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NPort 6600-G2 Series

2nd Gen 8/16/32-port RS-232/422/485 secure terminal servers

moxa-nport-6600-g2-series-image-(1).jpg | Moxa
moxa-nport-6600-g2-series-image-1-(1).jpg | Moxa
moxa-nport-6600-g2-series-image-2-(1).jpg | Moxa
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moxa-nport-6600-g2-series-image-5-(1).jpg | Moxa
moxa-nport-6600-g2-series-image-6-(1).jpg | Moxa

Features and Benefits

  • Data encryption with secure operation modes for Real COM, TCP Server, TCP Client, Pair Connection, Terminal, and Reverse Terminal
  • Secure Boot only allows Moxa-authorized firmware to run on devices
  • One-click log collection and application analysis for easy troubleshooting
  • Easy RS-485 configuration of serial interfaces with software-adjustable pull high/low resistor and terminator
  • Supports SSL certificate signing by RSA-4096 / ECC-521
  • IEC 62443-4-2 Security Level 2 certified

Certifications

  • moxa-ul-listed-certification-logo-image.png | Moxa
  • moxa-fcc-certification-logo-image.png | Moxa
  • moxa-nema-ts2-certification-logo-image.png | Moxa
  • moxa-ce-certification-logo-image.png | Moxa
Preliminary
 
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Introduction

Moxa has leveraged the IEC 62443-4-1 secure development life-cycle process to develop a new generation of NPort G2 secure terminal servers. In addition, the NPort 6600-G2 Series secure terminal servers are also IEC 62443-4-2 Security Level 2 certified, enabling secure connections for your legacy serial devices to industrial networks. User experience is enhanced based on Moxa’s 35 years of experience in the serial-connectivity field by providing versatile installation means for different space requirements and an easy-to-use troubleshooting tool for maintenance.

Secure Data Transmission

For many applications, guaranteeing secure data transmission is an important concern when connecting serial devices to a network. To answer this concern, the NPort® 6600-G2 secure terminal servers support the TLS and SSH protocols, which work by encrypting data before sending it over the network. With the NPort® 6600-G2, you can be rest assured that serial data is transmitted securely over both private and public networks.

One-click Logs and Application Analysis for Easy Troubleshooting

During the deployment stage, system integrators must connect devices and ensure the communication is smooth. They may encounter issues and will require tools to troubleshoot issues. Moxa provides a application analyzer that generates a report at the click of a button to help the system integrator easily identify potential issues and understand how to resolve them.

At the maintenance stage, system errors may require you to call for help. Device vendors might take a long time to troubleshoot issues because they need to collect information and then hold discussions with the technical support team. The NPort 6600-G2 comes with a one-click log collection function, which can provide all the data that a technical support team needs to quickly troubleshoot system issues.

  • SD Slot

    microSD card
    Up to 2 TB (high speed, 25 Mbps)

  • 10/100/1000BaseT(X) Ports (RJ45 connector)

    2 ports (up to 4), Auto MDI/MDI-X connection

  • Magnetic Isolation Protection

    1.5 kV (built-in)

  • Configuration Options

    Web Console (HTTP/HTTPS), Windows Utility, Device Search Utility (DSU), MCC Tool, Serial Console

  • Management

    ARP, DHCP Client, DNS, HTTPS, ICMP, IPv4/IPv6, SMTP, SMTPS, SNMPv1/v2c/v3, SNTP, TCP/IP, UDP, WINS

  • Windows Real COM Drivers

    Windows 11, 10, 8.1, 8, and 7
    Windows Server 2022, 2019, 2016, 2012 R2, 2012, and 2008 R2

  • Linux Real TTY Drivers

    Kernel versions 6.x, 5.x, and 4.x

  • Fixed TTY Drivers

    macOS versions: 14, 13, 12, and 11

  • Arm®-based Platform Support

    Windows 11
    Linux kernel 6.x, 5.x, and 4.x
    macOS 14, 13, 12, and 11

  • Virtual Machine

    VMWare ESXi (Windows 11/10/8.1/8/7 & Linux 6.x, 5.x, and 4.x)
    VMware Fusion (Windows on macOS 14, 13, 12, and 11)
    Parallels Desktop (Windows on macOS 14, 13, 12, and 11)

  • Time Management

    SNTP Client

  • MIB

    MIB-II, RFC1213, RFC1317, Private MIB

  • Unicast Routing

    RIPV1/V2, Static Route

  • Root of Trust

    Secure Boot, True Random Number Generator (TRNG), Security Screws

  • Authentication

    Local database, RADIUS, TACACS+

  • Security Protocols

    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, RSA-3072, RSA-4096, AES-128, AES-256, CHACHA20, SHA-256, SHA-384, HMAC

    Config import/export: AES-256, SHA-256, HMAC

  • No. of Ports

    NPort 6610/6650-8-G2 models: 8
    NPort 6610/6650-16-G2 models: 16
    NPort 6610/6650-32-G2 models: 32

  • Connector

    8-pin RJ45

  • Serial Standards

    NPort 6610-G2 models: RS-232
    NPort 6650-G2 models: RS-232, RS-422, RS-485

  • Secure Operation Modes

    Reverse SSH, Secure Pair Connection, Secure Real COM, Secure TCP Client, Secure TCP Server, SSH, Secure Redundant COM, Secure Reverse Real COM

  • Standard Operation Modes

    Disabled, Pair Connection, SLIP, PPP, Real COM, Reverse Terminal, RFC2217, TCP Client, TCP Server, Terminal, UDP, Redundant COM, Reverse Real COM

  • Baudrate

    50 bps to 921.6 kbps (supports non-standard baudrates)

  • Data Bits

    5, 6, 7, 8

  • Stop Bits

    1, 1.5, 2

  • Flow Control

    None, RTS/CTS, DTR/DSR, RTS Toggle, XON/XOFF

  • Parity

    None, Even, Odd, Space, Mark

  • RS-485 Data Direction Control

    Automatic Data Direction Control (ADDC)

  • Terminator for RS-485

    120 ohms, (software–configurable)

  • Pull High/Low Resistor for RS-485

    1 kilo-ohm, 150 kilo-ohms, (software–configurable)

  • RS-232

    TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND

  • RS-422

    Tx+, Tx-, Rx+, Rx-, GND

  • RS-485-2w

    Data+, Data-, GND

  • RS-485-4w

    Tx+, Tx-, Rx+, Rx-, GND

  • Input Current

    NPort 6610-G2/6650-G2 models: 320 mA (max.)
    NPort 6650I-G2 models: 330 mA (max.)
    NPort 6650-48V-G2 models: 340 mA (max.)

  • Input Voltage

    AC models: 100 to 240 VAC, 50 to 60 Hz
    DC models: ±48 VDC (20 to 72 VDC, -20 to -72 VDC)

  • Automatic Reboot Trigger

    Built-in WDT

  • Alert Tools

    Built-in buzzer and RTC (real-time clock)

  • Housing

    Metal

  • Dimensions (with ears)

    440 x 200 x 43.65 mm (17.32 x 7.87 x 1.72 in)

  • Weight

    NPort 6610/6650-32-2AC-G2: 2.80 kg (6.17 lb)
    NPort 6650I-16-2AC-G2: 2.80 kg (6.17 lb)
    NPort 6610/6650-32-48V-G2: 2.62 kg (5.78 lb)

  • Installation

    Desktop, Rack mounting

  • Operating Temperature

    Standard models: -10 to 60°C (14 to 140°F)
    Wide temp. models: -40 to 75°C (-40 to 167°F)

  • Storage Temperature (package included)

    -40 to 75°C (-40 to 167°F)

  • Ambient Relative Humidity

    5 to 95% (non-condensing)

  • 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(AC), 0.5 kV(DC); Signal: 0.5 kV, IEC 61000-4-5 Surge: Power: 1 kV(AC), 0.5 kV(DC); Signal: 0.5 kV, IEC 61000-4-6 CS: 3 V, IEC 61000-4-8 PFMF, IEC 61000-4-11

  • Traffic Control

    NEMA TS2

  • Safety

    IEC 62368-1, UL 62368-1, EN 62368-1

  • Vibration

    IEC 60068-2-6

  • Package Drop Test

    ISTA 1A

  • Green Product

    RoHS, CRoHS, WEEE

  • Time

    NPort 6610-8-G2: 29,613 hrs
    NPort 6610-16-G2: 29,517 hrs
    NPort 6610-32-G2: 29,045 hrs
    NPort 6650-8-G2: 29,515 hrs
    NPort 6650-16-G2: 29,321 hrs
    NPort 6650-32-G2: 29,045 hrs
    NPort 6650-8-G2-T: 1,860,004 hrs
    NPort 6650-16-G2-T: 1,314,137 hrs
    NPort 6650-32-G2-T: 921,748 hrs
    NPort 6610-8-2AC-G2: 29,612 hrs
    NPort 6610-16-2AC-G2: 29,515 hrs
    NPort 6610-32-2AC-G2: 29,429 hrs
    NPort 6650-8-2AC-G2: 29,514 hrs
    NPort 6650-16-2AC-G2: 29,321 hrs
    NPort 6650-32-2AC-G2: 29,045 hrs
    NPort 6650I-8-G2: 29,446 hrs
    NPort 6650I-16-G2: 29,185 hrs
    NPort 6650I-8-G2-T: 1,620,368 hrs
    NPort 6650I-16-G2-T: 1,086,881 hrs
    NPort 6650I-8-2AC-G2: 29,445 hrs
    NPort 6650I-16-2AC-G2: 29,184 hrs
    NPort 6650I-8-2AC-G2-T: 1,618,109 hrs
    NPort 6650I-16-2AC-G2-T: 1,085,864 hrs
    NPort 6650-8-2AC-G2-T: 1,857,027 hrs
    NPort 6650-16-2AC-G2-T: 1,312,651 hrs
    NPort 6650-32-2AC-G2-T: 921,017 hrs
    NPort 6650-8-48V-G2: 29,514 hrs
    NPort 6650-16-48V-G2: 29,321 hrs
    NPort 6650-32-48V-G2: 29,045 hrs

  • Standards

    Telcordia Standard SR-332, Telcordia SR-332 Issue 4

Support Documents

Name Type Version Release Date
Datasheet for NPort 6600-G2 Series
354.8 KB
Datasheet v1.0 Jan 05, 2026 Jan 05, 2026

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