NEC 616 manual 2m-13

250.3 DP-6-1 Installation

The DP-6-1 is a Door/Monitor phone unit. Each door phone requires 1pair cabling to the Main Distribution Frame (MDF). The maximum cable length is 700 ft. using standard 24 AWG cable and 1,150 ft. using standard 22 AWG cable. Refer to Section 140, “Cabling Requirements” of this manual.

To prepare the door phone for wall mounting losen the set screw and remove the door phone unit from the mounting plate. Use the two screws provided or other appropriate

fastners to fiiy connect to wall surface. For door phone cable connection, see Figure 2506 and Table 240-3. Refer

to Section 340, ‘Programming Sheets” for Door Phone assignment.

SCREW SLOT

POSITIONS

TO

Fig. 250-6 Rear View of DP-6-l Door Phone

Page 2m-13 ‘-_