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New: Now two power supply circuits for redundant operation, double switching capacity and many further enhancements

Intelligent power management

ePowerSwitch-M/S is an intelligent, compact system of mains power switches. With the built-in Web server, eight devices can be individually switched on and off, also with programmed switching states. Each master can be expanded with up to four cascaded slave units to control up to 40 power outlets through a single IP address. With its exceptional packing density of 19 inches or one height unit, the ePowerSwitch-M/S also saves precious rack space.

Extremely reliable

Exceptional operating reliability of the connected consumers is now ensured by the Dual-Power function. With two independent circuits for redundancy, (each with isolated power feed and four consumer power outlets each) and the option of switching two outlets together TWIN mode). Ideal for mission-critical servers with two redundant power supply units and two separate power supply paths.

Applications

• Network management in server farms, for example rebooting specific servers and other network equipment
• Server housing (server homing), data centres
• Numerous other applications, for example in the office and in industry

Flexible expansion to up to 40 devices

Being scaleable, an ePowerSwitch M/S system can contain from 8 to 40 individually controllable power sockets. With just two components (a master and a slave), even larger applications – for example in data centres or server housing – capable of adapting to changing requirements, can be implemented. The units are simply connected to each other with a supplied cable.

ePowerSwitch-M8 (master)

This module contains the Ethernet interface and the central web server. With eight sockets conforming to IEC 320, it can also be operated as a stand-alone device or expanded by up to four slaves to 40 sockets.

ePowerSwitch-S8 (Slave)

The slave units are normally interfaced with and controlled by the master through a serial (daisy chain) connection.

Alternatively, one or more slaves can be controlled directly through a standard V.24 interface with simple plain-text commands. Up to four slaves (32 sockets) can be connected together and individually controlled through a serial interface.

Installation

Installation is simple and can be performed in one of two ways:

1) Connect the ePowerSwitch master to any PC through the serial port and a cable (supplied as standard), from where it is then configured. You can do this with any terminal program and therefore from any operating system.

2) For the initial installation, a convenient alternative is provided with the ePowerSwitch Finder program for Windows, which identifies all newly installed ePowerSwitch devices in the same network segment (regardless of their IP address) and allows them to be configured. For security, this option can be disabled individually for each ePowerSwitch after the initial installation.

Operation

To switch the connected consumers, the master's built-in Website is accessed, which responds with a login prompt. Having entered a user name and password, the master, specific slaves, or specified sockets within the system can be accessed (ideal, for example, for server housing). The switching state of the individual power sockets is then shown in addition to controls for switching them on and off and for initiating an auto restart.
If several users try to access the switch at the same time, the system remains under the control of the first user unless he does not make an input for a specified time or logs off.

Live Demo

Test the ePowerSwitch yourself on the Internet. Enter a password and the ePowerSwitch will take you to the appropriate page.
Got to Live Demo

Auto-Restart

Routers and other devices also need to be rebooted from time to time. A "remote administrator" would switch itself off during a reboot. This can be prevented with the Auto Restart function: when the appropriate button is clicked, the connected equipment is switched off and automatically restarted again after a user-definable time.

Programming

A programming interface has been implemented for automating all switching operations in IT and industrial applications. With this new feature, the switching state of each socket can be queried and controlled through the network. Common languages, such as Visual Basic, C++ and Delphi, can be used.

Packing density and switching capacity

With its master/slave technology, the ePowerSwitch-M/S has an exceptionally high packing density of eight connections per 19" height unit, saving you precious rack space. In addition, each device has two built-in power supply connections and two fuses. This increases safety and provides an exceptionally high switching current of 100 A at maximum specification.

Compatibility

ePowerSwitch is fully independent of the platform and operating system of each operator station, provided that they support the TCP/IP protocol and have a graphics-capable browser (e.g. Internet Explorer or Netscape). ePowerSwitch is also independent of any other servers in the network and can even be operated in serverless networks.

Security

The ePowerSwitch is protected against unauthorized access with an encrypted user name and password. Beside the administrator - who can access all sockets - eight users can be defined, each of which can control and view the switching state of any specified combination of sockets. With hierarchical IP filters, specific IP addresses or address ranges can be allowed or denied. The network configuration options can be disabled to ensure that only the users with physical access to a device (through the V.24 interface) can also manage this device.

Switching currents and operating reliability

The ePowerSwitch M/S has two separate circuits, each with their own power supply (Dual-Power function), a separate fuse and a separate power supply for the built-in CPU. This doubles the switching current capacity and allows the supply of mission-critical servers with a redundant power supply. The Twin mode - in which two consumers can be switched simultaneously – has also been devised for this type of server, while the HiAmp technology ensures a long service life even at high switching currents.

Multiple consumers are always switched on again sequentially with a slight delay to prevent excessive current peaks that could otherwise blow the built-in fuse or trip the circuit-breaker.

Mains failures handling

After a power failure, each socket is reset to the most recent switching state or a user-definable state. Here, too, there is an On-delay between individual consumers to prevent damaging current peaks.

Serial actuation

As an alternative to the network, ePowerSwitch-M/S slaves can be controlled through their built-in serial interface using a simple command language. Up to four slaves can be interconnected.

Order number	Description
EPS M8	ePowerSwitch M/S Master with PC connection cable with D-Sub 9-pin socket/plug (1.8 m) for configuration and control
EPS S8	ePowerSwitch M/S Slave with connection cable with RJ9 plug at both ends (15 cm) for connecting to a master or slave
WV NS 598 1,8 M	V.24 cable (9-pin D-SUB socket on RJ-9 plug) for serial control of one or more EPS S8 slaves. 1.8 metres. Longer lengths on request.
S 19.08.1515	Connection cable for non-heating apparatus – plug/socket, 1.8 metres long
S 19.08.1530	Connection cable for non-heating apparatus – plug/socket, 3 metres long