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2/4-Port USB-to -Serial RS-422/485 Hub |
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The ATEN USB-to-Serial RS-422/485 Hub provides an external plug-and-play RS-422 / RS-485 serial connection for computers, notebooks, laptops, and handheld computing devices that support the USB specification. It provides a quick, simple, and cost-effective solution and is ideal for various communication and automation applications. ATEN provides 4 models in this series: 2/4-Port USB-to-Serial RS-422/485 Hub; 2/4-Port USB-to-Serial RS-232 Hub |
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Features |
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Easy way to add 2 or 4 RS-422/RS-485 serial ports |
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Fully compliant with USB 1.1; USB 2.0 compatible |
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Supports RS-422/RS-485 serial interface |
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Each port can independently switch between RS-422 and RS-485 |
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Supports automatic handshake mode |
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Up to 115.2 Kbps data transfer rate for each serial port |
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Supports remote wake up and power management |
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Dual data buffers for each upstream and downstream data transfer |
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No IRQ, DMA, I/O address resources required |
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Supports hot-swapping and plug-and-play |
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Built-in 16KV ESD protection |
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Supports both bus power and external power |
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Works with cellular phones, PDAs, digital cameras, modems and ISDN terminal adapters |
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OS support Windows 2000/2003/XP/NT/Vista |
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Diagram |
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Specification |
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| Function |
UC4852 |
UC4854 |
| Device Connections |
2 |
4 |
| Connectors |
USB |
1 x USB Type B Female (White) |
| Serial |
2 x DB-9 Male (Black) |
4 x DB-9 Male (Black) |
| Power |
1 x DC Jack |
| LDEs |
Port Status |
2 (Green) |
4 (Green) |
| Power |
1 (Orange) |
| Data Transfer Rate |
115.2 Kbps (max.) |
| FIFO |
16 byte Hardware FIFO |
| USB Specification |
USB 1.1 Compliant; USB 2.0 Compatible |
| RS-422 Signal |
TXD+/-, RxD+/-, RTS+/-, CTS+/-,GND |
| RS-485 Signal |
Data+/-, GND |
| Data Bit |
5, 6, 7, 8 |
| Stop Bit |
1, 1.5, 2 |
| Power Mode |
Bus Powered; use of Power Adapter is optional |
| Power consumption |
0.9W |
1.0W |
| Environment |
Operating Temp. |
0-50C |
| Storage Temp. |
-20-60C |
| Humidity |
0-80% RH, Non-condensing |
Physical Properties |
Housing |
Metal |
| Weight |
0.30 kg |
0.32 kg |
Dimensions ( L x W x H ) |
12.50 x 8.15 x 2.50 cm |
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