Antaira Provides High Performance Industrial Serial-To-Fiber Converter

Antaira Technologies is a leading developer of Industrial Networking and Device connectivity solutions for harsh environment applications and is proud to be expanding its Serial product family with a new series of Industrial Serial-To-Fiber converters. The STF-500C series is designed to isolate and protect connected equipment from surges, spikes and electrostatic discharges carried on the serial cable to the fiber optic cable.

The STF-500C seriesis built to withstand industrial networking hazards like shock, drop, vibration, electromagnetic interference (EMI) and temperature extremes. Version options in a standard 0 ~ 60°C model range or an extended -40 ~ 75°C range are available. It secures asynchronous RS-232, RS-485 or RS-422 serial data transmissions over EMI resistant fiber at speeds up to 1024kbps.

This series provides Single (STF-501C series) or Dual (STF-502C series) Fiber Port models with SC or ST type fiber options in Multi-mode 2Km, or Single-mode 30Km solutions. It is designed with Advanced Features to provide High Performance solutions to customers, including:

o Data Protection:

o Built-in RS485 auto detection feature

o 15KV ESD Protection and 2.5KV Isolation protection

o 10 position Rotary Switch for RS422/485 Pull high/low feature.

o Secure Serial Network:

o STF-501C model supports Point-to-Point application, One Way Daisy Chain, and Ring Topology Fiber Network in Half Duplex solutions

o STF-502C model supports Applications such as:

§ Point-to-Point solutions with Single Duplex Fiber connection (without Protection), or Dual Duplex Fiber connection (with Fiber Protection)

§ Daisy Chain solution with Duplex Fiber connection

§ Full Duplex Redundancy Serial Fiber Network with Dual Fiber connections

o Easy Maintenance:

o STF-500C series supports relay output for power or link failure warning

o Front LED indicators will allow user to easily monitor for any Power, TD/RD, or Fiber Link failure.

Key Features:

· Media conversion for Serial RS232, or 422/485 into Fiber

· Extend serial transmission distance up to 2km, 30km

· Supports Point-to-Point, fiber daisy chain or ring topology network design

· Secure Serial Fiber Network with Single or Dual Duplex Fiber connection

· 3 way Optical Isolation up to 2.5KV for serial signal protection

· Dual Fiber Redundant Serial Fiber Ring Network support

· Fan-less and DIN-Rail design for harsh industrial environments

· Adjustable pull high/low resistor and terminator for RS-422/485 transmission

· Dual Redundant Power Input

Applications include:

· High Serial Isolation Protection for Outdoor Equipment data extension in ITS Signaling, or VMS

· Dual Fiber Ring Redundancy Serial Network in Firm Alarm Panel control

· EMI resistant for IEDs data transmission in Substation Automation

· Industrial Control in Process Control Automation, such as WWTP and Oil/Gas/Mining

For more details about Antaira Serial Connectivity solutions, please feel free to visit our website at; or contact us at +886-2-2218-9733 or email us at

  • Issue by:Antaira Technologies Co., Ltd
  • Web:http://
  • State/province:Taiwan
  • Telephone:+886-2-2218-9733
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