Appendix C: Meridian Modular Telephones add-on modules installation Page 435 of 504Telephones and Consoles Description, Installation, and Operation6 Press the P key and dial 62 to ensure that the MCA isin the asynchronous mode. Press the P key and dial20 to change to the asynchronous mode.7 Press the P key and dial * to ensure that the MCA isin the idle mode.The prompt CALLCONNECTED. SESSIONSTARTS is followed byRELEASE.Check the configuration parameters of the far end datadevice. If they do not match those of the MCA, the call willbe dropped. Change the parameters of your MCA to match.Garbled prompts are sent toyour terminal when you type.Enter a period ( . ) followed by to perform anautoparity.You are connected to a hostcomputer, but get no responsewhen you try to log on.First, release the call. Turn on Remote Loopback and makethe call again. Type some characters at the terminal. If thecharacters echo back and appear on the terminal, theproblem is with the far end data device. If the characters donot appear on the terminal, the problem is with the MCA.Contact the telephone system administrator.You try to make a data call fromthe initial prompt (or Main menu)in keyboard dialing. You see theprompt CALLING.First, hold down the break key(s) for two seconds, enter, and try again to make the data call. If the problempersists, the MCA is probably disabled. Contact thetelephone system administrator.MCA does not operate at all. 1 Check the LED in the back of the telephone to see if itis flashing. If the LED is steadily lit, the MCA needs tobe configured in the system, or it may be bad. If theLED is not lit, the MCA requires external power.2 Make sure the cable from the terminal or PC isconnected to the MCA.3 Check the data parameters for the display.Table 72Troubleshooting Meridian Modular Telephones (Part 3 of 5)Symptom Solution