Moxa Technologies CP-118EL User Manual download pdf (Page 6)

PCI Express Board User's Manual Introduction

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Overview

Moxa’s new PCI Express Multiport Serial Boards are designed for POS and ATM applications and for use by

industrial automation system manufacturers and system integrators. The boards are compatible with all

popular operating systems, and each of them supports data rates of up to 921.6 Kbps, and provides full modem

control signals, ensuring compatibility with a wide range of serial peripherals. In addition, all models work with

PCI Express ×1, allowing the boards to be installed in any available PCI Express slot (including ×1, ×2, ×4, ×8,

×16, ×32).

PCI Express Solution

The boards comply with PCI Express Spec. 1.1. The ports’ transmission parameters are configured after the

boards are installed. The PCI BIOS automatically assigns the IRQ and I/O addresses. For this reason, you must

plug the boards into the computer before installing the drivers. For more PCI Express information, refer to the

“Technical Reference” appendix.

ESD Protection

The PCI Express boards come with built-in 15 KV ESD protection to prevent damage to the boards from

lightning or high potential voltage. The surge protection feature makes the PCI Express boards suitable for

industrial, factory-type applications, and for use with applications that are subject to severe weather

conditions.

ADDC™ (Automatic Data Direction Control) for RS-485

RS-485 uses differential data transmission over two wires to transmit data from one station to another, and

allows multiple transmitters and receivers to be used on the same data line. RS-485 uses half-duplex

transmission, which means that transmission and reception share the same data channels. For this reason,

only one transmitter can be active at any given time.

Moxa’s serial boards have a built-in circuitry to switch transmitters on and off automatically. We call this form

of switching ADDC® (automatic data direction control). ADDC® is much easier to implement than the

traditional “handshaking” method that uses the RTS signal.

Operating System Support

The PCI Express boards are compatible with all major industrial platforms, including Windows

2000/XP/2003/Vista/2008, Windows 7/8/2012, Windows CE, DOS, Linux, FreeBSD, QNX, and SCO. Moxa

device drivers are provided for smoother installation, configuration, and performance.

Visit Moxa’s website at www.moxa.com

to download the latest drivers and user’s manuals for all of Moxa’s

products.

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Moxa Technologies CP-118EL User Manual Page 6