– 252 – NWA-008841-001 Rev.5.0
90ch2002.fm
External Tone Source/Announcement Machine (DK/TNT/MP)
(1) Requirement for Customer-owned External Tone Source/Announcement Machine
Output level : Less than 0 dbm (Adjustable)
Output impedance : Less than 1 kΩ (When using PN-4COT/8COT and PN-DK00)
: Less than 10 kΩ (When using Pin Jacks on PN-TNTA)
Control Method : Start - Ground Start NOTE 1
: Stop - Ground Off (Open)
NOTE 1: The current capacity of relay contact (PN-DK00 card) is 0.125 A.
NOTE 2: When connecting the external tone source/announcement machine using the PN-4COT/8COT
and PN-DK00 cards, an appropriate diode must be installed on the MDF, as shown on the next
page. Page 253
External Tone Source/Announcement Machine (DK/TNT/MP)
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