Replacing a Comelit 2103 with a 2703u

Discuss Replacing a Comelit 2103 with a 2703u in the Security Alarms, Door Entry and CCTV (Public) area at ElectriciansForums.net

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courtneyg85

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I have a Comelit 2103 unit installed (see pics) which id like to replace with a brand new 2703u unit. Can anyone assist and tell me where each wire should be terminated. The functions I require are the buzzer and the door entry button.

Thanks in advance.
 

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