General
Number of serial ports	8
Air humidity	5–95 %

The Moxa NPort 6610-8-48V is a Device-Server from the NPort 6400/6600 series, specifically designed for integrating serial devices into Ethernet networks. The device features eight serial ports and enables secure and reliable communication between legacy systems and modern network infrastructures. It is designed for industrial applications where security, network resilience, and flexibility are paramount. The serial interfaces support the standards RS-232, RS-422, and RS-485, with each port individually configurable, allowing mixed operation of different protocols.

Applications

The NPort 6610-8-48V is suitable for applications in industrial automation, such as connecting machines, sensors, controls, or printers via Ethernet. It is particularly suited for environments with high requirements for operational safety and data integrity, such as production facilities, energy supply, or transportation. Support for IEC 62443-compliant security functions also makes it suitable for critical infrastructures.

Functions and Equipment in Detail

The device features an integrated 64-KB port buffer that stores data during short-term network outages to prevent data loss. This function can be extended via an SD card (up to 32 GB), increasing buffer capacity for longer outages. The serial ports are implemented via 8-pin RJ45 connectors, ensuring a compact and robust connection. Configuration is possible via a web console, Windows tools, CLI (Telnet/SSH), or an LCD panel (on standard temperature models), providing quick status overview.

Technology Explained Simply

The serial interfaces support baud rates from 50 bps to 921.6 kbps, including special values, ensuring broad compatibility with various devices. The network connection is via an RJ45 port with 10/100BaseT(X) and Auto-MDI/MDI-X, allowing flexible cabling. Isolation of 1.5 kV protects the device against transient voltage spikes. Security features include HTTPS, AES-128/256 encryption, SSHv2, SNMPv3, and authentication via local users, RADIUS, or TACACS+. These measures protect data transmission against unauthorized access and manipulation.

Compatibility and Accessories

The NPort 6610-8-48V is compatible with operating systems such as Windows, Linux, macOS, Android, VMs, and embedded systems. Network resilience is enhanced by redundant Ethernet options with STP, RSTP, and Turbo Ring, increasing network security. Optional expansions can be made via NM-Fiber/RJ45 modules to adjust range or network architecture.

Mounting and Installation

The device is housed in a metal housing and can be mounted in a rack. Dimensions are 440 x 195 x 44 mm (without mounting bracket). Mounting is done using pre-installed rack brackets. The operating temperature ranges from -40 °C to +85 °C, enabling use in extreme environments. Humidity can range from 5–95 %, provided no condensation occurs.

Operational Advantages

Combining robust design, comprehensive security, and flexible configuration, the NPort 6610-8-48V provides a reliable solution for connecting serial devices. The integrated buffering function ensures data integrity during network outages, while support for various authentication and encryption methods protects communication. Compatibility with various operating systems and network protocols increases flexibility when integrating into existing infrastructures.

Certifications and Reliability

The device complies with EMC and safety standards EN 55032/35, IEC 61000, UL 60950-1, and NEMA TS2. It is also RoHS, CRoHS, and WEEE compliant. The MTBF (Mean Time Between Failures) is up to 850,000 hours, indicating high reliability.

Scope of Delivery

The device is delivered with a power adapter or power cable (model-dependent), two rack brackets (only for 6600 models), a DB9 to RJ45 cable (only for 6600 models), a quick start guide, and a warranty card. The exact equipment may vary depending on the model.