MOXA NPort 6650-16-G2-T Introduction
The Moxa NPort 6650-16-G2-T Serial to Ethernet Device Server is designed for industrial environments that require dependable serial-to-network communication and long-term operational stability. It helps organizations modernize existing infrastructure by integrating legacy serial devices into Ethernet-based systems without costly equipment replacement. Suitable for factory automation, transportation, utilities, and industrial monitoring applications, this device simplifies network expansion while preserving valuable serial assets.
The model identified by part number NPort 6650-16-G2-T provides 16 serial ports with support for RS-232, RS-422, and RS-485 communication standards, enabling broad compatibility across industrial devices. It also includes 2 Gigabit Ethernet ports with scalability up to 4 x 10/100/1000BaseT(X) RJ45 interfaces for high-speed and flexible connectivity. A rugged metal housing increases durability in harsh environments, while the integrated microSD slot supports cards up to 2 TB at 25 Mbps for enhanced storage capabilities. Built for extreme conditions, it supports a wide -40 to 75°C operating range for reliable performance. As part of the Terminal Servers category, it delivers secure and scalable serial networking capabilities.
MOXA NPort 6650-16-G2-T Certifications

MOXA NPort 6650-16-G2-T Features
- Ethernet Ports: 2 x 10/100/1000M RJ45
- Serial Standards: RS-232/422/485
- SD Slot: microSD card Up to 2 TB (high speed, 25 Mbps)
- Metal body
- -40 to 75°C operating temperature
Explore our comprehensive selection of industrial products available for sale and inquire about the specific MOXA NPort 6650-16-G2-T Serial to Ethernet Device Server for factory automation with cost-effective prices in our Middle East branches (UAE (Dubai, Abu Dhabi), KSA (Al Khobar, Riyadh), Kuwait, Qatar, and Oman). Our dedicated team is ready to assist you with any inquiries and ensure a smooth buying process.
| serial-to-ethernet : Interface | |
| 10/100Mb RJ45 (Megabit) Ports | Yes: 2 ports (up to 4) |
| Digital Output Channels | - |
| Alarm Contact Channels | - |
| Magnetic Isolation Protection | 1.5 kV (built-in) |
| Protocols | TLS, SSH |
| serial-to-ethernet : Serial port specifications | |
| Flow Control | None, RTS/CTS, DTR/DSR, RTS Toggle, XON/XOFF |
| serial-to-ethernet : Communication details | |
| Wireless Standards | - |
| Maximum data transfer speed | - |
| Maximum direct range | - |
| serial-to-ethernet : Serial Interface | |
| Number of Ports | 16 Ports |
| Serial Standards | RS-232/422/485 |
| Connector | 8-pin RJ45 |
| Console Port | - |
| serial-to-ethernet : General | |
| Management | ARP, DHCP Client, DNS, HTTPS, ICMP, IPv4/IPv6, SMTP, SMTPS, SNMPv1/v2c/v3, SNTP, TCP/IP, UDP, WINS |
| MTBF | 1,314,137 hrs |
| Compatible operating systems | - |
| Fixed TTY Drivers | macOS versions: 14, 13, 12, and 11 |
| Linux Real TTY Drivers | Kernel versions 6.x, 5.x, and 4.x |
| Automatic Reboot Trigger | Built-in WDT |
| serial-to-ethernet : Serial Communication Parameters | |
| Data Bits | 5, 6, 7, 8 |
| Stop Bits | 1, 1.5, 2 |
| Parity | None, Even, Odd, Space, Mark |
| Baudrate | 50 bps to 921.6 kbps (supports non-standard baudrates) |
| Isolation | - |
| serial-to-ethernet : Power Requirements | |
| Connection | - |
| Input Voltage | AC models: 100 to 240 VAC, DC models: ±48 VDC (20 to 72 VDC, -20 to -72 VDC) |
| Input Current | 320 mA (max.) |
| serial-to-ethernet : Security | |
| Security | HTTPS (TLS 1.2/1.3), SNMPv3, SSHv2 |
| Encryption | HTTPS: ECC-256, ECC-384, ECC-521, RSA-1024, RSA-2048, RSA-3072, RSA-4096, AES-128, AES-256, CHACHA20, SHA-256, SHA-384, HMAC, SSH: ECC-256, ECC-384, ECC-521, RSA-2048, AES-128, AES-256, SHA-256, SHA-384, HMAC SNMPv3: AES-128, SHA-256, SHA-384, Secure OP mode: HTTPS: ECC-256, ECC-384, ECC-521, RSA-1024, RSA-2048, RSA3072, RSA-4096, AES-128, AES-256, CHACHA20, SHA-256, SHA-384, HMAC, Config import/export: AES-256, SHA-256, HMAC |
| Authentication | Local database, RADIUS, TACACS+ |
| serial-to-ethernet : Serial Signals | |
| RS-232 | TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND |
| RS-422 | Tx+, Tx-, Rx+, Rx-, GND |
| RS-485-4w | Tx+, Tx-, Rx+, Rx-, GND |
| RS-485-2w | Data+, Data-, GND |
| serial-to-ethernet : Features and capabilities | |
| Display | - |
| serial-to-ethernet : Physical Characteristics | |
| Installation | Desktop, Rack mounting (RK-43-01, included in the box) |
| Standards and Certifications | EMC, EMI, EMS, NEMA TS2, IEC 62368-1, UL 62368-1, EN 62368-1, IEC 60068-2-6, ISTA 1A, RoHS, CRoHS, WEEE, Telcordia Standard SR-332, Telcordia SR-332 Issue 4 |
| Housing | Metal |
| Operation Humidity | 5 to 95% (non-condensing) |
