1×9 Transceivers Modules
Overview: 1x9 Optical Transceivers are compact, low-cost optical modules primarily used in legacy Fast Ethernet (100 Mbps), Fibre Channel, and SONET/SDH systems. The term "1x9" refers to the nine‑pin electrical interface that connects the transceiver to the host device. Available in both single‑mode (SMF) and multimode (MMF) versions, these modules remain popular for telecom and industrial networking applications requiring stable optical links up to 120 km.
Technical Overview
- Data Rate: 100 Mbps – 1.25 Gbps typical
- Transmission Distance: From 500 m (MMF, 850 nm) to 120 km (SMF, 1550 nm)
- Wavelengths: 850 nm / 1310 nm / 1550 nm (single or dual fiber versions)
- Optical Interface: SC, ST, or FC connector types
- Electrical Interface: Standard 1×9 pin connector (fiber transceiver MSA)
- DDM/DOM Function: Available in advanced models
- Power Supply: +3.3 V or +5 V input options
- Operating Temperature: –40 °C to +85 °C (industrial grade)
Main Features
- Compliant with IEEE 802.3 and SONET/SDH standards
- Hot pluggable, compact form factor for various network devices
- Multiple connector options (SC/ST/FC) for legacy compatibility
- Available in single fiber BiDi and dual fiber versions
- Excellent EMC performance and low power dissipation
- Wide temperature support for industrial and telecom environments
- Fully interoperable with standard Fast Ethernet and Fibre Channel devices
Applications
- Fast Ethernet (100BASE‑FX) and Gigabit Ethernet networks
- SDH/SONET STM‑1 and OC‑3 optical interfaces
- Fibre Channel and video transport applications
- Telecom access systems and legacy switching equipment
- Industrial communication and power utility networks
Related keywords: 1x9 optical transceiver datasheet, 1x9 SC transceiver module, 100BASE‑FX fiber transceiver, 1x9 1550 nm SM 20 km, 1x9 transmitter and receiver set, Fast Ethernet 1x9 module.
FAQ – 1x9 Optical Transceivers Modules
1. What does "1x9" mean in fiber transceivers?
The "1x9" designation refers to the electrical connector interface that uses a single row of nine pins to communicate with the host device.
2. What are the typical data rates for 1x9 modules?
1x9 optical transceivers typically support Fast Ethernet (100 Mbps) and up to 1.25 Gbps for Gigabit Ethernet or Fibre Channel applications.
3. Which fiber types can 1x9 transceivers use?
They are available for both multimode fiber (62.5/125 µm or 50/125 µm) and single‑mode fiber (9/125 µm) depending on the transmission distance.
4. What is the maximum reach of a 1x9 transceiver?
Depending on wavelength and optical power, the reach ranges from a few hundred meters to 120 km for 1550 nm single‑mode versions.
5. Do 1x9 modules support DDM or DOM functions?
Not all. Standard legacy versions lack DDM, but modern enhanced 1x9 modules feature digital monitoring for temperature and power parameters.
6. Are 1x9 modules still used in modern networks?
Yes, they remain common in telecom equipment, industrial systems, and legacy infrastructure where cost‑effective 100 M/1 G links are required.
7. Can a 1x9 module be replaced with an SFP module?
Physically and electrically they are different. Some systems offer adapters or media converter solutions, but direct replacement is not possible.
8. What connector types are available for 1x9 modules?
Most use SC connectors for duplex fiber, but ST and FC versions exist for specific applications and older equipment.
