RS232 Multi

ES-U-1002-A can plug directly into a unused USB port using it's inbuilt USB "A" plug where space permits. A short 25cm detachable USB extension cable allows the ES-U-1002-A to be used where connector spacing does not allow the ES-U-1002-A to be inserted directly. 

ES-U-1002-A features a full set of RS-232 modem data and control signals (TxD, RxD, RTS, CTS, DSR, DTR, DCD, RI, and GND) on it's PC compatible DB9 male connectors and has an internal 128 byte transmit buffer FIFO and a 384 byte receive buffer FIFO on each of its 2 RS232 Ports. Each port supports RS232 data transfer rates of up to 230K bps. No external power supply is required as ES-U-1002-A takes it's power from the USB bus.

ES-U-1002-A comes complete with drivers for Microsoft Windows '98, Windows ME, Windows 2000, and Windows XP. The Windows XP drivers are fully WHQL certified. Also included are drivers for Apple OS8, OS9 and OSX. Linux kernel 2.4.20 or greater includes also USB drivers for this product.

The ES-U-1002 converter is a dual port USB-RS232 converter. Housed in a strong plastic enclosure it is designed for more rugged application areas. ES-U-1002 adds two Windows serial Com ports via it's USB connection and is compatible with new & legacy RS-232 devices. USB Plug and Play allows easy serial port expansion and requires no IRQ, DMA, or I/O port resources.

ES-U-1002 features a full set of RS-232 modem data and control signals (TxD, RxD, RTS, CTS, DSR, DTR, DCD, RI, and GND) on each of it's PC compatible DB9 male connectors. ES-U-1002 has an internal 128 byte transmit buffer FIFO and a 384 byte receive buffer FIFO on each port. All ports support RS232 data transfer rates of up to 230K bps. No external power supply is required as ES-U-1002 takes it's power from the USB bus.

Connection to USB is via a 0.9m detachable USB cable (supplied). Longer USB cables can be purchased separately if required. 

ES-U-1002 comes complete with drivers for Microsoft Windows '98, Windows ME, Windows 2000, and Windows XP. The Windows XP drivers are fully WHQL certified. Also included are drivers for Apple OS8, OS9 and OSX. Linux kernel 2.4.20 or greater includes also USB drivers for this product.

The ES-U-1004 converter is a four port USB-RS232 converter. Housed in a silver colour strong plastic enclosure , it is self powered, and comes complete with it's own wall-mount PSU adapter. TX/RX status LED's on each port help with diagnosing connectivity problems. ES-U-1004 adds four Windows serial Com ports via it's USB connection and is compatible with new & legacy RS-232 devices. USB Plug and Play allows easy serial port expansion and requires no IRQ, DMA, or I/O port resources.

ES-U-1004 features a full set of RS-232 modem data and control signals (TxD, RxD, RTS, CTS, DSR, DTR, DCD, RI, and GND) on each of it's PC compatible DB9 male connectors. ES-U-1004 has an internal 128 byte transmit buffer FIFO and a 384 byte receive buffer FIFO on each port. All ports support RS232 data transfer rates of up to 230K bps.

Connection to USB is via a 0.9m detachable USB cable (supplied). Longer USB cables can be purchased separately if required . The unit is supplied with a U.S. style 120v wall-mount type power adapter as standard.

USB-4COM comes complete with drivers for Microsoft Windows '98, Windows ME, Windows 2000, and Windows XP. The Windows XP drivers are fully WHQL certified. Also included are drivers for Apple OS8, OS9 and OSX. Linux kernel 2.4.20 or greater includes also USB drivers for this product.

The ES-U-1008 converter is a eight port USB-RS232 converter. Housed in a silver colour strong plastic enclosure it is designed for industrial applications, is self powered, and comes complete with it's own wall-mount PSU adapter. TX/RX status LED's on each port help with diagnosing connectivity problems. ES-U-1008 adds eight Windows serial Com ports via it's USB connection and is compatible with new & legacy RS-232 devices. USB Plug and Play allows easy serial port expansion and requires no IRQ, DMA, or I/O port resources.

ES-U-1008 features a full set of RS-232 modem data and control signals (TxD, RxD, RTS, CTS, DSR, DTR, DCD, RI, and GND) on each of it's PC compatible DB9 male connectors. ES-U-1008 has an internal 128 byte transmit buffer FIFO and a 384 byte receive buffer FIFO on each of its 8 ports. All ports support RS232 data transfer rates of up to 230K bps.

Connection to USB is via a 0.9m detachable USB cable (supplied). Longer USB cables can be purchased separately if required. The unit is supplied with a U.S. style 120v wall-mount type power adapter as standard.

ES-U-1008 comes comes complete with drivers for Microsoft Windows '98, Windows ME, Windows 2000, and Windows XP. The Windows XP drivers are fully WHQL certified. Also included are drivers for Apple OS8, OS9 and OSX. Linux kernel 2.4.20 or greater includes also USB drivers for this product.