Moxa
NPort 6650-8-48V-G2

NPort 6650-8-48V-G2

NPort 6600-G2 Series

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

  • 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 UL Listed · CE · FCC · NEMA TS2

Ships from and sold by A5 IT, an authorized Moxa reseller.

Specifications

Memory

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

Ethernet Interface

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)

Ethernet Software Features

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

Security Functions

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

Serial Interface

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)

Serial Signals

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

Power Parameters

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)

Reliability

Automatic Reboot Trigger
Built-in WDT
Alert Tools
Built-in buzzer and RTC (real-time clock)

Physical Characteristics

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 (RK-43-01, included in the box)

Environmental Limits

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)

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 (AC), 0.5 kV (DC); Signal: 0.5 kV IEC 61000-4-5 Surge: Power: 2 kV (AC), 0.5 kV (DC) IEC 61000-4-6 CS: 3 V IEC 61000-4-8 PFMF IEC 61000-4-11: Excluding DC models
Traffic Control
NEMA TS2
Safety
IEC 62368-1, UL 62368-1, EN 62368-1
Vibration
IEC 60068-2-6
Package Drop Test
ISTA 1A

Declaration

Green Product
RoHS, CRoHS, WEEE

MTBF

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 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 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 6650-8-48V-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

Warranty

Warranty Period
5 years
Details
See www.moxa.com/warranty

Documentation

NameTypeVersionDate
Software Package for MXview One Series (Linux version)552.6 MBSoftware Packagev1.7.2May 08, 2026 May 08, 2026 Release notes
Software Package for MXview One Series (Windows version)249.1 MBSoftware Packagev1.7.2May 08, 2026 May 08, 2026 Release notes
Firmware for NPort 6000-G2 Series4.3 MBFirmwarev1.2.0Apr 28, 2026 Apr 28, 2026 Release notes
Moxa CLI Configuration Tool (Windows)2.1 MBUtilityv1.6Feb 02, 2026 Feb 02, 2026 Release notes
Moxa CLI Configuration Tool (Linux)11.3 MBUtilityv1.6Feb 02, 2026 Feb 02, 2026 Release notes
Private MIB for NPort 6000-G2 Series248.3 KBSoftware Packagev1.1.0Jan 28, 2026 Jan 28, 2026 Release notes
Real TTY Linux Kernel 4.x Driver650.0 KBDriverv4.4Jan 22, 2026 Jan 22, 2026 Release notes
Moxa Edge Device Library12.5 MBLibraryv1.0Jan 22, 2026 Jan 22, 2026 Release notes
Real TTY Linux Kernel 5.x Driver650.0 KBDriverv5.6Jan 22, 2026 Jan 22, 2026 Release notes
Real TTY Linux Kernel 6.x Driver2.5 MBDriverv6.2Jan 22, 2026 Jan 22, 2026 Release notes
Moxa Windows Driver Manager (Windows 11 and Server 2022 and later, WHQL certified)11.9 MBDriverv4.5Jan 09, 2026 Jan 09, 2026 Release notes
Moxa Windows Driver Manager (Windows 7 to 10 and Windows Server 2008 R2 to 2019, WHQL certified)12.2 MBDriverv3.8Jan 09, 2026 Jan 09, 2026 Release notes
PComm Lite - Serial Communication Tool5.3 MBUtilityv1.9Dec 12, 2025 Dec 12, 2025 Release notes
Device Search Utility (installer)236.2 MBUtilityv3.1Nov 17, 2025 Nov 17, 2025 Release notes
Device Search Utility (portable)128.6 MBUtilityv3.1Nov 17, 2025 Nov 17, 2025 Release notes
MXview One plugin (Windows)22.6 MBSoftware Packagev1.8Oct 01, 2025 Oct 01, 2025 Release notes
MXview One plugin (Linux)21.7 MBSoftware Packagev1.8Oct 01, 2025 Oct 01, 2025 Release notes
Moxa CLI Configuration Tool (Windows)2.0 MBUtilityv1.5Jul 30, 2025 Jul 30, 2025 Release notes
Serial Device Server Driver for macOS (macOS 11.x to 14)6.3 MBDriverv1.3Sep 02, 2024 Sep 02, 2024 Release notes
Tech Note: Secure Real COM Certificate Deployment For NPort G2 Models654.6 KBTech Notev1.0Aug 27, 2026
Tech Note: RADIUS Login Authentication With FreeRADIUS and Google Authenticator722.0 KBTech Notev1.0Jul 08, 2026
Tech Note: Creating Self-signed Certificate for Trusted HTTPS Connection525.3 KBTech Notev1.0Jul 02, 2026
Moxa CLI Configuration Tool User Manual850.9 KBManualv2.5Feb 12, 2026
The Migration Plan for the NPort 6000 Series7.3 MBTech Notev1.1Feb 04, 2026
Datasheet for NPort 6600-G2 Series934.9 KBDatasheetv1.1Jan 28, 2026
Manual for NPort 6000-G2 Series16.9 MBManualv1.2Jan 22, 2026
Tech Note: The Security Hardening Guide for the NPort 6000-G2 Series1.1 MBTech Notev1.1Jan 22, 2026
IEC 62443-4-2 Security Level 2 Certification for NPort 6000-G2 Series285.8 KBDeclarationv1.0Jan 06, 2026
QIG for NPort 6600-G2 Series1.8 MBQIGv1.0Dec 29, 2025
Declaration of Conformity (EU/UK) for NPort 6600-G2 Series313.4 KBDeclarationv1.0Nov 18, 2025
Device Search Utility v3.x User Manual2.8 MBManualv1.1Nov 17, 2025
FOSS Statement for Moxa PComm Lite Suite for Windows108.5 KBDeclarationv1.0Feb 07, 2025
FOSS Statement for Moxa CLI Configuration Tool114.6 KBDeclarationv1.0Dec 10, 2024
FOSS Statement for NPort macOS driver108.4 KBDeclarationv1.0Oct 29, 2024
FOSS Statement for Device Search Utility161.8 KBDeclarationv1.0Jun 24, 2024
Tech Note: Moxa Real TTY Driver Porting Guide for Arm-based Platforms372.3 KBTech Notev2.0Jun 08, 2023
Tech Note: Real TTY Driver for NPort379.2 KBTech Notev2.0Jun 08, 2023
FOSS Statement for Moxa Windows Driver Manager255.8 KBDeclarationv1.0Aug 01, 2022
FOSS Statement for Moxa Linux Driver1.7 MBDeclarationv1.0May 01, 2022