Rittal CMC-TC User Instructions
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Rittal CMC-TC User Instructions

Gsm unit
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Document number A 30594 00 IT 74
CMC-TC GSM Unit
Important note:
For reasons of clarity, these user instructions contain only the most significant details and information
and similarly cannot address every conceivable case with regard to installation, operation and
maintenance. Subject to technical modifications without prior notice. In case of ambiguity, the wording
of the corresponding German text is to prevail.
Accessory:
GSM Unit 7320.820
SIM card slot and aerial
connection
Description:
If an alarm situation arises, the CMC-TC GSM Unit (in conjunction with an inserted
SIM card) is able to provide for wireless notification by SMS. The receipt of a defined
SMS, furthermore, can be used to authorise access to the enclosure.
It is to be noted that the aerial of the GSM Unit must lie within the reception and
transmission range of the selected mobile communication network at all times and
must not be left shielded as a result of other installation measures, e.g. metallic
enclosure. In this case, the aerial cable of the GSM Unit must be extended to permit
the aerial to be installed outside the shielded space. A sufficient signal quality must
be available at all times to enable proper reception and transmission.
As no network provider is able to guarantee the 100% availability of the network in a
particular area, Rittal is similarly unable to guarantee 100% alarm notification by
SMS. The following cases are examples for situations in which the transmitted SMS
fails to reach the intended recipient:
1. The mobile phone is not logged into a network, has been switched off or has
switched itself off automatically because its battery is empty.
2. If a mobile phone is used with a prepaid card, it may happen that the number is
not obtainable because the credit on the card is exhausted or else the card has
expired after a contractually agreed period. In some cases the SIM card may then
be permanently disabled. To be able to exclude this possibility, the user of the
GSM Unit must ensure that a corresponding credit is maintained on the prepaid
card at all times. Rittal recommends users not to rely on prepaid cards and
instead to conclude a standard contract.
Processing Unit:
PU 7320.100 from software version 1.10
Connecting cable RJ 12/ RJ 12,
enclosed
DK 7320.820
1

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Summary of Contents for Rittal CMC-TC

  • Page 1 Description: If an alarm situation arises, the CMC-TC GSM Unit (in conjunction with an inserted SIM card) is able to provide for wireless notification by SMS. The receipt of a defined SMS, furthermore, can be used to authorise access to the enclosure.
  • Page 2 The GSM Unit is recognised and initialised automatically by the PU software from version 1.10. The CMC-TC GSM Unit is connected to the RS232 interface port on the rear of the Processing Unit (PU) with the enclosed RJ 12 cable and also receives its +24 V DC power supply via this cable.
  • Page 3 Conditions for use / safety notes: - The CMC-TC GSM Unit is only to be used in connection with the Rittal CMC-TC system. - Observe the contents of the user instructions / safety notes supplied with the Processing Unit (7320.100) and these product-specific instructions. Particular attention is drawn to the conditions for use, safety information and warranty notes contained therein.

  • Page 4: Front Side

    Description of the CMC-TC GSM Unit 7320.820 Front side: Duo-LED red / green: This LED is controlled via AT commands through the PU software and is used to signal the current status of the GSM Unit: red: The LED lights red during initialisation of the GSM Unit and later also in case of inferior signal quality.

  • Page 5: Technical Data

    Description of the CMC-TC GSM Unit 7320.820 Rear side: The CMC-TC GSM unit is connected to the Processing Unit via the RS232 interface port using the enclosed RJ 12/RJ 12 connecting cable. The connecting cable provides the +24 V DC power supply and carries the data exchange with the Processing Unit.

  • Page 6: Initial Start-Up

    Initial start-up Important note: The following description applies for software version V1.10 for the Processing Unit DK 7320.100, which is the version required to operate the GSM Unit. § Initial start-up The following measures are to be taken before the GSM Unit is connected to the Processing Unit: a) Insert a SIM card into the SIM card slot of the GSM module.
  • Page 7 The GSM Unit can only be connected after these settings have all been entered in the PU. The software of the CMC-TC/PU polls this interface cyclically to detect whether a device has been connected; it may therefore take up to a minute for the GSM Unit to be found, if it is connected during operation.
  • Page 8 SMS Phone Numbers: Permits specification of up to 4 recipient phone numbers. IMPORTANT: These numbers must be entered in their international format (in the example here: +49 for Germany, no leading zero in front of the dialling code). Fig. 1 Setting the GSM parameters via Telnet Fig.
  • Page 9 No GSM unit found: No GMS Unit was found at the serial interface. GSM unit found: A GSM Unit has been found and initialisation is running. GSM unit o.k. [Signal 80%]: The GSM Unit has been initialised correctly and is functioning normally; the signal strength is in this example 80%.
  • Page 10 § Via a browser Via the menu option ´GSM Unit´, it is also possible to use a Web browser to enter the settings described in the section ´Via Telnet´; the line ´GSM Info´ displays the current status of the GSM Unit (see section ´Via Telnet´). Fig.
  • Page 11 Fig. 5 Sensor settings via a Web browser This is the browser window used to specify the recipient phone number(s) to which an SMS is to be sent in case of a status change (the format for inputs is 1&2&3&4 for all 4 recipients).

  • Page 12: Sms Functions

    SMS is detected, it is analysed and a corresponding action performed. The incoming SMS must observe a defined format to be recognised by the CMC-TC system. In addition, the phone number of the sender is checked against the 4 numbers in the list of SMS recipients;...
  • Page 13 (but not the ´unit/door´ numbers). b) Outputs (Universal output / Power switch): The functions ´on´ and ´off´ permit switching of the CMC-TC outputs. The format of the SMS must be as follows (here, for example, to activate Output 4 of IO Unit 3 at...
  • Page 14 The command ´CLEAR´ can be used to acknowledge a previous alarm. Upper and lower case characters are not distinguished. Address : Rittal GmbH & Co. KG / Auf dem Stützelberg / D-35745 Herborn / Tel: (+49) (2772) 505 – 0 / Fax: (+49) (2772) 505 – 2319 / eMail: Info@rittal.de...

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