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产品详情：
产品介绍：通用PCI总线4路隔离RS-232通讯卡
特点：
Provides 4 RS-232 ports
128-byte Hardware FIFO for Each Port
Built-in COM-Selector
128 KB Software Buffer (max.) for Each COM Port Under Windows
+/-4 kV ESD Protection for i versions
Short Card Design
2500 VDC Isolation for i versions
Supports 3.3 V/5 V PCI bus, Plug and Play for VXC-114(i)U
Supports PCI Express x1, Plug and Play for VEX-114(i)
规格：
Models
VXC-114u
VXC-114iAU
VEX-114
VEX-114i
Communication Port
COM1 ~ COM4
RS-232 (TxD, RxD, RTS, CTS, DTR, DSR, DCD, RI, GND)
UART
16C950 compatible
Baud Rate
50 ~ 115200 bps
Data bit
5, 6, 7, 8
Stop bit
1, 1.5, 2
Parity
None, Even, Odd, Mark, Space
FIFO
Internal 128 bytes
Isolated
2500 VDC
ESD Protection
+/-4 kV
General
Bus Type
Universal PCI, 3.3 V and 5 V, 33 MHz, 32-bit, Plug and Play mechanism
COM-Selector
Yes (8-bit DIP switch)
Connector
DB-37 (Female)
Power Consumption
880 mA @ 5 V
Operating Temperature
0 °C ~ +60 °C
Storage Temperature
-20 °C ~ +70 °C
Humidity
0 ~ 90% RH, non-condensing
Dimensions (L x W x D)
133 mm x 93 mm x 22 mm