Aastra OpenCom X320 User Guide - Page 50
The DoorLine T01/T02 and DoorLine T03/T04 door intercom systems from, Please note
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Installation Port assignment, termination, cable length Please note: Please observe the following advice and recommendations when connecting analogue devices. Devices which do not comply with these technical prerequisites may damage the OpenCom X320! Analogue telephones If you are using analogue telephones, we recommend you use phones with DTMF dialling, because OpenCom X320's advanced features can not be used with pulse dialling Modems The maximum transfer rate for analogue modems is 33.6 kBit/s (V.34+). Music on Hold A product such as the Genius 2000 from the Speech Design company is suitable for connecting an external Music on Hold device. If you are not using an external MoH device, OpenCom X320 provides a preset internal MoH, for which you can also use your own melody. To do this, call up the Configurator on the Web console, and look in the SYS Configuration menu under the menu item Components. Please see the online help for further details. Please note: Use only devices with an input impedance of 600 ohms, and a potential-free socket for external Music on Hold. Using a device with incorrect input impedance may irreparably damage OpenCom X320! Mail If you are using an external mail system, it must be able to handle the number of digits used for internal telephone numbers, e. g. five digits, if you have set up the system to use 5-digit internal numbers. We recommend the Speech Design Memo 200/300/400 or Memo 200-A/300-A/400-A products, available from the Speech Design company, for this purpose. The mail system can be connected to the internal a/b ports or to the internal S0 ports, but for both types of ports the mail system can send messages to system terminals using code procedures: *68Z[Terminal] 0: Message exists for this subscriber *68Z[Terminal]: No message exists (without trailing "0"). Intercom system (for a/b) The "DoorLine T01/T02" and "DoorLine T03/T04" door intercom systems from Deutsche Telekom (German telecommunications company) subsidiary T-Com can 48