Door Lock Release Relays - NEC Xen IPK Features & Specifications Manual

Door Lock Release Relays

FEATURE
DESCRIPTION
SYSTEM
AVAILABILITY
OPERATING
PROCEDURES
SERVICE
CONDITIONS
Features and Specifications Manual
Door Lock Release Relays are provided by the DPH(4)-U( ) ETU. While a
station user is talking to a Doorphone, an Access Code can be dialled to
operate the relay associated with that Doorphone. Each Doorphone has a
relay associated with it and the relay can only be operated while talking to
the Doorphone.
The door lock release relay break time can be controlled by the station user
per call.
Terminal Type
All Multiline Terminals.
Required Components
DPH(4)-U( ) ETU
DP-D-1D Unit
While a Multiline Terminal is talking to a Doorphone :
1. Dial a single digit code
make time.
Note: Make means shorted or closed.
2. Dial a single digit code
again. This step is optional as the relay breaks after some time
anyway (controlled in step 1).
Door Lock Release Relays cannot be controlled by Single Line
Telephones.
Relay make times are flexible.
Dial Time
2 2 Seconds
4 seconds
3
4 6 seconds
5 8 seconds
6 10 seconds
D-15
B I
~ to control the door-to-lock release
A J
or to make the relay break open
Dial Time
12 seconds
7
14 seconds
8
9 15 seconds
1 Break (open)
* Break (open)
D15 – 283