Aastra OpenCom X320 User Guide - Page 175
Telephony, PBX Configuration: S
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Frequently Asked Questions Telephony After restarting the OpenCom X320, nothing is indicated on the displays of any connected terminals. It takes a short while for the OpenCom X320 to start up. After the restart, check whether the activity LED blinks at a rate of 10s / 1s. This indicates that the OpenCom X320 has started up correctly and is ready for operation. If the activity LED is not illuminated or the LED is dark after a short period of rhythmical blinking or the LED blinks 3 times fast in the meantime, the restart was not successful. If the OpenCom X320 has not restarted properly, reset the OpenCom X320 to its original factory setting (refer to the chapter entitled Resetting the System Data starting on page 75). 15.2 Telephony It is not possible to make external calls. Check the connection between the NTBA and the OpenCom X320. In the Configurator, check whether the external S0 ports are configured correctly (PBX Configuration: S0 menu): - Configuration of System- / Multi-terminal access OK? - Port is connected to the NTBA? - Faultless Cabling? - Terminating resistors properly configured? The OpenCom X320 is connected to an NTBA with a multi-terminal configuration. Why is it not possible to establish external connections? With the original factory setting, an additional external S0 port is set for an NTBA in the system configuration; this additional port will be used first to seize a trunk line. Deactivate the second S0 port in the Configurator (PBX Configuration: S0 menu). One of the telephones is not functioning at all. Make sure the telephone has been properly connected. Please read the explanations under Port assignment, termination, cable length starting on page 41. Check also whether the appropriate port has been configured correctly in the Configurator (PBX Configuration: Ports menu). For IP system telephones, verify if PoE is enabled in the NET Configuration: LAN menu. Please pay attention to the 173