The Connection for the 1717/31 and 1717/33 are the same. There are two LAN connections, the first connection is for the IPerVoice/IPerCom system connections.
This is the left hand port as viewed from the rear marked Doorphone POE Port.
The second port is connection into the resident network this is to provide extra service and functions on the monitor. Please refer to the handbook for these services.
There is an additional Auxiliary Connection Board (see below), this is connected into the rear of the monitor with a fly lead.
The Auxiliary Connection Board allows the connection of the :-
Floor Call (CP)
Additional Sounder (S+ S-)