Hirschmann Media converter MM20-M4M4T1T1EAHH

Technical parameters and safety
Safety instructions

Shielded ground The shielded ground wire of the twisted pairs lines is connected to the front panel as a conductor. 

 Beware of possible short circuits when connecting a cable section with conductive shield braiding. 

 Housing Only technicians authorized by the manufacturer are permitted to open the housing. WARNING ELECTRIC SHOCK Never insert any pointed objects (small screwdrivers, wires, etc.) into the product! Never insert sharp objects (small screwdrivers, wires, etc.) into the connection terminals for the supply voltage or the signal contact, and do not touch the terminals! Failure to follow these instructions can result in death, serious injury, or equipment damage. CAUTION EQUIPMENT OVERHEATING When installing the device, make sure any ventilation slots remain free. Maintain a clearance of at least 10 cm (3.94 in). Failure to follow these instructions can result in injury or equipment damage. 10 PowerMICE Release 01 04/2014 The lower panel of the device is grounded by means of the DIN rail and optionally by means of the separate ground screw. 

 The switch basic module forms an inseparable unity. By removing the display and connecting parts, you risk the damage of the switch basic module. 

 Make sure that the electrical installation meets local or nationally applicable safety regulations. 

 The ventilation slots must not be covered to promote free air circulation. 

 The clearance between the ventilation slots of the housing and other objects must be at least 10 cm (3.94 in). 

 The device has to be mounted in an upright position (see fig. 13). 

 If installed in a living area or office environment, the device must be operated exclusively in switch cabinets with fire protection characteristics in accordance with EN 60950-1. 

 Environment The device may only be operated at the specified surrounding air temperature (temperature of the surrounding air at a distance of up to 5 cm (1.97 in) from the device) and relative air humidity specified in the technical data. 

 Install the device in a location where the climatic threshold values specified in the technical data will be observed. 

 Use the device only in an environment within the pollution degree specified in the technical data. 

 Qualification requirements for personnel Qualified personnel as understood in this manual and the warning signs, are persons who are familiar with the setup, assembly, startup, and operation of this product and are appropriately qualified for their job. This includes, for example, those persons who have been:  trained or directed or authorized to switch on and off, to ground and to label power circuits and devices or systems in accordance with current safety engineering standards; 

 trained or directed in the care and use of appropriate safety equipment in accordance with the current standards of safety engineering; 

 trained in providing first aid. 

 General safety instructions Electricity is used to operate this equipment. Comply with every detail of the safety requirements specified in the operating instructions regarding the voltages to apply. See “Supply voltage” on page 6.

Non-observance of these safety instructions can therefore cause material damage and/or injuries. 

 Only appropriately qualified personnel should work on this device or in its vicinity. Qualified personnel must be thoroughly familiar with the warnings and maintenance procedures in accordance with this operating manual. 

 The proper and safe operation of this device depends on proper handling during transport, proper storage and assembly, and conscientious operation and maintenance procedures. 

 Never start operating the device with damaged components. 

 Only use the devices in accordance with this manual. In particular, observe the warnings and safety-related information. 

 Any work that may be required on the electrical installation may only be carried out by personnel trained for this purpose. Note: LED or LASER components in compliance with IEC 60825-1 (2007): CLASS 1 LASER PRODUCT CLASS 1 LED PRODUCT Note: Follow the safety instructions for the media modules. You will find these instructions in the “Description and Operating Instructions” document supplied with the media module. 

 National and international safety regulations 

 Make sure that the electrical installation meets local or nationally applicable safety regulations. 

 CE marking The labeled devices comply with the regulations contained in the following European directive(s): 2011/65/EU (RoHS) Directive of the European Parliament and of the Council on the restriction of the use of certain hazardous substances in electrical and electronic equipment. 2004/108/EC (EMC) Directive of the European Parliament and the council for standardizing the regulations of member states with regard to electromagnetic compatibility. In accordance with the above-named EU directive(s), the EU conformity declaration will be at the disposal of the relevant authorities at the following address: