Moxa
CN2650I-8-2AC

CN2650I-8-2AC

CN2600 Series

8 and 16-port RS-232/422/485 terminal servers with dual-LAN redundancy

  • LCD panel for easy IP address configuration (excluding wide-temperature range models)
  • Dual-LAN cards with two independent MAC addresses and IP addresses
  • Redundant COM function available when both LANs are active
  • Dual-host redundancy can be used to add a backup PC to your system
  • Dual-AC-power inputs (for AC models only)
  • Real COM and TTY drivers for Windows, Linux, and macOS
  • Universal high-voltage range: 100 to 240 VAC or 88 to 300 VDC

Certifications CE · FCC

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

Specifications

Ethernet Interface

10/100BaseT(X) Ports (RJ45 connector)
2
Magnetic Isolation Protection
1.5 kV (built-in)

Ethernet Software Features

Configuration Options
Serial Console Telnet Console Windows Utility Device Search Utility (DSU) Web Console (HTTP/HTTPS)
Management
ARP BOOTP DDNS DHCP Client DNS HTTP IPv4 SMTP SNMPv1/v2c/v3 TCP/IP Telnet UDP ICMP SLIP
MIB
MIB-II
Security
HTTPS/SSL RADIUS SSH PAP CHAP
Unicast Routing
RIPV1/V2 Static Route
Windows Real COM Drivers
Windows 11, 10, 8.1, 8, 7, Vista, XP, ME, 98 and 95 Windows Server 2022, 2019, 2016, 2012 R2, 2012, 2008 R2, 2008, 2003, 2000 and NT Windows Embedded CE 5.0 and 6.0, Windows XP Embedded
Linux Real TTY Drivers
Kernel versions: 6.x, 5.x, 4.x, 3.x, 2.6.x and 2.4.x
Fixed TTY Drivers
macOS versions: 14, 13, 12, 11 and 10.1x SCO UNIX, SCO OpenServer, UnixWare 7, QNX 4.25, QNX 6, Solaris 10, FreeBSD, AIX 5.x, HP-UX 11i, Mac OS X
Virtual Machine
VMWare ESXi (Windows 11 / 10) VMware Fusion (Windows on macOS 14, 13, 12, 11 and 10.1x) Parallels Desktop (Windows on macOS 14, 13, 12, 11 and 10.1x)
Arm®-based Platform Support
Windows 11 Linux Kernel 6.x, 5.x and 4.x macOS 14, 13, 12 and 11
Android API
Android 3.1.x and later

Security Functions

Authentication
Local database (password only) RADIUS
Encryption
HTTPS AES-128 AES-256 HMAC RSA-1024 SHA-1
Security Protocols
SNMPv3 SSHv2

Serial Interface

Connector
DB9 male
No. of Ports
8
Serial Standards
RS-232 RS-422 RS-485
Operation Modes
Real COM mode TCP Server mode TCP Client mode UDP mode RFC2217 mode Terminal mode Reverse Telnet mode PPP mode DRDAS mode Redundant COM mode Disabled
Baudrate
50 bps to 921.6 kbps
Data Bits
5, 6, 7, 8
Stop Bits
1, 1.5, 2
Parity
None Even Odd Space Mark
Flow Control
None RTS/CTS DTR/DSR XON/XOFF
Isolation
2 kV
RS-485 Data Direction Control
Automatic Data Direction Control (ADDC)
Pull High/Low Resistor for RS-485
1 kilo-ohm, 150 kilo-ohms
Terminator for RS-485
120 ohms
Console Port
RS-232 (TxD, RxD, GND), 8-pin RJ45 (19200, n, 8, 1)

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

Power Parameters

No. of Power Inputs
2
Input Current
130 mA @ 110 VAC
Input Voltage
100 to 240 VAC (50/60 Hz)

Reliability

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

Physical Characteristics

Housing
Metal
Installation
19-inch rack mounting
Dimensions (with ears)
480 x 198 x 45.5 mm (18.9 x 7.80 x 1.77 in)
Dimensions (without ears)
440 x 198 x 45.5 mm (17.32 x 7.80 x 1.77 in)
Weight
4,284 g (9.44 lb)

Environmental Limits

Operating Temperature
0 to 55°C (32 to 131°F)
Storage Temperature (package included)
0 to 55°C (32 to 131°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: 8 kV; Air: 15 kV IEC 61000-4-3 RS: 80 MHz to 1 GHz: 10 V/m IEC 61000-4-4 EFT: Power: 4 kV; Signal: 2 kV IEC 61000-4-5 Surge: Power: 2.5 kV; Signal: 1 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 62368-1
Vibration
IEC 60068-2-6
Freefall
IEC 60068-2-32

Declaration

Green Product
RoHS, CRoHS, WEEE

MTBF

Time
370,752 hrs
Standards
Telcordia (Bellcore) Standard TR/SR

Warranty

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

Documentation

NameTypeVersionDate
Real TTY Linux Kernel 6.x Driver2.5 MBDriverv6.2Jan 22, 2026 Jan 22, 2026 Release notes
Real TTY Linux Kernel 5.x Driver650.0 KBDriverv5.6Jan 22, 2026 Jan 22, 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
Moxa Windows Driver Manager (Windows 11 and Server 2022 and later, WHQL certified)11.9 MBDriverv4.5Jan 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 (portable)128.6 MBUtilityv3.1Nov 17, 2025 Nov 17, 2025 Release notes
Device Search Utility (installer)236.2 MBUtilityv3.1Nov 17, 2025 Nov 17, 2025 Release notes
Real TTY Linux Kernel 6.x Driver121.7 KBDriverv6.1Sep 05, 2024 Sep 05, 2024 Release notes
Serial Device Server Driver for macOS (macOS 11.x to 14)6.3 MBDriverv1.3Sep 02, 2024 Sep 02, 2024 Release notes
Real TTY Linux Kernel 4.x Driver123.3 KBDriverv4.3Aug 07, 2024 Aug 07, 2024 Release notes
Real TTY drivers for Linux 3.x.x94.6 KBDriverv3.0Jul 04, 2024 Jul 04, 2024 Release notes
Firmware for CN2600 Series2.6 MBFirmwarev4.6Feb 29, 2024 Feb 29, 2024 Release notes
Private MIB file for CN2600 Series131.2 KBSoftware Packagev4.6Feb 29, 2024 Feb 29, 2024 Release notes
Device Server Android API18.0 MBLibraryv1.1Dec 22, 2022 Dec 22, 2022 Release notes
Serial Device Server Driver for macOS (macOS 10.12 to 10.15)492.2 KBDriverv1.0Jul 08, 2020 Jul 08, 2020 Release notes
Real TTY drivers for Linux 2.x.x92.2 KBDriverv2.0Oct 24, 2019 Oct 24, 2019 Release notes
NPort Windows Driver MaWindows Driver Manager (Windows Vista, Server 2008, and prior)nager2.6 MBDriverv2.0Aug 01, 2019 Aug 01, 2019 Release notes
Driver for CN2600 Series (WinCE 5)230.5 KBDriverv1.6Nov 14, 2012 Nov 14, 2012 Release notes
Driver for CN2600 Series (WinXP Embedded)1.2 MBDriverv1.14Apr 04, 2012 Apr 04, 2012 Release notes
Driver for CN2600 Series (UNIX)73.0 KBDriverv3.5Mar 19, 2012 Mar 19, 2012 Release notes
Private MIB file for CN2600 Series134.8 KBSoftware Packagev4.2Mar 27, 2011 Mar 27, 2011 Release notes
Firmware for CN2600 Series (CN2610)398.3 KBFirmwarev3.1Dec 20, 2009 Dec 20, 2009 Release notes
Library for CN2600 Series (SSDK)31.0 KBLibraryv1.2Dec 17, 2008 Dec 17, 2008 Release notes
Utility for CN2600 Series (NPort Monitor)626.0 KBUtilityv1.1Jul 08, 2008 Jul 08, 2008 Release notes
Product Discontinuance Notification for NPort 6000/CN-2500/CN-2600 Series802.8 KBNotificationv1.0Jun 30, 2026
Device Search Utility v3.x User Manual2.8 MBManualv1.1Nov 17, 2025
Datasheet for CN2600 Series2.5 MBDatasheetv2.0Jun 30, 2025
Tech Note: The Security Hardening Guide for CN2600 Series753.3 KBTech Notev1.0Jul 02, 2024
Manual for CN2600 Series11.5 MBManualv13.6Apr 26, 2024
Declaration of Conformity (EU/UK) for CN2510/2600 Series310.2 KBDeclarationv1.0Jan 11, 2024
Declaration of Conformity (EU/UK) for MGate MB3660I/CN2650I Series308.2 KBDeclarationv1.0Nov 13, 2023
Tech Note: Real COM mode for NPort479.5 KBTech Notev2.0Jun 08, 2023
FOSS Statement for CN2600 Series276.8 KBDeclarationv1.0Dec 30, 2022
FOSS Statement for Moxa Windows Driver Manager255.8 KBDeclarationv1.0Aug 01, 2022
2D CAD for CN2600 Series (CN2650I-16-HV-T)330.5 KB2D CADOct 28, 2021
2D CAD for CN2600 Series (CN2650I-8-HV-T)281.6 KB2D CADOct 27, 2021
Tech Note: Moxa Real TTY Driver Porting Guide for Arm-based Platforms372.3 KBTech Notev1.0Aug 05, 2021
QIG for CN2600 Series323.9 KBQIGv6.4Jun 08, 2021
Tech Note: Real COM mode for NPort423.5 KBTech Notev1.1Apr 30, 2020
2D CAD for CN2600 Series (CN2650-16)297.0 KB2D CADJul 24, 2019
2D CAD for CN2600 Series (CN2610-16-2AC)300.2 KB2D CADJul 24, 2019
2D CAD for CN2600 Series (CN2650-16-2AC)300.2 KB2D CADJul 24, 2019
2D CAD for CN2600 Series (CN2650-8)251.0 KB2D CADJul 24, 2019
2D CAD for CN2600 Series (CN2610-8-2AC)262.6 KB2D CADJul 23, 2019
Tech Note: Using CN2610 for Serial Port Broadcasting372.9 KBTech Notev1.0Jan 14, 2009
Tech Note: CN2610 in Reverse Terminal Application284.5 KBTech Notev1.0Jan 14, 2009