A- Typical Paging from a Telephone System Page Port with
Control Contacts
1 - Connect voice source to
pins 1 & 2
2 -Connect page control to
pins 5 & 6
3 -Set DIP switches as shown
Setting of DIP switch 6
(Pre-tone enable) to the ON
position is optional.
Note: The input impedance of
pins 1 & 2 is 600Ω
balanced.
B- Typical Paging from a Telephone System Page Port without
Control Contacts 1 - Connect voice source to
pins 1 & 2
2 - Set DIP switches as shown
Setting of DIP switch 6
(Pre-tone enable) to the ON
position is optional.
3 - Adjust VOX control
accordingly.
(See page 4)
Note: The input impedance of
pins 1 & 2 is 600Ωbalanced.
C- Typical Paging from a Telephone System C.O. Port or a
Telephone Set
This configuration is normally
used in applications where a
telephone system is not
equipped with a page port.
1 - Connect Tip and Ring wires
to pins 1 & 2 respectively
2 - Set DIP switches as shown
Setting of DIP switch 6
(Pre-tone enable) to the ON
position is optional.
123456
TR
From
telephone
system
C.O. port
123456
ON 7
789
123456 VOX
From
telephone
system
page port
123456
ON 7
789
D- Typical Paging / Public Address using a Microphone and
VOX Control for Music Mute
1 - Connect mic to pins 1 & 2
2 - Connect Mic shield to pin 3
3 - Set DIP switches as shown
Setting of DIP switch 6 (Pre-tone
enable) to the ON position is
optional.
4 - Set VOX control
accordingly.
(See page 4)
Note: Microphone used must be
a 600Ωbalanced type.
E- Typical Paging / Public Address using a Microphone without
Background Music.
1 - Connect mic to pins 1 & 2
2 - Connect Mic shield to pin 3
3 - Strap pins 5 & 6
4 - Set DIP switches as shown
Setting of DIP switch 6
(Pre-tone enable) to the ON
position is optional.
Note:Microphone used must be
a 600Ωbalanced type.
F- Typical Background Music 1 - Connect music source to
pins 3 & 4
Note:The input impedance of
pins 3 & 4 is 10kΩ
unbalanced.
Important:
A shielded audio cable must
be used to avoid any
induced hum or oscillations.
Be sure the shield is
connected to pin 3 while the
center signal conductor is
connected to pin 4.
123456
Aux
Tuner or Casette
Output
78
Signal Ground
9
123456
123456
ON
Balanced
Microphone
7
789
123456
123456
ON
Balanced
Microphone
7
789
6
123456
Page Control
contacts
From
telephone
system
page port
123456
ON
78
7
9
THREE (3) YEAR LIMITED WARRANTY
NCI warrants its products to be free from defects in material and workmanship under normal use and service for a period of three (3) years after delivery to the ultimate
user. At our discretion, NCI will repair-free-of charge or replace at no charge a product should it, upon examination, be proven defective and under warranty. NCI
reserves unto itself the sole right to make the final decision whether there is a defect in materials and/or workmanship, and whether or not the product is within the
warranty.
This warranty shall not apply to any NCI product which has been subject to misuse, neglect, accident, or used in violation of instructions furnished, nor extended to units
which have been repaired or altered outside of the factory.
This warranty covers bench repairs only. Any repairs must be made at the shop or place designated in writing by NCI. NCI will not be responsible for any costs
incurred involving on-site calls.
All implied warranties, including any implied warranty of merchantability or fitness for any particular purpose, are limited in duration to three years from date of original
purchase. In no event will NCI be responsible for consequential damages resulting from the use of this product.
© NCI 0003 V1.1 - All rights reserved.
Installation Examples
