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.
RS232 Repeater / Extender (Industrial / Isolated / Port-Powered)
- Rugged industrial-grade 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.
$29.95
In Stock
RS485 / RS422 Repeater / Extender / Converter (Industrial)
- Rugged industrial-grade 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.
$45.95
In Stock
RS422 / RS485 to TTL Converter / TTL Repeater (Industrial)
- Rugged industrial-grade 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.
$45.95
In Stock
RS485 / RS422 Isolator / Repeater / Converter (Industrial)
- Rugged industrial-grade 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 (stackable).
- 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
Opto-Isolated RS485 Hub / Splitter (Industrial)
- Rugged industrial-grade opto-isolated RS485 hub / splitter
- Expands RS-485 networks by splitting one (1) RS-485 network into four (4), thus making star-wiring possible for RS-485 networks
- Supports multi-drop RS485 networks (up to 512 [4x 128] nodes)
- Supports BACnet and Modbus (multiple masters or slaves)
- 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 (stackable)
- 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
Opto-Isolated RS232/RS485/RS422(4-Wire) Hub / Splitter (Industrial)
- Rugged industrial-grade opto-isolated RS-232 and 4-wire RS-485/RS-422 hub/splitter.
- Expands 3-wire RS-232 or 4-wire RS-485/RS-422 networks by splitting one network into four, thus making star-wiring possible for RS-485/RS-422 networks.
- Supports multi-drop RS-485/RS-422 networks (up to 512 [4x 128] nodes).
- Multiple HUB-485-4 can be connected for expanding the RS-485/RS-422 networks.
- 2500V optical isolation.
- The failure of any individual loop will not affect the others, making the RS-485/RS-422 network more robust and reliable.
- 300 to 115.2K Baud operation (auto-sensing & self-adjusting).
- Wall / Panel mounting.
- External 5VDC powered (included).
- Industrial grade enclosed in a rugged, steel 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.
- CE/FCC compliant.
- 5-year manufacturer's warranty.
$187.95
In Stock
Opto-Isolated 8-Port RS485 Hub / Splitter (Industrial)
- Rugged industrial-grade opto-isolated RS485 hub / splitter
- Expands RS-485 networks by splitting one (1) RS-485 network into eight (8), thus making star-wiring possible for RS-485 networks
- Supports multi-drop RS485 networks (up to 1,024 [8x 128] nodes)
- Supports BACnet and Modbus (multiple masters or slaves)
- Multiple HUB-485-8 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 (stackable)
- External 9 to 60VDC 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: CE/FCC compliant
- 5-year manufacturer's warranty
$297.95
In Stock