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參數資料
| 型號： | AR-B9012 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | ER 12C 12#12 SKT RECP LINE |
| 中文描述： | 隔離422/485通信卡 |
| 文件頁數： | 1/1頁 |
| 文件大小： | 321K |
| 代理商： | AR-B9012 |
Isolated 422/485 Communic ation Card
Features
2 serial 16C550 ports (16C550 w/16 byte FIFO for option)
Interface type: RS-422A or RS-485
Baud Rate: up to 115.2K bps
Can be set from COM1 to COM8
Port Signals: TXD, RXD, CTS and RTS
Isolation Voltage: 500VDC
Maximum transfer distance: 4000 feet
Terminator: 120 ohms (Enable/Disable selection switch)
Power requirement: 5V/250mA
Two or four wire operation
Dimensions: 175mm x 107mm
AR-B9012
Specifications
General
Interface Type
Number of Ports Per Card
Baud Rate
Parity
RS-422A or RS-485
2
50 to 115.2K
None, even, odd, mask or space
5, 6, 7 or 8 bits
1, 1.5 or 2 bits
TXD, RXD, CTS and RTS
D-type, 9pin, female
16C550
SN75175 or SN75173
SN75174 or SN75172
RS-422A 4K ohm; RS-485 12K ohm
Maximum Transfer Distance
4000ft
Data Bits
Stop Bits
Connector
Port Signal
UART
Output Driver
Input Driver
Input Resistance
120 ohm
PC900 for TXD and RXD, 4N35 for CTS and RTS, 5000Vrms isolation
DC to DC converter, 500 VDC isolation
8 bit ISA bus (If only first 4 IRQ used)
16 bits ISA bus (If 8 IRQ used)
IRQ 2(9), 3, 4, 5, 10, 11, 12 and 15
Signal Isolator
Termination Resistor
5VDC/250mA
Operating Temp. : 0 to 60 Celsius degree
Power Requirement
Physical and Environmental
Storage Temp. : -25 to 85 Celsius degree
Humidity: 0% to 95%, non-condensing
175mm x 107mm
Dimensions
Power Isolator
Bus Type
Interrupt Channel
Ordering information:
Model No.
AR-B9012
Isolated 422/485 Communication Card
Disk: DOS Driver, Win31 Driver
Description
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