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AT-485-2
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AT-485/2, 2-Port, Serial Interface Card

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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.

ModelAT-485/2
ManufacturerNational Instruments
Part Number777311-02
TypeSerial Interface Card
Typical Current for External Supply225 mA
Standard Baud Rate460.8 kbps
Number of Ports2
I/O ConnectorsDB-9 male connectors
Driver SoftwareNI-Serial
FIFO Size16 B
BusISA
Warranty2-3 Year Warranty
AT-485/2 ManualUser Manual and Maintenance Manual Available for Download
PriceContact a sales representative for a quote.

Associated part numbers for AT-485-2:

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.

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AG-485-2, AT-E85-2, AT-4U5-2, AT-485-Q, AT-485-E
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