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System & Station
Program 77-1 – Peripheral Options (Door Phones)
Strata DK Programming 5/00 3-167
System & Station
LED 06: NT Relay
A relay located on the PIOU, PIOUS, PEPU, DK14 KSU or DK40i KSU can be assigned to
operate in one of two Night Transfer modes (see next item, MOH/NT Relay).
♦ DK14: Activate the NT Relay in the DK14 KSU before setting the specific Night Transfer
mode with LED 06.
♦ DK40i: Activate the NT Relay on the PIOU or PIOUS with LED05, or activate the NT Relay
on the DK40i KSU with LED 01 before setting Night Transfer mode with LED 06.
In one mode, the relay will activate for one second, then be idle for three seconds when a line rings
(incoming) while the system is in the Night mode. The intended application is to control an
external ringing device at night.
Program 78 or Program 71 (1~3, Code #271) must have Ring Over External Page activated for this
feature. In the second mode, the relay will operate continuously while the NIGHT mode is
activated. One application for this mode is to control an external answering machine.
CO lines must be assigned to night ring over External Page (Program 78-1) to allow the NT relay
to operate when incoming CO lines ring.
LED 05: MOH/NT Relay (DK40i, DK424)
A relay on the PIOU, PIOUS, or PEPU can be assigned to operate in one of two applications. A
choice must be made between use for Night Transfer application (see NT Relay, LED 06) or
Music-on-Hold (MOH). If used for MOH, the relay will activate when any trunk or station is
placed on hold. The intended application is to control a tape player which can be used as a Music-
on-Hold source.
LEDs 02 and 01: MOH/NT/External Page Relay (DK14 and DK40i)
For KSU relay to MOH, LEDs 01 and 02 must be On.
For NT function, LED 02 must be On, LED 01 Off.
For External Page function, LED02 must be Off, LED 01 can be On or Off.