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Door Box
DSX Software Manual Features ◆ 147
Features
Door Box
Description
The Door Box (P/N 922450) is a self-contained analog Intercom unit typically used to monitor an entrance
door. A visitor at the door can press the Door Box call button (like a door bell). The Door Box then sends
chime tones or ringing to all extensions programmed to receive chimes. To answer the chime or ringing, the
called extension user just lifts the handset. This lets the extension user talk to the visitor at the Door Box.
The Door Box is convenient to have at a delivery entrance, for example. It is not necessary to have company
personnel monitor the delivery entrance; they just answer the Door Box instead.
❥ DSX-80/160
In DSX-80/160, a Door Box connects to an available Door Box port on a
2PGDAD Module (P/N 0891027). Each module supports up to two Door Boxes,
with the maximum number of Door Boxes installed limited only by the availabil-
ity of station ports to connect additional 2PGDAD Modules.
❥ DSX-40
In DSX-40, the Door Box can connect to a 2PGDAD module or to one of the two
“built-in” Door Box ports. As in DSX-80/160, the maximum number of Door
Boxes installed is limited only by the availability of station ports to connect addi-
tional 2PGDAD Modules.
Refer to Optional Equipment in the Hardware Manual that came with your system for more or installing the
Analog Door Box.
Door Box Relays
Any keyset extension that receives Door Box chimes or ringing can control a control relay, which in turn
typically enables an electric strike on an entrance door next to the Door Box. Each of the two Door Box cir-
cuits in the 2PGDAD Module has an associated control relay that is automatically assigned. Each DSX-40
“built-in” Door Box port has an associated “built-in” relay that you can assign for either door control or Pag-
ing control, but not both.
The equipment you connect to a control relay must be compatible with the following specifications. Refer to
your system’s Hardware Manual for more on connecting to the control relay contacts.
Door Box Alerts
The system uses Ring Groups to control Door Box alerts. When a visitor at the door presses the Door Box
call button, the Door Box will alert (chime or ring) all the extensions in the Ring Group to which the Door
Box belongs. For example, if Door Box 309 and extensions 301 and 302 are in Ring Group 1, pressing the
call button alerts 301 and 302.
Use a Door Box to remotely monitor an entrance door.
Relay Contact Specifications
DSX-40
Contact Configuration: Normally open
Maximum Load: 0.5A @ 120 VAC
1A @ 24 VDC
Maximum Initial Contact Resistance 100 mOhms
2PGDAD Module
Contact Configuration: Normally open
Maximum Load: 500 mA @ 24 VDC
250 mA @ 120 VAC