Moxa
TN-4908-8GTX-WV-CT-T

TN-4908-8GTX-WV-CT-T

TN-4900 Series

EN 50155 Gigabit security routers

  • 8 Gigabit ports and up to 12 PoE ports
  • IEC 61375 ETBN functionality (ETBN models)
  • Dual bypass relay
  • Supports regular and inner push-pull M12 connectors
  • Isolated power input range from 24 to 110 VDC
  • Complies with all EN 50155 mandatory test items
  • IEC 62443-4-2 Security Level 2 certified
  • -40 to 70°C operating temperature range

Certifications En50155 · En50121 4 · CE · FCC

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

Specifications

Ethernet Interface

10/100/1000BaseT(X) Ports (M12 X-coded 8-pin female connector)
8
Standards
IEEE 802.1Q for VLAN Tagging IEEE 802.1w for Rapid Spanning Tree Protocol IEEE 802.3af/at for PoE/PoE+ output IEEE 802.3ab for 1000BaseT(X) IEEE 802.1X for authentication IEEE 802.1D-2004 for Spanning Tree Protocol IEEE 802.3x for flow control IEEE 802.3u for 100BaseT(X) IEEE 802.1p for Class of Service IEEE 802.3 for 10BaseT

Ethernet Software Features

Configuration Options
Command Line Interface (CLI) through Serial/Telnet/SSH Web Console (HTTP/HTTPS) Windows Utility
Filter
IGMP v1/v2 Static Multicast 802.1Q
Management
Back Pressure Flow Control SNMP Inform LLDP Syslog HTTP HTTPS Flow control SMTP QoS/CoS/ToS Port Mirroring SNMP Trap SNMPv1/v2c/v3 IPv4 Telnet DHCP Server SFTP SCP TFTP RARP Account Management DHCP Client (Option 1/3/12/50/51/53/54/55/57/61/66/67/124/255) DHCP Server (Option 1/3/6/12/15/28/42/50/55) DHCP Relay Agent
Redundancy Protocols
RSTP Static Port Trunk Turbo Ring v2 STP
Routing Redundancy
VRRP
Security
Secure Boot IPsec L2TP (server) RADIUS Trust access control
Time Management
SNTP NTP Server/Client
Unicast Routing
RIPV1/V2 OSPF Static Route
Railway
TRDP
Multicast Routing
Static Route
Routing Throughput
450,000 FPS (pure routing)

DoS and DDoS Protection

Technology
NMAP-ID Scan ARP-Flood SYN/FIN Scan Null Scan ICMP-Death FIN Scan SYN-Flood TCP Sessions Without SYN Xmas Scan NMAP-Xmas Scan SYN/RST Scan

Firewall

Filter
ICMP MAC address Ethernet protocols Ports IP address DDoS
Quick Automation Profiles
DNP DPI EtherCAT EtherNet/IP FOUNDATION Fieldbus FTP HTTP IEC 60870-104 IPsec L2TP LonWorks Modbus TCP PPTP PROFINET RADIUS SSH Telnet VPN
Stateful Inspection
Router firewall Transparent (bridge) firewall
Throughput
Max. 350,000 packets per second

IPsec VPN

Authentication
MD5 and SHA (SHA-256) RSA (key size: 1024-bit, 2048-bit) X.509 v3 certificate
Encryption
3DES DES AES-128 AES-192 AES-256
Concurrent VPN Tunnels
Max. 250 IPsec VPN tunnels

Switch Properties

IGMP Groups
1024
MAC Table Size
16 K
Max. No. of VLANs
32
VLAN ID Range
VID 1 to 4094

LED Interface

LED Indicators
STATE, PWR1, PWR2, FAULT, 10/100/1000M, PoE

NAT

Features
1-to-1 Port forwarding N-to-1

Serial Interface

Console Port
RS-232 (M12 B-coded 5-pin female connector)

USB Interface

M12 Connector
M12 A-coded 5-pin female (for ABC-02 USB storage)

Power Parameters

Input Current
0.7 A @ 24 V
Input Voltage
24/36/48/72/96/110 VDC Redundant dual inputs No. of power inputs: 2
Operating Voltage
16.8 to 137.5 VDC
Power Connector
M12 K-coded 5-pin male connector
Power Consumption (Max.)
16.4 W (max.)
Overload Current Protection
Supported
Reverse Polarity Protection
Supported

Physical Characteristics

Housing
Metal
Dimensions
160 x 115 x 70 mm (6.30 x 4.53 x 2.76 in)
IP Rating
IP40
Weight
1120 g (2.47 lb)
Installation
Wall mounting
Protection
PCB conformal coating

Environmental Limits

Operating Temperature
-40 to 70°C (-40 to 158°F)
Storage Temperature (package included)
-40 to 85°C (-40 to 185°F)
Ambient Relative Humidity
5 to 95% (non-condensing)
Altitude
3,000 m

Standards and Certifications

EMC
EN 55032, EN 55035
EMI
CISPR 32, FCC Part 15B Class A
EMS
IEC 61000-4-2 ESD: Contact: 6 kV; Air: 8 kV IEC 61000-4-3 RS: 80 MHz to 1 GHz: 20 V/m IEC 61000-4-4 EFT: Power: 2 kV; Signal: 2 kV IEC 61000-4-5 Surge: Power: 2 kV; Signal: 2 kV IEC 61000-4-6 CS: 10 V IEC 61000-4-8 PFMF
Cybersecurity
IEC 62443-4-2 Security Level 2
Radio Frequency
FCC
Railway
EN 50121-4 EN 50155 IEC 60068-2-1, EN 50155 IEC 60068-2-14, EN 50155 IEC 60068-2-2, EN 50155 IEC 60068-2-30, EN 50155 IEC 60068-2-78 IEC 60571
Railway Fire Protection
EN 45545-2
Safety
IEC 62368, UL 62368
Salt Spray Test
EN 50155
Shock
IEC 60068-2-27, IEC 61373, EN 50155
Vibration
IEC 60068-2-64, IEC 61373, EN 50155
Package Drop Test
ISTA 1A
Package Vibration Test
ISTA 1A

Declaration

Green Product
RoHS, CRoHS, WEEE

MTBF

Time
795,840 hrs
Standards
Telcordia SR332 Issue 2

Warranty

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

Documentation

NameTypeVersionDate
Network Security Package for TN-4900 Series8.3 MBSoftware Packagev17.0.17May 13, 2026 May 13, 2026 Release notes
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 TN-4900 Series79.9 MBFirmwarev3.24Apr 15, 2026 Apr 15, 2026 Release notes
SNMP MIB file for TN-4900 Series207.1 KBSoftware Packagev3.24Apr 15, 2026 Apr 15, 2026 Release notes
FOSS Statement for MX-ROS products1.6 MBDeclarationv3.24Apr 28, 2026
Datasheet for TN-4900 Series1.9 MBDatasheetv1.5Mar 25, 2026
QIG for TN-4900 Series2.6 MBQIGv1.3Oct 28, 2025
FOSS Statement for MX-ROS products2.0 MBDeclarationv3.21Oct 24, 2025
Manual for MX-ROS V331.6 MBManualv1.13Oct 03, 2025
CLI Manual for MX-ROS TN-4900 Series5.5 MBManualv1.5Jan 07, 2025
Manual for TN-4900 Series30.0 MBManualv1.10Jan 07, 2025
Declaration of Conformity for TN-4900 Series (with PoE)319.1 KBDeclarationv1.0Dec 17, 2024
FOSS Statement for TN-4900 Series2.4 MBDeclarationv3.6Jul 09, 2024
Declaration of Conformity for TN-4916 Series330.2 KBDeclarationv1.0Jan 24, 2024
Declaration of Conformity for TN-4900 Series (non PoE)327.3 KBDeclarationv1.0Jan 22, 2024
IEC 62443-4-2 Security Level 2 Certification for TN-4900 Series (non-firewall models)210.0 KBDeclarationv1.0Jul 28, 2023
IEC 62443-4-2 Security Level 2 Certification for TN-4900 Series (firewall models)202.0 KBDeclarationv1.0Jul 12, 2023