
AR-B9012
High-Speed Optically Isolated RS-422/485 Interface Card
Introduction
The AR-B9012 is a two channel RS-422/485 asynchronous communication adapter uses a DC/DC converter and a high speed optical isolator to isolate
system grounds.
Features
- Fully Isolated by High Speed OPTO Isolators and Two Separate DC to DC Converters
- Dual Independent RS-422/485 Asynch-ronous Communications Interface
- Minimum of 5000 Vrms Isolation Protection
- Reliable Communications up to 4000Ft.
- IBM Compatible Serial Ports with Baud Rates up to 115.2K bps
- Can be Set as COM1: to COM8: for a Total 4 Cards in One System
- Selectable Interrupt Level (8 IRQ) - IRQ2(9), IRQ3, IRQ4, IRQ5, IRQ10, IRQ11, IRQ12 or IRQ15
- COM Port Address and IRQ Meet Windows Specifications
- Supports TXD, RXD, RTS and CTS Signals
- Two or Four Wire Operation
- Disable Function for Port 2
- Transmitter and Receiver Enable/Disable Selection Switch
- On-Board Switchable Termination Resistor
- 86C450 UART
Pricing
| PLEASE CALL FOR OEM QUANTITY PRICING! |
Price Each |
| Cat No. |
Product Description |
1
| 5 |
| AR-B9012 |
Optically Isolated RS-422/485 Interface Card |
$137.00 |
$119.00 |
Go To Data Acquisition Index
Please Call Toll Free at (800) 811-5208
Inside the Phoenix-Metro Area Please Call (602) 464-2485


©1995 Circuit Specialists, Inc.