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AT-485-2 Technical Specifications:
| Manufacturer | National Instruments |
|---|---|
| Model | AT-485/2 |
| Part Number | 777311-02 |
| Type | Serial Interface Card |
| Repair Evaluation | $150 |
AT-485-2
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| Part Number | AT-485-2 |
| Manufacturer/Brand | National Instruments |
| Description | AT-485/2, 2-Port, Serial Interface Card |
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- Description
- Technical Specifications
- FAQ
National Instruments AT-485/2 Serial Interface Device
The AT-485/2 is a Serial Interface Device. The manufacturer of the AT-485/2 is National Instruments. The part number of the NI AT-485/2 is 777311-02. The NI AT-485/2 is associated with the group of USB interfaces.
The NI AT-485/2 has a metal baseplate with its hard-plastic case. The AT-485/2 is designed to alter a USB port with a serial port for communication purposes. RS-422 interface modules are used with these serial ports for communication. Super serial drivers are available in each interface. These drivers ensure robust performance and reliable sharing interruption between ports. The AT-485/2 is also capable of using RTS/CTS handshaking hardware lines. For this function, the AT-485/2 Serial Interface Device is deployed as a standard serial port. The NI AT-485/2 can work with standard PC serial ports. The compatible operating systems of the AT-485/2 are Windows 2000 and 9x. NI serial devices also be used as standard COM ports, which are compatible with program applications used for serial communications.
The AT-485/2 operates on super drivers to utilize advanced transceiver control behavior related to the RS-232/485 interface boards. USB interface boards are only operated in an indoor environment. The ambient temperature of all USB interfaces should be in the range of 0 to 70 °C. The AT-485/2 features LEDs placed at the transmitter as well as the receiver port. The NI AT-485/2 Serial Interface Device is equipped with a DB-9 input/output male connector for input/output interfaces. The external supply for the AT-485/2 device should be from 9 V to 30 V.
| Model | AT-485/2 |
|---|---|
| Manufacturer | National Instruments |
| Part Number | 777311-02 |
| Type | Serial Interface Card |
| Typical Current for External Supply | 225 mA |
| Standard Baud Rate | 460.8 kbps |
| Number of Ports | 2 |
| I/O Connectors | DB-9 male connectors |
| Driver Software | NI-Serial |
| FIFO Size | 16 B |
| Bus | ISA |
| Warranty | 2-3 Year Warranty |
| AT-485/2 Manual | User Manual and Maintenance Manual Available for Download |
| Price | Contact a sales representative for a quote. |
National Instruments AT-485/2 Frequently Asked Questions
Question: How many devices can the AT-485/2 connect with at a time?
Answer: The AT-485/2 can connect with a maximum of 31 devices.
Question: What type of transmission lines does the NI AT-485/2 have?
Answer: The NI AT-485/2 has differential transmission lines.
Question: What is the maximum cable length that can be used with the AT-485/2?
Answer: The maximum cable length that can be used with the AT-485/2 is 4,000 ft.
AT-485-2
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AT-485/2, 2-Port, Serial Interface Card
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- AT-485-2 Technical Specifications
| Manufacturer: | National Instruments |
|---|---|
| Model: | AT-485/2 |
| Part Number: | 777311-02 |
| Type: | Serial Interface Card |
| Repair Evaluation: | $150 |





