The National Instruments USB-485/2 Serial Interface Device (Part Number 778476-02) is a 2-port adapter with hard plastic casing and a metal baseplate, featuring a DB-9 male connector, power requirements of +5 V
The National Instruments USB-485/2 Serial Interface Device, with part number 778476-02, is a robust 2-port communication solution featuring a resilient case made of hard plastic with a metal baseplate. This device is equipped with a DB-9 male connector, ensuring reliable connectivity. It operates on a typical power supply of +5 VDC at 300 mA, with a maximum allowance of +5 VDC at 500 mA.
With a high maximum baud rate of 460.8 kbps, it is tailored for efficient serial data transfer. The device is designed exclusively for indoor applications and functions optimally at a maximum altitude of 2,000 meters. Users have the flexibility to choose from various cable lengths, up to a substantial maximum of 4,000 feet, while benefiting from robust data line ESD protection of ±15 kV.
The USB-485/2 boasts a FIFO size of 128 Bytes and utilizes bicolor LEDs to provide clear indication of device and port status. This device also complies with international electromagnetic compatibility standards, ensuring its reliability and quality in diverse operating environments.
Attribute
Specification
Manufacturer
National Instruments
Product Name
USB-485/2 Serial Interface Device
Part Number
778476-02
Number of Ports
2-Port
Case Material
Hard plastic with a metal baseplate
Connector Type
DB-9 male connector
Power Requirement (Typical)
+5 VDC at 300 mA
Power Requirement (Maximum)
+5 VDC at 500 mA
Maximum Baud Rate
460.8 kbps
Indoor Use
Yes
Maximum Working Altitude
2,000 m
Maximum Cable Length
4,000 feet
Data Line ESD Protection
±15 kV
FIFO Size
128 Bytes
LED Indicators
Bicolor LEDs for device and port status
Electromagnetic Compatibility
Meets international standards
Question 1: What is the maximum altitude at which the National Instruments USB-485/2 Serial Interface Device can function optimally? Answer 1: The National Instruments USB-485/2 Serial Interface Device uses a DB-9 male connector to ensure reliable connectivity.
Question 2: What are the maximum operating altitude and the ESD protection rating for the National Instruments USB-485/2 Serial Interface Device with part number 778476-02? Answer 2: The maximum operating altitude for the National Instruments USB-485/2 Serial Interface Device with part number 778476-02 is 2,000 meters, and it offers a data line ESD protection rating of ±15 kV.
Question 3: What is the maximum baud rate and maximum altitude at which the National Instruments USB-485/2 Serial Interface Device, part number 778476-02, can operate effectively? Answer 3: The National Instruments USB-485/2 Serial Interface Device can function optimally at a maximum altitude of 2,000 meters.
Question 4: What type of connector is used on the National Instruments USB-485/2 Serial Interface Device to ensure reliable connectivity? Answer 4: The maximum baud rate at which the National Instruments USB-485/2 Serial Interface Device, part number 778476-02, can operate effectively is 460.8 kbps, and it can function optimally at a maximum altitude of 2,000 meters.
Question 5: What power supply specifications does the National Instruments USB-485/2 Serial Interface Device require for operation and what is its maximum power allowance? Answer 5: The National Instruments USB-485/2 Serial Interface Device requires a typical power supply of +5 VDC at 300 mA for operation and has a maximum power allowance of +5 VDC at 500 mA.
