1) Monitor/handset is compatible
2) Can supervise outside the door
3) Main door station provides several encoding methods to meet the
requirement of different building capacities
4) Password to unlock the door station
5) Noctilucent keyboard
6) Confidential conversation
7) Connection:
a) Door station connects to module through a network switcher by 5
wires + 1 video wire
b) Module connects to monitor by 4 wires + 1 video wire
c) Connects to handset by 2 non-polar wires
8) Module can be used in different layers, with functions of video
switch, amplification,distribution and indication light for
monitors/handsets
9) Net switchers and conformity unit are necessary when in the network
system
10) Power supply: DC 18V, 1.5A
11) Maximum capacity: 400 users (1 door station drives at most 100
modules, 1 module drives 4 monitors/handsets)
12）Audio door phone network management system is available.
13）Flush mount for door station.