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Moxa UPort 1110 USB to RS-232 Serial Converter with 921.6 kbps Speed and Auto Data Recovery

Name: Moxa UPort 1110 USB to RS-232 Serial Converter with 921.6 kbps Speed and Auto Data Recovery
Rating: 4.5 (49 reviews)

Brand Moxa

Model Number UPort 1110

UPC N/A

Manufacture Warranty

EpicRise Warranty 1 Year

Product Highlights

• Single RS-232 port USB converter with 921.6 kbps baud rate and 12 Mbps USB 1.1 speed for fast serial communication

• ARDC (Auto Recovering Data Communication) automatically restores data transmission if cable is accidentally unplugged

• Built-in 15 KV ESD protection and 64-byte FIFO with hardware/software flow control ensures reliable industrial connectivity

• Supports Windows 11/10/8/7, Linux kernel 2.4.x to 6.x, macOS 10.12-10.15, VMware, and Android 3.1+ for broad compatibility

• Fixed-base COM mode allows sequential COM port numbering regardless of which UPort is connected to host system

Overview
Specifications
FAQ
User Guides
Reviews

The Moxa UPort 1110 is a professional-grade USB to RS-232 serial converter designed for field engineers, IT professionals, and system integrators who need reliable serial connectivity on modern laptops and workstations without native COM ports. This bus-powered converter eliminates the need for external power adapters while providing enterprise-grade data protection through 15 KV ESD shielding and automatic data recovery features.

With support for baud rates up to 921.6 kbps and USB 1.1 speeds of 12 Mbps, the UPort 1110 delivers data transmission rates far exceeding traditional serial port capabilities. The ARDC (Auto Recovering Data Communication) feature ensures continuous operation even when cables are accidentally disconnected, eliminating the need to reconfigure complex settings. Its Fixed-base COM mode provides predictable COM port numbering across multiple UPort devices, simplifying large-scale deployments and reducing configuration errors.

Best For

The UPort 1110 serves professionals who require dependable serial device connectivity across diverse operating environments and legacy equipment integration scenarios.

- Field Service and Commissioning: Engineers connecting to industrial equipment, building automation systems, and legacy machinery at customer sites using modern laptops without DB9 ports

- Point-of-Sale Systems: Retail and hospitality environments requiring serial connections to cash drawers, receipt printers, barcode scanners, and payment terminals

- Instrumentation and Testing: Laboratory and manufacturing quality control setups interfacing with serial-based measurement devices, oscilloscopes, and data acquisition equipment

- Network and Telecom Management: IT administrators configuring routers, switches, firewalls, and telecom equipment through console ports for initial setup and troubleshooting

- Mobile Data Collection: Warehouse and logistics operations connecting handheld scanners, GPS devices, and mobile terminals to workstations for data synchronization

Key Features

- Single DB9 male RS-232 port supporting full serial signals (TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND) for complete hardware handshaking

- USB Type A connector with bus power draw of only 30 mA, requiring no external power supply for portable deployment

- ARDC technology automatically resumes data transmission after cable reconnection without manual reconfiguration or application restart

- 15 KV electrostatic discharge protection safeguards both host computer and connected serial devices in industrial environments

- Fixed-base COM mode enables administrators to assign specific starting COM port numbers with sequential numbering across multiple UPort units

- Comprehensive driver support including Windows Server 2000-2022, Linux kernel 2.4.x-6.x, macOS 10.12-10.15, WinCE, VMware ESXi, and Android 3.1+

- LED indicators (Active, TxD, RxD) provide instant visual confirmation of converter status and data transmission activity

- 64-byte FIFO buffer with configurable hardware (RTS/CTS) and software (XON/XOFF) flow control prevents data loss during high-speed transfers

Quick Specs

Specification	Details
Serial Ports	1 x RS-232 DB9 male
Baud Rate	50 bps to 921.6 kbps
USB Interface	USB Type A, 12 Mbps (USB 1.1/2.0 compatible)
Serial Signals	TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
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
ESD Protection	15 KV built-in
Power Input	5 VDC, 30 mA (bus-powered)
Operating Temperature	0 to 55°C (32 to 131°F)
Storage Temperature	-20 to 70°C (-4 to 158°F)
Humidity	5 to 95% (non-condensing)
Housing	ABS + Polycarbonate
Dimensions	37.5 x 20.5 x 60 mm (1.48 x 0.81 x 2.36 in)
Weight	65 g (0.14 lb)
MTBF	1,949,025 hours (MIL-HDBK-217F)

What's Included

- UPort 1110 USB to Serial Converter

Product Details
Color	Silver
Connection Type	USB
Power Source	USB

What types of work environments and applications is the UPort 1110 best suited for?

The UPort 1110 is designed for field engineering, point-of-sale systems, instrumentation testing, and network equipment management. It connects laptops and workstations without native COM ports to legacy serial devices like industrial machinery, cash registers, barcode scanners, and network switches. The bus-powered design and compact size make it ideal for mobile technicians who need portable serial connectivity at customer sites.

How does the UPort 1110 compare to other models in Moxa's UPort 1100 series?

The UPort 1110 provides a single RS-232 port with DB9 male connector, making it the most compact and economical option in the series for users who need standard COM port functionality. Other UPort 1100 models may offer different serial standards (RS-422/485) or multiple ports, but the 1110 focuses on delivering reliable RS-232 connectivity with the same ARDC auto-recovery and 15 KV ESD protection found across the entire series. All UPort 1100 models share the same driver support and Fixed-base COM mode capability.

Is the UPort 1110 worth the investment compared to generic USB serial adapters?

The UPort 1110 delivers professional-grade reliability through 15 KV ESD protection, ARDC auto-recovery, and 1,949,025-hour MTBF rating that generic consumer adapters lack. It includes Fixed-base COM mode for consistent port numbering across multiple units, comprehensive enterprise OS support including VMware and Linux kernel 2.4.x-6.x, and 64-byte FIFO buffering for data integrity. Organizations deploying multiple converters or requiring dependable operation in industrial environments benefit from reduced troubleshooting time and lower failure rates.

Which operating systems and virtualization platforms work with the UPort 1110?

The UPort 1110 supports Windows 11/10/8.x/7/Vista/XP and Windows Server 2000-2022, Linux kernel 2.4.x through 6.x, macOS 10.12-10.15, WinCE, and Android 3.1+. Virtualization support includes VMware Fusion on macOS, VMware ESXi with Windows 7-10 and Server 2008 R2-2019, VMware ESXi with Linux kernel 4-5, and Parallels Desktop on macOS. Drivers are available directly from Moxa for all supported platforms.

What baud rates and data formats does the UPort 1110 support?

The UPort 1110 supports baud rates from 50 bps to 921.6 kbps with configurable data bits (5/6/7/8), stop bits (1/1.5/2), and parity options (None/Even/Odd/Space/Mark). It provides hardware flow control (RTS/CTS) and software flow control (XON/XOFF) through a 64-byte FIFO buffer. The USB interface operates at 12 Mbps, substantially faster than maximum serial transmission rates.

Does the UPort 1110 require external power or special cables?

The UPort 1110 is bus-powered through its USB Type A connector, drawing only 30 mA from the host computer with no external power adapter required. The converter has a built-in DB9 male connector for direct attachment to serial devices with DB9 female ports. Moxa offers optional cables separately for DB25 connections or extended reach applications, but standard DB9 serial cables work with the included connector.

How does ARDC (Auto Recovering Data Communication) work on the UPort 1110?

ARDC automatically restores data transmission when a serial cable is reconnected after accidental disconnection, eliminating the need to manually reconfigure settings or restart applications. This feature maintains communication reliability in mobile environments or installations where cables may be disturbed. The Active LED (red) indicates normal operation when steadily lit and fault conditions when off, providing immediate visual feedback on converter status.

What is Fixed-base COM mode and how does it benefit multi-converter deployments?

Fixed-base COM mode allows administrators to set a specific starting COM port number, after which all UPort 1110 units connected to the host assign sequential COM numbers automatically. This eliminates the unpredictable COM port assignments typical of standard USB serial converters when multiple units are used. Applications can reliably reference the same COM port numbers across system restarts and different USB port connections, reducing configuration errors in environments with multiple serial devices.

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