Accord Full-Mini (F1) card type slot size; Accord PCI-E Mini Card electrical specification Revision 1.2; RS485 signals: DATA+ (B), DATA- (A), GNDRS422 signal: T/R+, T/R-, RXD+, RXD-, GND 600W surge protection, 15 KV ESD protection for all serial ports. Working mode: asynchronous, point-to-point or point-to-multipoint 2 wires (half duplex) 4 wires (full duplex). Transmission distance: -485/422 port: 1.2km (300bps-921600bps). Sleep mode with wake-up Indicator. Transmission media: twisted-pair cable or shielded cable. Interface protection: 600W surge protection, 15 kV ESD protection for all serial ports; Direction control: Automatic data-flow direction control technology, automatically distinguishes and controls the data transmission direction; UART interface supports 7 or 8 data bits, 1 or 2 stop bits, and even/odd/mark/space/none. Flow control: none, hardware and xon/xoff. Load capability: Supports point-to-multipoint transmission. Each converter can connect 32 -422 or -485 interface equipment. Extended operating temperature range: -40 to 85C. Applications: Point-of-Sale Systems, Remote Access Servers, Storage Network Management, Factory Automation, and Process Control. System Requirements: Windows Server 2003, 2008, 2012, Windows XP, Vista, 7, 8, Linux 2.6.27, 2.6.31, 2.6.32, 3.x.x and newer. A available mini PCI slot. Colour: Photo Color. Material: Plastic + Metal. Package Contents: 1 x PCIE Adapter Card. Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real item. The allowed measurement error is +/- 1-3cm.