Moxa CP-104UL-DB25M , 4-Port RS-232 Universal-PCI Low-Profile content_copy

The Moxa CP-104UL-DB25M is an industrial 4-port RS-232 serial card in Universal PCI format, specifically developed for use in industrial applications such as POS terminals, cash dispensers, or automation systems. The card offers high data transfer performance with a maximum baud rate of 921.6 kbps per port and a 128-byte FIFO memory, which increases efficiency in data processing. The integrated hardware and software flow control supports reliable communication, even at high data rates. The card is designed for operation in a standard temperature range of 0 to 55 °C and features a robust construction for use in demanding environments.

Applications
The CP-104UL-DB25M is suitable for applications requiring multiple serial devices to be connected to a PC, for example in manufacturing automation, retail, or logistics. The card is compatible with 3.3 V and 5 V PCI as well as PCI-X slots, enabling universal use in various systems. Integrated LED indicators for transmit and receive activity per port facilitate diagnosis and maintenance.

Functions and Features in Detail
The card features a communication controller of type MU860, compatible with the 16C550C standard. This ensures broad support for various operating systems, including Windows (DOS to Windows 10, Server 2019, CE 5.0/6.0, XP Embedded), Linux (kernel 2.4.x to 5.x), and various UNIX systems such as QNX 6, SCO OpenServer, UnixWare 7, Solaris 10, and FreeBSD. The serial interfaces support various configurations: data bits (5, 6, 7, 8), stop bits (1, 1.5, 2), parities (none, even, odd, space, mark), and flow control types (none, RTS/CTS, XON/XOFF). Signals TxD, RxD, RTS, CTS, DTR, DSR, DCD, and GND are fully supported.

Technology Explained Simply
The 128-byte FIFO memory enables efficient data buffering, reducing CPU load and allowing smoother data transfer. The maximum baud rate of 921.6 kbps per port ensures high transmission performance suitable for time-critical applications. The card uses a DB44 connector on the main board, which connects via a breakout cable to four DB25 connectors. This cable is included in the delivery and enables direct connection to devices with DB25 interfaces.

Compatibility and Accessories
The CP-104UL-DB25M is designed for 32-bit Universal PCI bus systems and can support up to eight cards per PC. For use in systems with low profile height, an optional low-profile bracket (part number 1490000001000) is available.

Installation and Mounting
Installation is performed by inserting the card into a free PCI or PCI-X slot. The card is powered via the system's 5 VDC supply (120 mA). The quick installation guide included in the delivery supports installation and configuration. The card is designed for use in standard PCs equipped with an appropriate PCI slot.

Operational Advantages
The card offers high reliability with an MTBF of 558,961 hours (according to Telcordia TR/SR standard). Certifications according to EN 55032/24, CISPR 32, FCC Part 15B Class B, and IEC 61000-4-2/3/4/5/6/8 (for CP-104UL) ensure electromagnetic compatibility and immunity to interference. Environmental certifications RoHS, CRoHS, and WEEE, as well as KC approval (only for CP-104UL-DB9M), confirm compliance with international standards. The 5-year manufacturer's warranty provides additional security for operation.

The delivery includes the serial card CP-104UL-DB25M, a breakout cable of type M44 to 4 x DB25-M (50 cm), a quick installation guide, a substance declaration, and a warranty card. The card is designed for operation in a temperature range of 0 to 55 °C, with a storage temperature of -40 to 85 °C and a humidity level of 5–95 % (non-condensing). Power supply is via 5 VDC with a current consumption of 120 mA.

General
Standards	RS-232
Data bits	5, 6, 7, 8
Stop bits	1, 1.5, 2
MTBF	558.961 Stunden

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