EN
6
Rittal CMC III ISDN unit
1
Notes on documentation
This Installation and Short User’s Guide is intended for experienced, trained specialists and con-
tains only the most important information concerning the assembly, installation and function of the
CMC III ISDN unit (subsequently referred to as the ISDN unit).
1.1
Other applicable documents
Assembly, installation and operating instructions for the CMC III ISDN unit.
These are available at www.rittal.com and contain comprehensive application-relevant information
and technical data for the ISDN unit with regard to:
– Other assembly options
– Functions
– Configuration options
– Detailed operating instructions
– Troubleshooting
2
Safety instructions
– Assembly and installation of the ISDN unit may only be performed by experienced, trained spe-
cialists.
– The ISDN unit housing must not be opened.
– The ISDN unit must not come in contact with water, aggressive or inflammable gases or vapours.
– The ISDN unit may only be operated within the specified environmental conditions (see
section 3.4).
3
Product description
3.1
Functional description
Text messages may be sent via the ISDN unit in the event of a status change in the CMC III Process-
ing Unit or a connected sensor. However, this will require a suitable ISDN connection at the cus-
tomer’s premises. Use of the ISDN unit is particularly recommended in areas where there is no mo-
bile phone network with adequate signal strength available.
3.2
Proper use
The CMC III ISDN unit is used solely for sending text messages in the event of a status change in
the CMC III Processing Unit or a connected sensor. It must only be used together with the CMC III
PU. Any other use is not permitted.
3.3
Supply includes
– CMC III ISDN unit
– Accessories supplied loose (fig. 1)
– Installation and Short User’s Guide
3.4
Operating conditions
The ISDN unit may only be operated under the following operating conditions:
Operating temperature range:
+0°C…+55°C
Humidity range:
5% to 95% relative humidity, non-condensing
Protection category:
IP 30 to IEC 60 529
Notes on documentation, Safety instructions, Product description
EN
