USB Serial
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$15.39 As low as: $14.47Adopts advanced optoelectronic isolation technology, prevents RS-232 serial interface device damage from a bad environment, such as ground loop circuit voltage, surge, lightning, ESD, hot-plug and electromagnetic interference, etc.
- Transmission mode: asynchronous, full-duplex, full transparent
- Isolated voltage: 2,500Vrms impulse or 500VDC
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$17.59 As low as: $16.53The GM-1004E-B converts RS-232 signals into balanced differential RS-485 signals. The converter is designed to protect the RS-485 port; with integrated TVS’s (TRANSIENT VOLTAGE SUPPRESSOR).
- Transmission media: twisted-pair or shielded cable
- Baudrate: 300ps-115.2kbps
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$20.89 As low as: $19.64The GM-1004E-B converts RS-232 signals into balanced differential RS-485 signals. The converter is designed to protect the RS-485 port; with its advanced TVS’s (TRANSIENT VOLTAGE SUPPRESSOR).
- Transmission media: twisted-pair or shielded cable
- Isolation: Isolated voltage 2,500Vrms 500VDC non-stop
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$25.25 As low as: $23.74The GM-1005A-B converts RS-232 signals into balanced differential RS-422 signals. The transmission distance of RS-232 communication can be extended to 1.2km.
- Transmission media: twisted-pair or shielded cable
- Baud rate: 300bps-115.2kbps
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$54.95RS232 to TTL CMOS Conversion
Conveniently convert to TTL from RS232 with this RS232 to TTL CMOS conversion adapter, it supports standard RS232 signals and does not require any additional power source once connected.
- Provides one RS232 to TTL/CMOS adaption
- Supports 5V and 3.3V Tolerance Signals
- Very compact
- Supports baud rate up to 115.2 Kbps
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$648.88USB to 32 Port COM Serial Adapter RS-232 has a Metal Rackmount case that also supports DIN-Rail mounting. The RS232 Serial ports on USB-32com-RM allow further use of existing devices. Learn More -
$689.99The USB-16COMi-RM is an isolated USB to 16 Port COM serial adapter for RS-232 422/485 communication devices. Includes rack mounting kits for industrial use. High speed serial port with the 128 byte FIFO allow high speed communication, even in heavy loaded systems. Learn More -
$384.88This 16-Port Serial Adapter is designed for industrial applications to make serial port expansion quick and simple and no IRQ or COM port conflicts, since the ports don't require any additional IRQ, DMA, memory as resources on the system. Learn More -
$179.95 As low as: $169.15The USBG-8COM-M is a 8S RS232 to USB serial adapter that is designed for PC, thin client, or server to provide instant COM port expansion via the Universal Serial Bus (USB). The USBG-8COM-M provides the scalability to quickly adapt to new USB technologies. Learn More -
$415.70 As low as: $390.76Industrial metal 16-port USB to serial adapter with full RS232 data signals and high-speed baud rate up to 921.6Kbps, an excellent serial device that is compact working with Windows and Linux systems, can use COM port assignment to change COM port numbers required. Learn More
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5.0 out of 5 stars
Perfect!.
Just what I needed.
(Review by John) -
5.0 out of 5 stars
works great.
I love the extra length it gives me for my usb cord for my phone.
(Review by Dotty) -
5.0 out of 5 stars
very reliable.
solid connection no noticeable input delay and provides ample power. i have stream deck, mouse
(Review by Marty)