CHAPTER 2 INSTALLATION
External Tone Source/Announcement Machine (DK/TNT/MP)
NEAX2000 IVS
2
Installation Procedure Manual
Page 196
ND-70928 (E), Issue 3.0
• If a D.C. voltage is supplied with the tone from the external tone source/announcement
machine, a transformer or coupling capacitor should be used as shown below.
Figure 2-92 Connecting External Tone Source/Announcement Machine Supplied
with D.C.
TO PBX
TO COT
Ring
Tip
K
TRANSFORMER
SOURCE
CAPACITOR
SOURCE
TO COT
Tip
K
Ring
TO CONTROL CIRCUIT
FROM PN-DK00
2µF
TO PBX
TO CONTROL CIRCUIT
FROM PN-DK00
CAPACITOR
2µF
R
R
EXTERNAL TONE SOURCE/
EXTERNAL TONE SOURCE/
DC
VOLTAGE
SOURCE
DC
VOLTAGE
SOURCE
ANNOUNCEMENT MACHINE
ANNOUNCEMENT MACHINE
Содержание NEAX2000 IVS2
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