USB Serial
-
$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
-
$20.89 As low as: $20.61
The
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
-
$36.25 As low as: $34.07
The
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
-
$32.99 As low as: $31.01
Great for RS232 communication between a PC and a device that needs an RS422 or RS485 protocol. The GM-1042E-B converter is compatible with RS-232C, RS-485/422 standards. It converts RS-232 signals into balanced differential RS-485 or RS-422 signals.
- Standards: RS-232C, RS-485/422 EIA/TIA
- Baud rate: 300bps-115.2kbps
- Transmission distance: 1,200m (RS-485/422); 5m (RS-232)
-
$13.19 As low as: $10.49
The 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)
-
$21.99 As low as: $19.71
The 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)
-
$32.95 As low as: $30.97
The
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
-
$15.39 As low as: $14.47
Adopts 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
-
$17.59 As low as: $16.53
The 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
-
$20.89 As low as: $19.64
The 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