Data Transmission
Move data reliably between cameras, recorders, and control rooms with our data transmission gear. Extend Ethernet or HDMI runs with extenders, push IP across legacy coax using IP over coax, and keep signals clean with repeaters and hubs. Need protocol conversion? See data converters. For phone and low-voltage runs, head to data & telephone. Build longer, smarter links without sacrificing video quality.
- $587.00SKU: RLFDX485M2/HV
Comnet RLFDX485M2/HV Substation-Rated RS-422 And RS-485 2/4 Wire Data Link/Repeater, 88 -300VDC / 85 -264
- Full-duplex, half-duplex, or simplex transmission of RS-232, RS-422, RS-485 2/4-wire data, or TTL logic
- Tested and certified to meet or exceed the requirements of IEEE 1613 Class 2 for electrical utility substations
- RS-232 Version: DTE/DCE switching
- LED status indicators confirm operating status
- Rugged galvannealed and powder-coated panel-mount enclosure
$587.00Low Price Guarantee - $587.00SKU: RLFDX485M2/48DC
Comnet RLFDX485M2/48DC Substation-Rated RS-422 And RS-485 2/4 Wire Data Link/Repeater, 48VDC
- Full-duplex, half-duplex, or simplex transmission of RS-232, RS-422, RS-485 2/4-wire data, or TTL logic
- Tested and certified to meet or exceed the requirements of IEEE 1613 Class 2 for electrical utility substations
- RS-232 Version: DTE/DCE switching
- LED status indicators confirm operating status
- Rugged galvannealed and powder-coated panel-mount enclosure
$587.00Low Price Guarantee - $398.05SKU: RLFDX485M2/24DC
Comnet RLFDX485M2/24DC Substation-Rated RS-422 And RS-485 2/4 Wire Data Link/Repeater, 24VDC
- Full-duplex, half-duplex, or simplex transmission of RS-232, RS-422, RS-485 2/4-wire data, or TTL logic
- Tested and certified to meet or exceed the requirements of IEEE 1613 Class 2 for electrical utility substations
- RS-232 Version: DTE/DCE switching
- LED status indicators confirm operating status
- Rugged galvannealed and powder-coated panel-mount enclosure
$398.05Low Price Guarantee - $2,140.97SKU: RLFDX232S2/HV
Comnet RLFDX232S2/HV Substation-Rated RS-232 And TTL Logic Data Link/Repeater, 88 -300VDC / 85 -264VAC
- Full-duplex, half-duplex, or simplex transmission of RS-232, RS-422, RS-485 2/4-wire data, or TTL logic
- Tested and certified to meet or exceed the requirements of IEEE 1613 Class 2 for electrical utility substations
- RS-232 Version: DTE/DCE switching
- LED status indicators confirm operating status
- Rugged galvannealed and powder-coated panel-mount enclosure
$2,140.97Low Price Guarantee - $1,715.59SKU: RLFDX232S2/48DC
Comnet RLFDX232S2/48DC Substation-Rated RS-232 And TTL Logic Data Link/Repeater, 48VDC
- Full-duplex, half-duplex, or simplex transmission of RS-232, RS-422, RS-485 2/4-wire data, or TTL logic
- Tested and certified to meet or exceed the requirements of IEEE 1613 Class 2 for electrical utility substations
- RS-232 Version: DTE/DCE switching
- LED status indicators confirm operating status
- Rugged galvannealed and powder-coated panel-mount enclosure
$1,715.59Low Price Guarantee - $1,471.10SKU: RLFDX232S2/24DC
Comnet RLFDX232S2/24DC Substation-Rated RS-232 And TTL Logic Data Link/Repeater, 24VDC
- Full-duplex, half-duplex, or simplex transmission of RS-232, RS-422, RS-485 2/4-wire data, or TTL logic
- Tested and certified to meet or exceed the requirements of IEEE 1613 Class 2 for electrical utility substations
- RS-232 Version: DTE/DCE switching
- LED status indicators confirm operating status
- Rugged galvannealed and powder-coated panel-mount enclosure
$1,471.10Low Price Guarantee - $664.67SKU: RLFDX232M2/HV
Comnet RLFDX232M2/HV Substation-Rated RS-232 And TTL Logic Data Link/Repeater, 88 -300VDC / 85 -264VAC
- Full-duplex, half-duplex, or simplex transmission of RS-232, RS-422, RS-485 2/4-wire data, or TTL logic
- Tested and certified to meet or exceed the requirements of IEEE 1613 Class 2 for electrical utility substations
- RS-232 Version: DTE/DCE switching
- LED status indicators confirm operating status
- Rugged galvannealed and powder-coated panel-mount enclosure
$664.67Low Price Guarantee - $664.67SKU: RLFDX232M2/48DC
Comnet RLFDX232M2/48DC Substation-Rated RS-232 And TTL Logic Data Link/Repeater, 48VDC
- Full-duplex, half-duplex, or simplex transmission of RS-232, RS-422, RS-485 2/4-wire data, or TTL logic
- Tested and certified to meet or exceed the requirements of IEEE 1613 Class 2 for electrical utility substations
- RS-232 Version: DTE/DCE switching
- LED status indicators confirm operating status
- Rugged galvannealed and powder-coated panel-mount enclosure
$664.67Low Price Guarantee - $388.94SKU: RLFDX232M2/24DC
Comnet RLFDX232M2/24DC Substation-Rated RS-232 And TTL Logic Data Link/Repeater, 24VDC
- Full-duplex, half-duplex, or simplex transmission of RS-232, RS-422, RS-485 2/4-wire data, or TTL logic
- Tested and certified to meet or exceed the requirements of IEEE 1613 Class 2 for electrical utility substations
- RS-232 Version: DTE/DCE switching
- LED status indicators confirm operating status
- Rugged galvannealed and powder-coated panel-mount enclosure
$388.94Low Price Guarantee
Data Transmission Frequently Asked Questions
What is data transmission in surveillance systems?
Data transmission in surveillance systems refers to the process of sending video and audio signals from cameras to recording devices or monitors. This can be achieved through various methods, including wired connections like Ethernet and coaxial cables, or wireless technologies. Reliable data transmission is crucial for ensuring high-quality video feeds and maintaining system integrity.
How does Power over Ethernet (PoE) work?
Power over Ethernet (PoE) allows network cables to carry electrical power along with data, eliminating the need for separate power sources for devices like IP cameras. This technology simplifies installation and reduces clutter by using a single cable for both data and power, making it ideal for surveillance setups where cameras may be installed in hard-to-reach locations.
What are the benefits of using Ethernet over coaxial adapters?
Ethernet over coaxial adapters enable the transmission of Ethernet data over existing coaxial cabling, which can be beneficial for upgrading older surveillance systems without extensive rewiring. These adapters maintain signal integrity over long distances and can support Power over Ethernet, providing both power and data to cameras through the same coaxial cable, enhancing installation flexibility.
Can I extend the range of my surveillance system's data transmission?
Yes, you can extend the range of your surveillance system's data transmission using extenders or adapters designed for this purpose. Devices like Ethernet over coax extenders can significantly increase the distance over which data can be transmitted, allowing you to place cameras farther from your recording equipment without losing signal quality or reliability.
What should I consider when choosing a data transmission solution for surveillance?
When selecting a data transmission solution for surveillance, consider factors such as the distance between your cameras and recording devices, the type of cabling already in place, and whether you need Power over Ethernet capabilities. Additionally, assess the bandwidth requirements of your cameras to ensure that the chosen solution can handle the data load without compromising video quality.















