NEC Electra Elite 48/192 Features And Specifications Manual page 261

Issue 6
SERVICE
CONDITIONS
RELATED FEATURES
LIST
D - 52
To answer a Doorphone that is ringing at another Multiline
Terminal:
1. When the Doorphone Ringing is ringing at another station, dial
the DP1, DP2, DP3, or DP4 Access Code for the specific
doorphone that is ringing.
2. The Door Lock Release Relay can be controlled while you talk
with the doorphone user.
Data Assignment:
Use Memory Block 1-7-00 (Doorphone Assignment) to enable (LED
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ON/default: LED Off) doorphones.
Use Memory Block 1-7-01 (Doorphone Display Time Selection) to
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define the time (default: 10s) before a doorphone call times out.
Use Memory Block 1-7-04 (Doorphone Ring Pattern Selection) to
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define the doorphone ringing pattern (default: ON).
Use Memory
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Selection) to define the doorphone ringing frequency (default: C).
Use Memory Block 4-03 [Doorphone Chime Assignment (Day
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Mode)] or 4-04 [Doorphone Chime Assignment (Night Mode)] to
assign Day Mode or Night Mode doorphone chime.
Use Memory Block 7-1 (Card Interface Slot Assignment) to specify
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the DPH(4)-U10 ETU.
Restrictions:
Doorphone Ringing cannot be assigned to Single Line Telephones,
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including those supported by analog port adapters.
General:
Doorphones 1 and 3 share a speech path and doorphones 2 and 4
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share a speech path. When a doorphone is busy, the speech path is
busy. Ringing indication works, but the other doorphone cannot be
answered until the speech path is idle.
Feature
Number
D-16 Door Lock Release Relays
Block 1-7-05 (Doorphone
Feature Name
Electra Elite
Ringing Frequency
Door/Monitor Telephone