USB Serial
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$32.95 As low as: $30.97The RS-232 extender with optoelectronic isolation allows extending the communication distance between 2 sets of asynchronous RS-232 communication devices to 12km.
- Enables RS-232 transmission distance to 12km
- Isolated voltage: 2,500Vrms impulse or 500VDC
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$21.99 As low as: $19.71The GM-1011-B is an RS-232 serial port optoelectronic isolator. It adopts advanced optoelectronic isolation technology, maximally protects RS-232 serial interface devices from bad environment damage, such as ground loop circuit voltage, surge, lightning, ESD, hot-plug and electromagnetic interference, etc.
- Standards: RS-232 & CCITTV.24 asynchronous protocol
- Power: from RS-232(TXD, RTS or DTR)
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$13.19 As low as: $10.49The converter is compatible with RS-232C and RS-485 standards. It converts RS-232 signals into balanced differential RS-485 signals.
- Standards: RS-232C,RS-485 EIA/TIA
- Built in terminal block
- Baud rate: 300BPS-115.2KBPS
- Transmission distance: 1,200m(RS-485), 5m(RS-232)
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Regular Price: $2.70
Special Price $1.35
Null Modem Adapters mini DB-9 to DB-9 Male to Male Null Adapter Learn More -
$36.25 As low as: $34.07The is a port-powered converter with optoelectronic isolation. It complies with RS-232C, RS422, and RS-485 standards; it converts single side RS-232 signal to a balanced differential RS-422 or RS-485 signal.
- Standards: RS-232C/ RS-485/ RS-422 EIA/TIA
- RS-422/485 6 bits terminal block output
- Port protection: RS-232 ±15KV ESD protection;
- RS-422/485 600W surge protection
- Isolation: 2,500Vrms isolated voltage, continuous 500VDC
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$20.89 As low as: $20.61The interface converter converts data (TXD,RXD) of RS-232C to TTL/COMS; the TTL electrical level is 0-5V, without an external power supply.
- Works with all communication software, plug & play
- Baudrate: 300bps-115.2Kbps
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$4.39 As low as: $4.13Protect your computer's serial port with this DB9 Male to Female Null Modem Adapter by removing port strain. Learn More -
$4.39 As low as: $4.13Female to Female RS232 Mini Gender Changer or Null Modem Adapter for serial cable applications. Connects to any RS232 DB-9 Male connector. Learn More -
$74.98 As low as: $71.68Serial RS232 to RS422 and RS485 converter with LED indicator for power and serial signals, full versatility is controlled by a built- in software configuration menu, which is accessed via terminal programs. RS422 with hardware handshake RS485 by ART (automatic receive and transmit). Learn More -
$99.99Convert RS232 to RS422 or RS485 with this serial converter using the male and female DB9 connector. Mount the converter on flat surfaces or DIN Rail. 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)