Moxa
VPort 461A

VPort 461A

VPort 461A Series

Superior video performance, 1-channel H.264/MJPEG industrial video encoders

  • Supports up to 4 video streams simultaneously for H.264 and MJPEG
  • Up to Full D1 resolution (720 x 480) @ 90 fps for 3 video streams with legacy analog video images
  • Video latency under 200 ms
  • 2 Ethernet ports for cascading or Ethernet port redundancy
  • DynaStream™ for optimized network efficiency
  • ONVIF support for standardization and interoperability
  • Local storage capability with SD card slot
  • Industrial design with -40 to 75°C operating temperature range

Certifications CE · FCC · UL Listed · NEMA TS2

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

Specifications

Memory

SD Slot
SDXC

Input/Output Interface

Digital Input Channels
2
Digital Inputs
+13 to +30 V for state 1 -30 to +1 V for state 0 Max. input current: 8 mA
Relay Channels
2
Contact Current Rating
Resistive load: 1 A @ 24 VDC
Connector
Terminal block

Ethernet Interface

10/100BaseT(X) Ports (RJ45 connector)
2

Ethernet Software Features

Protocols
TCP/IP IPv4/IPv6 UDP HTTP RTP/RTSP ARP UPnP FTP TFTP NTP Client DNS QoS IGMP v3 ICMP SNMPv1/v2c/v3 Modbus TCP HTTPS 802.1X NTCIP

Security Functions

Password
User-level password protection
Filter
IP address
Authentication
802.1X
Encryption
HTTPS SSH

LED Interface

LED Indicators
STAT: Indicates if system is booted up properly or not Power 1: Power 1 on/off Power 2: Power 2 on/off FAULT: Can be configured to correspond to system alarm, power failure, or disconnected network Video: Video input signal PTZ: Indicates if PTZ or COM port data has been transmitted SD: Indicates if SD card was mounted successfully Network: 10 Mbps or 100 Mbps

Serial Interface

PTZ Port
1, RS-232 or RS-422/485 port, terminal block connector, 115.2 kbps
COM Port
1, RS-232 or RS-485 port, DB9 male connector, 115.2 kbps
Console Port
1 RS-232 port, 10-pin RJ45 (115200, n, 8, 1)

Power Parameters

No. of Power Inputs
2
Input Voltage
Redundant dual inputs
Operating Voltage
12 to 32 VDC, 18 to 30 VAC
Input Current
0.64 A @ 12 VDC, 0.18 A @ 32 VDC 0.59 A @ 18 VAC 0.35 A @ 30 VAC
Power Connector
2-pin terminal block

Video Interface

Video Compression
H.264 (ISO/IEC 14496-10) or MJPEG
Video Input
1, BNC connector (1.0 Vpp, 75 ohm)
Video Output
via Ethernet
Video Streams
4 independent H.264 or MJPEG video streams
NTSC/PAL
Auto-sensing or manual
Video Resolution and FPS (frames per second)
Read more NTSC PAL Size Max. FPS Size Max. FPS QCIF 176 x 112 30 176 x 144 25 CIF 352 x 240 30 352 x 288 25 VGA 640 x 480 30 640 x 480 25 4CIF 704 x 480 30 704 x 576 25 Full D1 720 x 480 30 720 x 576 25
Video Viewing
DynaStream™ support for changing the video frame rate automatically CBR Pro™ for good image quality in limited bandwidth transmissions Adjustable image size and quality Timestamp and text overlay OSD (On Screen Display) position adjustable Image tuning: control brightness, contrast, saturation Maximum of 10 simultaneous unicast connections, 50 multicast clients

Audio Interface

Audio Inputs
1 Line-in or MIC-in with 3.5 mm phone jack
Audio Outputs
1 Line-out, with 3.5 mm phone jack
Audio Format
Mono, PCM (G.711)

Camera Software Development

Video Standards
ONVIF Profile S

Camera PAN/TILT/ZOOM

PTZ Camera Control
Via PTZ port or COM port
PTZ Control Functions
Pan, tilt, zoom, focus, move speed, preset position (max. 128 positions)
PTZ Function Updates
Driver upload supported
Protocols
Pelco D, Pelco P, Custom Camera

Camera Alarm Software Features

Intelligent Video
Camera tampering detection
Video Motion Detection
3 independently configurable areas
Scheduling
Daily repeat timing schedule
Imaging
JPEG snapshots for pre/trigger/post alarm images
Custom Alarms
HTTP event servers for setting customized alarm actions
FTP Messaging
Automatic transfer of stored images via FTP as event-triggered actions
Pre-Alarm Buffer
50 MB video buffer for JPEG snapshot images
Video Recording
Event recordings stored on the SD card

Software Requirements

Memory Size
1 GB
Operating System
Windows 7 or above
Browser
Internet Explorer 9.x or above
Multimedia
DirectX 9.0C or above

Physical Characteristics

Housing
Metal
Dimensions
46 x 134 x 105 mm (1.81 x 5.31 x 4.13 in)
Weight
710 g (1.57 lb)
Installation
DIN-rail mounting Wall mounting (with optional kit)

Environmental Limits

Operating Temperature
-25 to 60°C (-13 to 140°F)
Storage Temperature (package included)
-40 to 85°C (-40 to 185°F)
Ambient Relative Humidity
5 to 95% (non-condensing)
Altitude
2000 m

Standards and Certifications

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: 1 kV IEC 61000-4-6 CS: 10 V IEC 61000-4-8 PFMF
Freefall
IEC 60068-2-31
Safety
UL 60950-1
Shock
IEC 60068-2-27
Vibration
IEC 60068-2-6

MTBF

Time
862,568 hrs
Standards
Telcordia SR332

Warranty

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

Documentation

NameTypeVersionDate
Software Package for VPort 461A Series (MIB file)45.9 KBSoftware Packagev2.0Feb 27, 2024 Feb 27, 2024 Release notes
Firmware for VPort 461A Series40.7 MBFirmwarev2.0Feb 27, 2024 Feb 27, 2024 Release notes
Software Package for VPort 461A Series (MIB file)44.6 KBSoftware Packagev1.2Sep 17, 2017 Sep 17, 2017 Release notes
Moxa VPort and EtherDevice Configurator Utility1.6 MBUtilityv5.3Apr 09, 2012 Apr 09, 2012 Release notes
Datasheet for VPort 461A Series881.3 KBDatasheetv2.1Oct 13, 2025
FOSS Statement for VPort 461A series, VPort 464 series978.7 KBDeclarationv1.0Jan 14, 2025
Declaration of Conformity (EU/UK) for VPort 461A Series296.4 KBDeclarationv1.0Mar 18, 2024
QIG for VPort 461A Series3.7 MBQIGv2.0Mar 01, 2024
Manual for VPort 461A Series9.1 MBManualv2.0Mar 01, 2024
Manual for VPort 461A Series (Modbus address table)235.7 KBManualv1.0Mar 05, 2018
2D CAD for VPort 461A146.8 KB2D CADDec 23, 2015
Moxa SoftNVR-IA IP Surveillance Software User's Manual3.6 MBManualv1.0Apr 22, 2010

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