MOXA MGate MB3170-M-ST-G2-T Introduction
The MOXA MGate MB3170-M-ST-G2-T Industrial Ethernet Gateway is designed to simplify Modbus communication and bridge serial and Ethernet networks with unmatched efficiency. Ideal for industrial automation, power monitoring, and transportation systems, this gateway ensures seamless connectivity between Modbus RTU/ASCII and Modbus TCP protocols. Built to deliver stable performance and easy integration, it enhances data reliability and minimizes downtime in demanding industrial environments. As part of the Industrial Ethernet Gateway category, it provides a reliable backbone for communication between legacy serial devices and modern Ethernet-based control systems. The MOXA MGate MB3170-M-ST-G2-T features dual 10/100BaseT(X) Ethernet ports with one RJ45 connector and one multi-mode ST fiber interface for flexible network deployment. Its single DB9 serial port supports robust serial communication, ensuring compatibility with a wide range of devices. With an extended operating temperature range from -40 to 75°C, the gateway is built for harsh industrial conditions. Compact, rugged, and easy to configure, this device offers exceptional performance, making it a trusted solution for engineers seeking a durable and efficient Modbus networking gateway.
MOXA MGate MB3170-M-ST-G2-T Certifications

MOXA MGate MB3170-M-ST-G2-T Features
- 2 x 10/100BaseT(X) Ports (RJ45 connector)
- Ethernet Interface: 1 x RJ45, 1 x Multi-mode ST Fiber
- 12 to 48 VDC Input Power
- Serial Connector: DB9
- Metal body
- -40 to 75°C operating temperature
You can purchase the MOXA MGate MB3170-M-ST-G2-T Industrial Ethernet Gateway for industrial Automation at a competitive price, and simplify your buying process by placing an order through the website or inquiring at our Middle East branches (UAE (Dubai, Abu Dhabi), KSA (Al Khobar, Riyadh), Kuwait, Qatar, and Oman). Our dedicated team is always ready to assist you.
| industrial gateway : Interface | |
| 10/100Mb RJ45 (Megabit) Ports | Yes: 2 x 10/100BaseT(X) Ports (RJ45 connector) |
| Other ports | - |
| industrial gateway : Ethernet Interface | |
| Number of Ports | 1 Port |
| Magnetic Isolation Protection | 1.5 kV (built-in) |
| Protocols | Modbus TCP Client, Modbus TCP Server, SNTP Client, ARP, DHCP Client, DNS, HTTPS, ICMP, IPv4/IPv6, SMTP, SMTPS, SNMPv1/v2c/v3, SNTP, TCP/IP, UDP, Web Console (HTTP/HTTPS), Device Search Utility (DSU), MCC Tool, Windows Driver Manager Utility, MXview One Software, MXconfig Software |
| industrial gateway : Serial port specifications | |
| Console Port | - |
| RS-232 Signals | TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND |
| RS-422 Signals | Tx+, Tx-, Rx+, Rx-, GND |
| RS-485-4w Signals | Tx+, Tx-, Rx+, Rx-, GND |
| Serial Standards | RS-232/422/485 (software-selectable) |
| Connectors | 1/2/4 x DB9 male |
| RS-485-2w Signals | Data+, Data-, GND |
| Isolation | - |
| industrial gateway : Serial Communication Parameters | |
| Data Bits | 7, 8 |
| Stop Bits | 1, 2 |
| Parity | None, Even, Odd, Space, Mark |
| Flow Control | DTR/DSR, RTS Toggle (RS-232 only), RTS/CTS |
| Baudrate | 50 bps to 921.6 kbps |
| industrial gateway : General | |
| Management | ARP, DHCP Client, DNS, HTTPS, ICMP, IPv4/IPv6, SMTP, SMTPS, SNMPv1/v2c/v3, SNTP, TCP/IP, UDP |
| MTBF | 2,889,487 hrs |
| Industrial Gateway : Memory | |
| microSD Slot | - |
| industrial gateway : Power Requirements | |
| Input Current | 452 mA @ 12 VDC |
| Input Voltage | 12 to 48 VDC |
| Power Connector | 8-pin terminal block |
| industrial gateway : Security | |
| Authentication | Local database |
| Security | SNMPv3, HTTPS (TLS 1.2) |
| Encryption | AES-128, AES-256, ECC-256, ECC-384, ECC-521, HMAC, RSA-1024, RSA-2048, RSA-3072, RSA-4096, SHA-256, SHA-384 |
| industrial gateway : Physical Characteristics | |
| Dimensions | 25 x 89 x 132 mm (0.98 x 3.50 x 5.19 in) |
| Standards and Certifications | EMC, EMI, EMS, Hazardous Locations, Maritime, Safety, Vibration, ISTA 1A |
| Housing | Metal |
| Operating Temperature | -40 to 75°C (-40 to 167°F) |
| Weight | 338 g (0.75 lb) |
| Storage Temperature | -40 to 85°C (-40 to 185°F) |
| Ambient Relative Humidity | 5 to 95% (non-condensing) |
| Installation | Din Rail Mounting Kit |
