Advantech BB-QSU2 Series
High Speed USB 2.0 Serial Adapters
- Expands one USB port to 4 USB ports (USB 2.0, 1.1 compatible)
- Data rate: up to 921.6 kbps
- Desktop-style enclosure, plug-and-play compatibility
- Bus powering – no external power required
- High-speed UARTS with 1KB FIFOs boost data rates
- Devices enumerate themselves as standard COM ports
- Full modem, hardware and software flow control
- RS-232, or software selectable RS-232/422/485 (# QSU2-400)
- USB cable included
Connect and broaden the range of external peripherals on your computer with these USB 2.0 high speed serial adapters. The USB 2.0 standard has more bandwidth allowing higher data rates on serial ports for greater efficiency. USB 2.0 is fully compatible with USB 1.1 devices. Older devices work with the new bus, and vice versa.
These USB serial adapters give your laptop or workstation the ability to communicate between a USB port and up to four RS-232, RS-422, or RS-485 serial peripherals. The USB serial adapters enumerate themselves as standard COM ports via the USB connection and are compatible with new and legacy RS-232 or RS- 232/422/485 devices and the software created for them. The adapters support data rates up to 921.6 kbps, 1024-byte FIFO and hardware/software flow control.
Model QSU2-400 features software-selectable RS-232/422/485 MEI (“Multi-Electrical Interface”). MEI capability is available on all ports at the click of a mouse. LEDs visually tell you which ports are using which protocol – so go ahead, mix and match.
These USB serial adapters are the ideal solution for a variety of industries and applications including banking, retail and industrial automation where PCs have a significantly shorter lifecycle than the peripherals that use them.
SPECIFICATIONS
SERIAL TECHNOLOGY | |
Serial Connectors | 4 ports (DB9 male) |
Serial Port Configuration Model QSU2-400 | Each port is independently configurable as RS-232, RS-422 or RS-485 for full-duplex or half-duplex communication |
Data Rate | Up to 921.6 kbps (maximum) |
UARTS | 1024-byte FIFOs for Transmit and Receive |
Transceiver (RS-232/422/485) | MAX491 or compatible |
USB TECHNOLOGY | |
USB Connector | 1 port (USB Type A Male) |
Bus Interface | 2.0 and 1.1 compatible |
INPUT/OUTPUT | |
Differential Driver Output | 50Ω Load: +2V (minimum), +3.3V (maximum) 27Ω Load: +1.5V (minimum), +3.3V (maximum) |
High Input | +2.0V (minimum) |
Low Input | +0.8V (maximum) |
Driver Rise/Fall Time | 5ns (minimum), 20ns (typical), 25ns (maximum) |
Driver Input-to-Output Delay | 20ns (minimum), 40ns (typical), 60ns (maximum) |
Receiver Input-to-Output Delay | 40ns (minimum), 70ns (typical), 100ns (maximum) |
RS-232 Output | Voltage Range: +/-5V (minimum), +/-5.4V (typical) |
RS-232 Input | Voltage Range: -15V (minimum), +15V (typical) Threshold Low: 0.6V (minimum), 1.0V (typical) Threshold High: 2.4V (minimum), 1.5V (typical) |
POWER | |
Source | Bus-powered; no external power supply required |
Suspend Power | <500 mA |
Unconfigured Power | <100 mA |
Configured Power | <500 mA |
SOFTWARE | |
OS Support | Windows 2000, XP, Linux |
MECHANICAL | |
Dimensions | 9.18L x 5.25W x 1.68H cm (23.32L x 13.34W x 4.27H in) |
ENVIRONMENTAL | |
Operating Temperature | 0 to +70 °C (+32 to +158 °F) |
Storage Temperature | -50 to +80 °C (-58 to +176 °F) |
Humidity | 10 to 90% |
REGULATORY | |
Certifications | FCC Class B, CE, RoHS, WEEE Compliant |
ORDERING INFORMATION
MODEL NUMBER | PORTS | INTERFACE | SOFTWARE SELECTABLE? |
BB-QSU2-100 | 4 | RS-232 with cable | - |
BB-QSU2-400 | 4 | RS-232/422/485 with cable | Yes |
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