NETIO 4C is a small 110/230V PDU (Power Distribution Unit) with four controlled IEC-320 C13 (max 8A) power outlets. It includes an Ethernet switch and two LAN ports for network connections.

Each of the four power outputs can be individually switched on/off over the web, from a mobile app, or using various M2M APIs (SNMP, MQTT, XML, Modbus/TCP, ..). Custom Lua scripts can run directly in the NETIO 4C device.

As a distinctive feature, NETIO 4C provides a RS-232 serial port (3-pin) that can be controlled with a Lua script or used as a remote serial port. 

The NETIO 4C smart PDU is designed to distribute power in racks. Use the product whenever you need to individually control 110/230V power outlets. Individual power outputs can be controlled by a mobile app, by a computer program (via M2M API) or by a custom script (Lua) that runs directly in the NETIO 4C smart PDU.

Many customers use NETIO 4C to ensure a defined power-up sequence after power failures and to switch outlets on/off at specified times (Scheduler function). Another frequent application is a “PING Heartbeat” – automatic restart solution (IP WatchDog function).

Built-in Ethernet switch

The two LAN ports of NETIO 4C are connected to an internal Ethernet switch. This makes it easy to daisy-chain NETIO 4C devices and connect them all to a single LAN connection.

Functions for ordinary IT users

  • Outlets can be controlled over the Web or with a mobile app (iOS / Android).
     
  • The switching of outlets can be time-controlled by the Scheduler with a graphical interface.
     
  • The IP WatchDog (automatic restart) function controls the 230V outlet by detecting “ping” responses. It can be used to restart unresponsive servers, routers or microwave links.
     
  • ANxx (Application Notes) is a library of examples of using NETIO electrical outlets in various applications, connecting to third-party software, and so on.

M2M API

The NETIO 4C smart PDU (Power Distribution Unit) offers unmatched support for many network protocols that can be used to control each outlet. These network protocols are called the M2M (Machine to Machine) API (Application Programming Interface).

Security (ssl)

NETIO 4C supports enhanced network security. The HTTPs protocol establishes a secure connection between the browser and the web server.

The third SNMP v3 generation offers higher security in comparison to previous SNMP versions. The MQTT protocol for IoT cloud applications includes SSL security. 

Monitoring of connected devices (IP WatchDog function)

The IP WatchDog function of NETIO 4C smart PDU monitors ping (icmp) responses. When the monitored device is powered from one of the controlled electrical outlets, NETIO can restart it by briefly disconnecting the power.

As a unique feature, users can use Lua scripts to write more complex conditions for monitoring other devices. For example, the correct operation of other devices (heartbeat) can be checked by parsing XML files, loading web pages, and so on.

RS-232 serial port of NETIO 4C

The NETIO 4C smart PDU provides a RS-232 serial port at a 3-pin connector. The serial port can be used as a remote serial port (a tunnel from a TCP connection to the serial port), or controlled with Lua scripts.

Lua scripts can send strings to this serial port and read any responses. This makes it easy to connect various industrial devices in order to, for example, react to a high temperature sensed by a RS-232 sensor by switching on a particular outlet.

Lua – Programmable scripts

NETIO 4C smart PDU can run custom scripts. NETIO 4C supports the Lua scripting language. The user script (or several scripts) runs directly in the PDU. The scripts are written in the web interface. A library of sample scripts is being prepared as NETIO Application Notes.

Lua scripts can send e-mails, read values from RS-232, or switch individual outlets on/off.

User Lua scripts can also:

  • Switch individual power outlets on/off
     
  • Send e-mails
     
  • Send and receive icmp ping
     
  • Download and parse XML files from other devices (from a given IP address)
     
  • Receive http get requests (CGI scripts)
     
  • Work with time (Scheduler)

NETIO 4C applications

The NETIO 4C smart PDU is typically used to distribute electricity in a 19" rack (cabinet) in a data center. Each IEC-320 outlet can be switched on/off, and several NETIO 4C smart PDUs can be connected in series thanks to two LAN ports.

Delayed switching-on of individual outlets when recovering from a power failure prevents circuit breakers from tripping. NETIO 4C features an electronic fuse as well as overvoltage and surge protection.
 

 

>> Typical NETIO applications

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General properties

Power input

  • IEC socket
     
  • C14 + power switch

Power output

Power outlet control options

  • Buttons
     
  • NETIO Mobile app for iOS/Android
     
  • WEB browser
     
  • M2M API (Telnet, KSHELL, SIP, CGI, SNMP v3, XML, JSON …) – link na stránku M2M rozhraní
     
  • Lua script

Network

  • 2x Ethernet (LAN)
     
  • Includes an Ethernet switch

Serial interface

More

  • IP Watchdog function – automatic restart of devices that stop responding to “ping”
     
  • Scheduler – a smart calendar
     
  • M2M API interface (various protocols to control the outlets and measure consumption)
     
  • Behavior can be programmed in Lua

 

  • No software to install, a web browser is all that is needed
     
  • Designed and produced in Prague, Czech Republic

Technical specifications

Power

  • Supply voltage: 110/230VAC / 15A (15A resettable fuse)
     
  • Low internal consumption: Max 4.1W
     
  • Power input: IEC60320 C13

Outlets

  • Surge suppressor at each outlet
     
  • Configurable default state

Network interface

  • 2x LAN 10/100 Mbps (RJ-45 jack)
     
  • Supported protocols: HTTP, HTTPS, SMTP, DNS, NTP, UPnP, DHCP, SNMP, ICMP, MQTT

M2M API

  • SNMP (v1 / v3)
     
  • CGI (HTTP GET, POST)
     
  • Telnet (ssl) – backwards compatible with KSHELL
     
  • XML (HTTP  / HTTPs)
     
  • JSON (HTTP  / HTTPs)
     
  • SIP (VoIP applications)
     
  • MQTT (MS Azure)

Lua scripting

Controls

  • 1x main power switch (fuse)
     
  • 4x button for individual outlets
     
  • LED indication of current outlet states, LAN, WiFi

Package contents

  • NETIO 4C
     
  • Quick installation guide
     
  • Power cable (unless specified otherwise)

Dimensions / mass

  • NETIO 4C: 220 x 40 x 120 (w x h x d)
     
  • Cable length: 1m
     
  • Weight: 0.8 Kg
     
  • Package: 325 x 74 x 224 mm (w x h x d)

NETIO 4x product comparison

  Ethernet (LAN) WiFi Power Out Měření spotřeby Serial port (RS-232) Lua skripty Bluetooth
NETIO 4All Yes External Ant. (RSMA) 4x DE (type F - Schuko)
4x FR (Type E)
Yes No Yes Yes
NETIO 4 Yes Fixed Ant. 4x DE (type F - Schuko)
​4x FR (Type E)
No No Yes No
NETIO 4C Yes (2x) --- 4x IEC320 C13 No Yes Yes No
 

Operating conditions

  • Temperature: 0 °C – 50 °C
     
  • For indoor use only (IP30)

API Interface

NETIO smart sockets and PDUs support a wide range of protocols for connecting to various applications and devices over the network.

CGI scripts (HTTP GET, POST)

A simple system for switching individual outlets on/off by accessing a URL.

XML (HTTP  / HTTPs)

Text files in the XML format transferred over HTTP or HTTPs.

JSON (HTTP  / HTTPs)

Text files in the JSON format transferred over HTTP or HTTPs.

Telnet (ssl)

Simple command-based protocol over a TCP connection.  The communication can be secured using SSL. This protocol is backwards-compatible with NETIO 230B.

SNMP (v1 / v3)

IT and Telco infrastructure management protocol. Version 3 features enhanced security.

Modbus/TCP

Simple industrial M2M protocol for controlling NETIO 4 smart outlets from various PLCs, SCADA systems etc.

MQTT (MS Azure)

Protocol for IoT (Internet of Things) cloud applications. NETIO 4Cl smart PDU maintains a connection to the cloud application that can control it.

SIP (VoIP applications)

Telephony protocol; outlets can be controlled using an IP telephone in a way similar to opening doors. 

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Photo and video

Available models

NETIO 4C RACK MOUNT KIT

Mounting kit for attaching two pieces of NETIO 4C to the 19″ data distribution board.

PWR adapter UNI to IEC-320

Adapter connecting many types of electrical plugs to NETIO 230C/CS. EU, UK, U.S., AU, Schuko , Switzerland and Italy plugs may be used. 

NETIO 4C CH (Switzerland)

Small PDU (Power Distribution Unit) 110/230V, 4x IEC-320 C13 power output. 2x LAN, RS-232. Swiss power cable.

NETIO 4C Europlug

Small PDU (Power Distribution Unit) 110/230V, 4x IEC-320 C13 power output. 2x LAN, RS-232. Europlug power cable.

Ethernet: 
10/100Mbit
Lan ports: 
2
LAN ethernet switch: 
Yes
WiFi: 
No
Blue Tooth 4.0 LE: 
No
Serial port (RS-232): 
Yes
DHCP: 
Yes
SNTP: 
Yes
SMTP (TLS): 
Yes
SSL: 
Yes
IPv6: 
No
VLAN: 
No
Syslog: 
No
SMS Alerts: 
No
Email alerts: 
Yes
Mobile App: 
Android / Apple
Scheduler (Chytrý kalendář): 
Yes
IP Watchdog Hearbeat): 
Yes
Warranty 2: 
24 Months
Protection 2: 
IP30
Rack montage: 
Optional
Product dimensions: 
220 x 40 x 120 mm
Product weight: 
0,8 Kg
Shipping package: 
325 x 74 x 224 / 1150 g
HTTP: 
Yes
HTTPs: 
Yes
SNMP v1: 
Yes
SNMP v3: 
Yes
User certificates: 
No
XML: 
Yes
Modbus/TCP: 
Coming soon
Telnet/Kshell: 
Yes
CGI: 
Yes
MS Azure (MQTT): 
Yes
SIP VoIP: 
Coming soon
Power Output: 
4x IEC320 C13
Power Input: 
230V and 110V AC
Power Output sockets: 
4
Power Input: 
IEC-320 C14 (110/230V)
Power In max current: 
10A
Max one socket current: 
8A
Power fuse: 
None
Self power consumption: 
4.10W
Current meter: 
No
Metered values: 
None
Energy meter: 
No
LUA: 
Yes
XML interface accessible in LUA: 
Yes
SNMP interface accessible in LUA: 
Coming soon
Web buttons accessible in LUA: 
Coming soon
CGI interface accessible in LUA: 
Coming soon
PING interface accessible in LUA: 
Yes
RS-232 accessible in LUA: 
Yes

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For device testing use name/password demo/demo