MIRCOM TECHNOLOGIES LIMITED, ADC Series: Autodialer Telephone Access Systems Page 18
ELEVATOR-RECALL(RESTRICTION) FEATURE
GENERAL OPERATION
Elevator-Recall(Restriction) is now a standard feature which has been implemented in the ADC Series system for
software version 3.0 and up. The feature operates as such: a visitor calls a resident, is then allowed entrance at
which point the entry door is opened and the floor relay is activated. When the visitor gets on the elevator, he can
only access the floor of the resident. This feature is supported from both the Lobby as well as remote door points-of-
access. The feature operates by allowing the installer to (directly) associate the first two digits of the Resident/Tenant
Code which a visitor would enter on the lobby keypad (i.e. when trying to call a Resident Suite), with an elevator
recall(restriction) relay number. This reserved relay will be activated only after a Resident makes the decision to
allow the visitor access to the building (i.e. when the Resident presses the digit which has been programmed to
activate the main/remote door latch), so that the main/remote door latch and elevator recall relay are activated at
the same time and for the same length of time. We suggest a separate timer be used for each elevator floor relay.
Note: In order to have the Elevator-Recall (Restriction) function, a relay cabinet (with Model 9512E Elevator-Recall
Relay Cards installed) is required and it must be jumpered in the 16th position as shown in Fig. 11A.
The first two digits of the Resident/Tenant Code allow for a range from 01-95 relays to be reserved for this purpose.
The relay cabinet has space for 8 cards, each card containing 12 relays. The very last relay in this cabinet is however
NOT available, as it is always reserved for use by the ADC system. Thus relays 1 to 95 are available for Elevator-
Recall (Restriction).
As an example, take the two Resident/Tenant codes “1201" and “1215", both these codes would activate the same
reserved relay number 12. For the purposes of the Elevator-Recall (Restriction) functionality, it is assumed that both
Resident/Tenant Codes (i.e. 1201 and 1215) would be assigned to Residents on the same (i.e. 12th) floor. Thus,
a maximum of 95 possible relays (each assigned to a separate floor) can be accessed in this manner.
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