Expands 4 com ports for your system
High Speed Baud Rate up to 921.6Kbps
Compatible with 3.3V/5V PCI and PCI-x slot
Max 10 device connectivity for 4 Wire RS-485(RS-422 Multi-Drop) mode
Max 32 device connectivity for 2 Wire RS-485 mode
Built-in 15KV ESD protection
2KV Optical Isolation
600W Surge protection (Optional)
Supports Industrial Specification
256 byte FIFOs integrated UART
Supports Microsoft Windows, Linux, and DOS drivers

Hardware
Controller : 16C550 UART Compatible register Set
Bus : 32 bit Universal PCI 64/32bit 3.3V/5V PCI ver 3.0, 2.3, 2.2, 2.1 and PCI-X
Connector : DB44 Female

Serial Interface
Number of ports : 4 ports
Serial Standard : RS-422/485
IRQ and I/O Address : Assigned by System

Serial Line Protection
ESD Protection : 15KV ESD Protection for all signals
Optical Isolation Protection : 2KV Opto Isolator Protection for each port
Surge Protection : 600W Surge Protection for RS-422/485 signals

Performance
Baud rate : up to 921.6 Kbps
FIFOs : 256 byte

Serial Communication Parameters
Data Bits : 5, 6, 7, 8
Stop Bits : 1, 1.5, 2
Parity : None, Even, Odd, Space, Mark

Serial Signals
RS422 : TxD+, TxD- RxD+, RxD-, GND
2 Wire RS485 : Data+, Data-, GND
4 Wire RS485 : TxD+, TxD-, RxD+, RxD-, GND

DB9M Pin Assignments

DB9F to 5pin Terminal Block Surge Adapter Pins

Driver Support
Windows : XP, 2003, Vista, 2008, Win 7
Linux : 2.4 and 2.6
DOS

Physical Characteristics
Bracket : Standard and Low Profile Bracket
Bracket Space : 1

Environmental
Operating Temperature : -30 ~ 75 °C
Storage Temperature : -40 ~ 85 °C
Ambient Relative Humidity : 5 ~ 95% Non-Condensing
Certifications : CE and FCC supports

Package Content
1 x 4 port RS-422/485 PCI Optical Isoaltion Card
1 x DB44F to 4 x DB9M Cable 30cm
4 x DB9F to 5 pin Terminal Block 600W Surge Adapter (Optional)
1 x Low Profile Bracket
1 x Quick Instill Guide
1 x Driver CD