Moxa POS-104UL 4-Port RS-232 Universal PCI Serial Board
The Moxa POS-104UL is a 4-port RS-232 Universal PCI serial communication board designed primarily for POS, ATM, industrial automation and system integration applications. It adds four independent RS-232 interfaces to a compatible computer while providing configurable power options for connected serial peripherals.
The POS-104UL uses a 32-bit Universal PCI interface and is compatible with both 3.3V and 5V PCI/PCI-X systems. Each RS-232 port supports communication speeds from 50 bps up to 921.6 kbps and includes a 128-byte FIFO with hardware and software flow-control support for efficient serial data handling.
Technical Specifications
| Specification |
Details |
| Model |
POS-104UL |
| Product Type |
4-Port RS-232 Universal PCI Serial Board |
| Number of Serial Ports |
4 |
| Serial Standard |
RS-232 |
| Bus Interface |
32-bit Universal PCI |
| PCI Compatibility |
3.3V and 5V PCI/PCI-X |
| Communication Controller |
16C550C compatible |
| Connector |
DB44 female |
| Serial Connector Accessory |
CBL-M44M9x4-50(POS), 4 × DB9 male |
| Baud Rate |
50 bps to 921.6 kbps |
| FIFO |
128 bytes |
| Data Bits |
5, 6, 7, 8 |
| Stop Bits |
1, 1.5, 2 |
| Parity |
None, Even, Odd, Space, Mark |
| Flow Control |
None, RTS/CTS, XON/XOFF |
| RS-232 Signals |
TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND, RI optional |
| Serial Port Power |
5V output, 12V output or RI input |
| Output Power Rating |
1A @ 5V and 1A @ 12V per port |
| Maximum Boards per PC |
Up to 8 |
| Dimensions |
64.4 × 120 mm |
| Operating Temperature |
0°C to 55°C for POS-104UL-DB9M |
| Wide-Temperature Variant |
POS-104UL-T: -40°C to 85°C |
| Relative Humidity |
5% to 95%, non-condensing |
POS and ATM Serial Communication
The POS-104UL is specifically designed for systems that require multiple RS-232 connections from a single computer. Its four serial ports can be used with terminals, modems, printers, scanners, cash registers, barcode readers, keypads, numeric displays, electrical scales and data acquisition equipment.
The board's 128-byte transmit and receive FIFO and on-chip hardware/software flow control help maintain reliable serial communication when multiple devices are connected simultaneously. Its support for baud rates up to 921.6 kbps provides flexibility for different serial applications.
Power over Serial Ports
A key feature of the POS-104UL is its configurable serial-port power capability. Depending on the jumper configuration, each port can provide 5V or 12V output through the serial connector's pin 9, or use the RI signal as an input. This can simplify installation for supported peripherals that require power through their serial connection.
The board supports up to 1A at 5V and 1A at 12V per port. Power can be sourced from the PCI bus or an external PC power supply according to the installation configuration.
Compatibility and Installation
The POS-104UL uses a 32-bit Universal PCI interface and supports both 3.3V and 5V PCI/PCI-X environments. Before purchasing, verify that the host computer provides a compatible Universal PCI/PCI-X expansion slot, as the POS-104UL is not a PCI Express serial board.
The board itself uses a DB44 female connector. The standard POS configuration uses the CBL-M44M9x4-50(POS) cable to provide four DB9 male serial connections. The exact cable and connector arrangement should be confirmed for the intended POS or industrial installation.
Operating Temperature Options
The standard POS-104UL-DB9M version operates from 0°C to 55°C. Moxa also offers the POS-104UL-T variant for wider-temperature applications, supporting -40°C to 85°C. Select the appropriate model according to the environmental conditions of the installation.
Moxa POS-104UL Price in Bangladesh
For the latest Moxa POS-104UL price in Bangladesh, contact Datacom Technologies (BD). Pricing and availability may vary depending on sourcing, product condition, warranty and stock status.
Contact: sales@datacom.com.bd
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