Multi-apartment video door entry system user guide revision 3.
P a g e 2 introduction this multi-apartment door entry system allows you to wire up multiple apartments that use a single public entry door to communicate with the visitor. The system can be supplied with 2 to 12 buttons on the door unit, and the appropriate number of monitors door unit specificatio...
P a g e 3 door unit controls 1. Camera lens 2. Loudspeaker 3. Microphone 4. Call buttons 5. Connections for monitors (4 maximum) 6. Electronic lock connection (optional) door unit wiring instructions 1. Connect the four-wire connections using 4-core cable. One cable from the door unit separately to ...
P a g e 4 monitor controls the vdp311 system is a flexible and user-friendly system that allows a number of monitors to be used with a number of door units with cameras. The monitors allow visibility of the callers via the camera in the door units and, when used with the optional electronic lock, en...
P a g e 5 wall mounting of monitor fix the mounting bracket to the wall first using the fixing holes (2), then connect wiring and finally hook the monitor unit over the hooks (1) on the bracket. You can use any 4-core cable to make the connections, but screened and/or armoured cables are most secure...
P a g e 6 operation caller at door 1. Caller presses the call button on the door camera 2. Both the monitor and the door camera will play the selected ring tone and the activity led will light on the monitor 3. The camera will turn on and the image of the caller will be displayed on the monitor scre...
P a g e 7 cabling to monitors there are two main types of wiring used with these systems: cat5 and screened 4-core cabling. Although both are fine for runs up to 30m, it is recommended to use the screened cable for runs over 30m or so. There are two considerations for this: voltage drops and interfe...
P a g e 8 wiring using cat5 cable cat5 cable consists of 4 pairs of twisted wires. For this to provide the required interference shielding, it is important that one wire in each pair for audio and video is a ground wire. As with the screened cable, it is also important to double up the conductors fo...
