MOXA NPort 6650-16 Serial to Ethernet Device Server
- Model: NPort 6650-16
MOXA NPort 6650-16 INTRODUCTION
The Moxa NPort 6650-16 serial-to-Ethernet terminal server is
a high-density device designed to bring large numbers of legacy serial devices
onto IP networks with efficiency and stability. The design and build of this
device is a strong fit within modern industrial edge connectivity
architectures. Positioned within the serial device servers category and part of
the Moxa NPort 6400/6600 Series, the NPort 6650-16 is well-suited for factory
automation, railway transportation, and road transportation systems where
centralized monitoring and control of multiple serial devices are essential. It
provides 16 serial ports supporting RS-232/422/485 standards, each using an
8-pin RJ45 serial interface, enabling clean, space-efficient wiring in control
cabinets. With a 0 to 55°C operating temperature range and a wide 100–240 VAC
input voltage, this terminal server is built for continuous, reliable operation
in demanding industrial environments. For engineers looking to streamline
serial connectivity at scale without sacrificing reliability or flexibility,
the Moxa NPort 6650-16 represents a well-considered long-term solution.
Additional technical details and deployment information are available in the
Moxa NPort 6650-16 datasheet.
As an Authorized Distributor of MOXA, Manufacturers Automation Inc. (ManuAuto) offers a wide variety of Industrial Automation and Communication products across North America, including Canada (Ontario, Toronto) and the US. Buy MOXA NPort 6650-16 Serial to Ethernet Device Server online at a competitive price, with on-time delivery and fast shipping services. Our certified engineers are always available to support you.
You can also find the NPort 6650-8-T, NPort 6650-32-HV-T, NPort 6650-16-48V, and NPort 6610-32 models in the MOXA NPort 6400/6600 Series.
MOXA NPort 6650-16 CERTIFICATIONS
The Moxa NPort 6650-16 device server is designed to meet
rigorous industrial compliance requirements, ensuring dependable operation in
regulated and mission-critical environments. It complies with EMC, EMS, EMI,
and safety standards, helping protect connected systems from electrical
interference and ensuring network stability. In addition, compliance with NEMA
TS2 traffic requirements, along with proven resistance to vibration and
freefall, makes the device especially suitable for transportation-related applications
where physical stress and environmental variability are common. These
certifications reinforce the NPort 6650-16 as a robust and trustworthy terminal server for industrial and transportation networks.

| Serial-to-Ethernet : Interface | |
| 10/100Mb RJ45 (Megabit) Ports | Yes : 1 Port |
| 100BaseFX Ports | No |
| Digital Input Channels | No |
| Digital Output Channels | No |
| Magnetic Isolation Protection | 1.5 kV (built-in) |
| Alarm Contact Channels | Yes : Resistive load: 1 A @ 24 VDC |
| Protocols | TLS and SSH |
| Serial-to-Ethernet : Serial Interface | |
| Number of Ports | 16 Ports |
| Serial Standards | RS-232, RS-422, RS-485 |
| Connector | 8-pin RJ45 |
| Console Port | Yes : RS-232 (TxD, RxD, GND), 8-pin RJ45 (19200, n, 8, 1) |
| Serial-to-Ethernet : Serial Communication Parameters | |
| Data Bits | 5, 6, 7, 8 |
| Stop Bits | 1, 1.5, 2 |
| Parity | Even, Odd, Space, Mark, None |
| Flow Control | RTS/CTS, DTR/DSR, XON/XOFF |
| Baudrate | 50 bps to 921.6 kbps (supports non-standard baudrates) |
| Isolation | No |
| 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 : Communication details | |
| Wireless Standards | No |
| Maximum data transfer speed | No |
| Maximum direct range | No |
| Serial-to-Ethernet : Power Requirements | |
| Connection | - |
| Input Voltage | 100 to 240 VAC |
| Input Current | 192 mA @ 100 VAC |
| Serial-to-Ethernet : General | |
| Management | ARP, BOOTP, DHCP Client, DNS, HTTP, IPv4/IPv6, SMTP, SNMPv1/v2c/v3, TCP/IP, Telnet, UDP, PPPOE, ICMP |
| MTBF | 439,673 hrs |
| Compatible operating systems | Windows 11/10/8.1/8/7/Vista/XP/ME/98/95, Windows Server 2022/2019/2016/2012 R2/2012/2008 R2/2008/2003, Windows Embedded CE 6.0/5.0, Windows XP Embedded |
| Fixed TTY Drivers | SCO UNIX, SCO OpenServer, UnixWare 7, QNX 4.25, QNX 6.x, Solaris 10, FreeBSD, AIX 5.x, HP-UX 11i, Mac OS X |
| Linux Real TTY Drivers | Kernel version: 2.4.x, 2.6.x, 3.x, 4.x |
| Automatic Reboot Trigger | Built-in WDT |
| Serial-to-Ethernet : Security | |
| Authentication | Local database, RADIUS, TACACS+ |
| Security | Protocols: HTTPS (TLS 1.2), SNMPv3, SSHv2 |
| Encryption | HTTPS, AES-128, AES-256, HMAC, RSA-1024, SHA-1, SHA-256, SHA-384 |
| Serial-to-Ethernet : Features and capabilities | |
| Display | Yes |
| Serial-to-Ethernet : Physical Characteristics | |
| Dimensions | with ears: 480 x 195 x 44 mm (18.9 x 7.68 x 1.73 in), without ears: 440 x 195 x 44 mm (17.32 x 7.68 x 1.73 in) |
| Standards and Certifications | EMC: EN 55032/35; EMI: CISPR 32, FCC Part 15B Class A; EMS: IEC 61000-4-2 ESD: Contact: 4 kV; Air: 8 kV, IEC 61000-4-3 RS: 80 MHz to 1 GHz: 3 V/m, IEC 61000-4-4 EFT: Power 1 kV; Signal 0.5 kV, IEC 61000-4-5 Surge: Power: 2 kV, IEC 61000-4-6 CS: 150 kHz to 80 MHz: 3 V/m; Signal: 3 V/m, IEC 61000-4-8 PFMF, IEC 61000-4-11; Safety: UL 60950-1; Traffic Control: NEMA TS2; Vibration: IEC 60068-2-6; Freefall: IEC 60068-2-34; Green Product: RoHS, CRoHS, WEEE; Telcordia (Bellcore) Standard |
| Installation | Rack mounting (with optional kit) |
| Housing | Metal |
| Operating Temperature | 0 to 55°C (32 to 131°F) |
| Storage Temperature | -40 to 75°C (-40 to 167°F) |
| Operation Humidity | 5 to 95% (non-condensing) |
| Weight | 3,580 g (7.89 lb) |