RS232 / RS485 / RS422 / TTL Serial Repeaters & Hubs

CommFront offers a range of rugged, industrial-grade RS232 / RS485 / RS422 / TTL repeaters and hubs to meet serial communications' data distance needs by converting unbalanced signals to balanced ones, deploying repeaters to boost signal strength, and implementing hubs for star-configured connections, while still taking full advantage of cost-effective and readily available copper wire.

SAFETY

Safety

WORLD-CLASS TESTING LABS

CommFront products are strictly certified by SGS and/or TUV - the Nationally Recognized Testing Laboratories [NRTLs] in North America (approved by OSHA) and the Notified Bodies in the European Union. Learn More

QUALITY

Quality

ISO 9001 STANDARDS

CommFront products are designed and manufactured to ISO 9001 standards. Our quality control system is strictly certified by SGS (Cert No. SG12/04213). Learn More

WARRANTY

Warranty

100% SATISFACTION

CommFront products have been proven to be reliable. We back our high-quality products with a 5-year replacement warranty and a 30-day risk-free money-back guarantee. Learn More


RPT-232-3 (works in pair)

Opto-Isolated RS232 Repeater / Extender (Industrial / Port-Powered)

  • Industrial port-powered opto-isolated RS232 repeater / extender.
  • Extend full-duplex RS-232 data over long distance.
  • Port-powered, no external power or RTS, DTR required.
  • Industrial grade enclosed in a rugged, rustless ABS housing.
  • 2500V optical isolation.
  • 300 to 28.8K Baud operation (auto-sensing & self-adjusting).
  • Current loop circuit provides better noise immunization.
  • Plug and play (hot-pluggable, data format auto-sensing & self-adjusting).
  • No drivers needed. No DIP switch or jumper settings.
  • Operating temperature: -40ºF to 185ºF (-40ºC to 85ºC)
  • Built-in 600W surge protection, 15kV static protection and circuit protection.
  • Surface Mount Technology manufactured to RoHS and ISO-9001 standards.
  • Safety: Strictly certified by TUV (Cert No. SG-CE-090012).
  • 5-year manufacturer's warranty.

$27.95

In Stock


TTL-485_422-2

RS422 / RS485 to TTL Converter / TTL Repeater (Industrial)

  • Industrial RS485 / RS422 to TTL converter / TTL repeater.
  • Converts 2-wire RS485 or 4-wire RS422 to 5V TTL and vice versa.
  • Ideal for extending the full-duplex unbalanced TTL distance (up to 4000ft/1.2km).
  • External 5VDC powered (included).
  • Industrial grade enclosed in a rugged, rustless ABS housing.
  • 300 to 115.2K Baud operation (auto-sensing & self-adjusting).
  • Operating temperature: -40ºF to 185ºF (-40ºC to 85ºC).
  • Plug and play (Hot-pluggable; Data format Auto-sensing & Self-adjusting).
  • Data direction auto-turnaround, no software drivers or flow control is required.
  • Built-in selectable 120Ω terminator for system reliability and easy installation.
  • Built-in 600W surge protection, 15kV static protection and circuit protection.
  • Surface Mount Technology manufactured to RoHS and ISO-9001 standards.
  • Safety: Strictly certified by TUV (Cert No. SG-CE-090012).
  • 5-year manufacturer's warranty.

$59.95

In Stock


RPT-485_422-2

RS485 / RS422 Repeater / Extender / Converter (Industrial)

  • Industrial RS485 / RS422 repeater / extender / converter.
  • Converts 2-wire RS485 to 4-wire RS422 and vice versa.
  • Extends RS485 or RS422's distance to up to 4000ft (1.2km).
  • External 5V DC powered (included).
  • Industrial grade enclosed in a rugged, rustless ABS housing.
  • 300 to 115.2K Baud operation (auto-sensing & self-adjusting).
  • Operating temperature: -40ºF to 185ºF (-40ºC to 85ºC).
  • Plug and play (hot-pluggable, data format auto-sensing & self-adjusting).
  • No software drivers or flow controls required.
  • Built-in 600W surge protection, 15kV static protection and circuit protection.
  • Surface Mount Technology manufactured to RoHS and ISO-9001 standards.
  • Safety: Strictly certified by TUV (Cert No. SG-CE-090012).
  • 5-year manufacturer's warranty.

$59.95

In Stock


RPT-485_422-4

RS485 / RS422 Isolator / Repeater / Converter (Industrial)

  • Industrial RS485 / RS422 isolator / repeater / converter.
  • Isolates one group of RS485 / RS422 equipment from another.
  • Converts 2-wire RS485 to 4-wire RS422 and vice versa.
  • Extends RS485 or RS422's distance.
  • 2500V optical isolation.
  • 300 to 115.2K Baud operation (auto-sensing & self-adjusting).
  • RS-485 / RS-422 auto-detection, no software drivers or manual setting is required.
  • External 9-30VDC powered (included).
  • Industrial grade enclosed in a rugged, rustless ABS housing.
  • Plug and play (hot-pluggable, data format auto-sensing & self-adjusting).
  • Data direction auto-turnaround, no flow control is required.
  • Operating temperature: -40ºF to 185ºF (-40ºC to 85ºC).
  • Built-in 600W surge protection, 15kV static protection and circuit protection.
  • Direct DIN-Rail (Rack) or Wall / Panel mounting.
  • Surface Mount Technology manufactured to RoHS and ISO-9001 standards.
  • Safety: Strictly certified by TUV (Cert No. SG-CE-100004; SG-FCC-100001).
  • 5-year manufacturer's warranty.

$119.95

In Stock


HUB-485-4

Opto-Isolated RS485 Hub / Splitter (Industrial)

  • Industrial opto-isolated RS485 hub / splitter
  • Expands RS-485 networks by splitting one RS-485 network into four, thus making star-wiring possible for RS-485 networks.
  • Supports multi-drop RS485 networks (up to 512 [4x 128] nodes).
  • Multiple HUB-485-4 can be connected for expanding the RS485 system.
  • 2500V optical isolation.
  • The failure of any individual loop will not affect the others, making the RS-485 network more robust and reliable.
  • 300 to 115.2K Baud operation (auto-sensing & self-adjusting).
  • Direct DIN-Rail (Rack) or Wall / Panel mounting.
  • External 9 to 30VDC powered (included).
  • Industrial grade enclosed in a rugged, rustless ABS housing.
  • Plug and play (hot-pluggable, data format auto-sensing & self-adjusting).
  • Data direction auto-turnaround, no software drivers or flow control is required.
  • No DIP switch or jumper settings needed.
  • Operating temperature: -40ºF to 185ºF (-40ºC to 85ºC).
  • Built-in 600W surge protection, 15kV static protection and circuit protection.
  • Surface Mount Technology manufactured to RoHS and ISO-9001 standards.
  • Safety: Strictly certified by TUV (Cert No. SG-CE-100004; SG-FCC-100001).
  • 5-year manufacturer's warranty.

$149.95

In Stock