Samsung OfficeServ 7400 Installation Manual page 67

CHAPTER 7. Connecting Stations and Additional Equipment
2) Connect the DOOR BOX port of the DPIM to the door phone.
3) When using an automatic door lock, connect it to the LOCK port of the DPIM. The
door release contacts are designed to control a low-voltage relay and are rated at
24 VDC and 100 mA. Use MMC 501 to program the duration of the contact closure as
required
7-10
MMCs
MMC 211 is used to assign call numbers to door phones. For details, refer to the
Samsung OfficeServ 7400 Programming Guide
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