Specifications

CONTENTS
2.13
Door Phone Interface Module (DPIM) and
Door Phone (see Figures 2–17 and 2–18)
• 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 cus-
tomer-provided electric door lock
• Door phone is wall-mounted
• Door phone is weather resistant
Serial Interface Module (SIM)
(See Figure 2–19)
• Provides an RS232 connection required for SMDR, PCMMC, TSAPI, TAPI 2.1, UCD
Reports and Traffic Reports
• Connects to any DLI circuit
• Maximum of 2 per system (requires optional DRAD board on DCCP)
FIGURE 2–17
FIGURE 2–18