical communication products, including SFP, SFP+, SFP28, QSFP28, QSFP-DD, OSFP, AOC, and DAC solutions. Our products are engineered to deliver reliable performance, scalability, and seamless compatibility with mainstream networking platforms.

Over the years, Zyqora has established a strong international presence, achieving annual export revenue exceeding USD 18 million. Backed by 8 years of export experience and 10 years of industry expertise, we serve customers across North America, Europe, Southeast Asia, the Middle East, and Latin America.

Quality is at the core of everything we do. Our manufacturing process is supported by comprehensive quality assurance procedures, including incoming material inspection, optical performance testing, aging tests, compatibility verification, and final product inspection. A dedicated team of 42 quality control professionals ensures that every product meets international standards and customer expectations.

As a company with both manufacturing and international trading capabilities, Zyqora has built a reliable supply network with more than 860 supply chain partners, enabling efficient sourcing, stable production, and flexible delivery schedules.

Our primary customers include telecom operators, data center providers, system integrators, network equipment distributors, and enterprise IT solution providers worldwide. To support evolving market demands, we maintain a strong research and development team focused on innovation and product optimization.

Zyqora offers comprehensive OEM and ODM services, including customized labeling, firmware coding, packaging design, and product specification development. Last year alone, the company successfully launched 168 new products to meet the growing requirements of next-generation network infrastructures.

Our R&D department consists of 65 experienced engineers specializing in optical communication technologies, high-speed transmission systems, and network interoperability solutions. Through continuous innovation and strict quality management, Zyqora remains committed to providing cost-effective, reliable, and future-ready optical networking products for customers around the world.

Frequently Asked Questions

Technical answers supporting network upgrades and deployment compatibility in Korea.

Why do legacy 1x9 transceivers remain critical in Korean industrial networks?

Modern pluggable transceivers (like SFPs) rely on spring-contact interfaces which can experience connection degradation under high vibration, humidity, and EMI. The 1x9 transceiver features sturdy dual-in-line pins that are soldered directly onto the host PCB, providing superior mechanical security and robust electrical isolation. This level of reliability is critical for metro rail control, power grids, and factory automation.

What is the difference between PECL and TTL signaling configurations in Zyqora 1x9 modules?

PECL (Pseudo Emitter Coupled Logic) uses differential signal pairs (TD+/TD- and RD+/RD-) to achieve high data rates (up to 1.25G) with minimal jitter. TTL (Transistor-Transistor Logic) is typically employed for status signaling, such as the Signal Detect (SD) pin, notifying controllers of link status. We offer variants that support either LVPECL (3.3V) or full PECL (5V) logic to match legacy backplane configurations.

How does Zyqora support Korean telecom and industrial standards?

Our products conform to major international standards (CE, FCC, RoHS) and are designed to align with Korea's domestic EMC and network safety benchmarks. We verify component selection to meet KC (Korea Certification) directives for imported industrial communication devices, ensuring clean system integration.

Can we order customized transmission distances (e.g. 60km, 80km) for single-mode networks?

Yes. Zyqora provides custom optical tuning. Using high-power DFB lasers and high-sensitivity APD/PIN receivers, we can build custom 1x9 transceivers capable of bridging distances up to 80km or 100km on single-mode optical fiber without the need for inline signal repeaters.