Specifications
CHAPTER 2. Hardware Descriptions
2-20
© SAMSUNG Electronics Co., Ltd.
2.4.2.7 Economic Keyset
Volume Control Keys: Used to set independent levels for handset, speaker,
background music, ring and page volumes.
Transfer Key
Redial Key
Microphone: For hands-free operation.
Hold Key
Speaker Key
Speaker: For hands-free operation and ringing.
Figure 2.22 Economic Keyset
2.4.2.8 Door Phone Interface Module (DPIM) & Door Phone
The DPIM adapts any DLI circuit for use with the door phone unit
Commonly used to request entry through locked doors(interior or exterior) or as a
room monitoring box
Provides contact control to be used with customer-provided electric door lock
Door phone is wall-mounted
Door phone is weather resistant
Figure 2.23 Door Phone Interface Module Figure 2.24 Door Phone










