TD 93021US
17 July 2017 / Ver. PF3
77
Installation Guide
teleCARE IP
6.7
Door Side Module (NIDM)
The Door Side Module (NIDM) is a three-button switch module which is connected to the teleCARE IP
room bus. It has a buzzer which can be used to signal calls, a 4-pole connector for the room bus, a 4-pole
connector for a passive bus and connector for speech module.
Figure 100. Door-Side module: front and back view
6.7.1 Door Side Module Electrical Connections and DIP Switch Settings
The Door Side (NIDM) Module is an “active peripheral” therefore it must be connected to one of the four
room buses of a teleCARE IP room controller by the 4-pole room bus connector (see
Each room bus offers individual addresses for up to four switch modules. The address is selected using
the DIP switch on the switch module printed circuit board. The door side module also has another 4-pole
connector for a “passive bus” which is used to connect a passive pull cord switch module and a passive
cancel switch module.
Note:
Only one passive pull cord switch module can be connected per passive bus.
Figure 101. Door Side module electrical connections and address setting
The NIDM has a 5-pin connector for connecting a speech module. Refer to
for details of the speech module.
4-Pole
connector for
Passive Bus
4-Pole Connector
for Room Bus
Dip switch
for setting the
Room Bus
Address
0, 1, 2, or 3
Connector
for the
Speech Module
Buzzer