Specifications

IM166-107
External Paging Interface
-
Line Port
You can use class of service programming to convert
a line port to be an AUXILIARY port. As an
AUXILIARY port, a user can use it to couple a
telephone to an external paging device that you have
wired to the line port. He or she does this from any
station with that line presence by pressing the proper
line button to select the AUXILIARY port. The user
can dial DTMF tones or dial pulses through the
AUXILIARY port as needed. The paging enable relay
Installation
closure feature discussed previously is not available
for use with this installation.
0
Connect the audio input of a customer-supplied
external paging amplifier to the tip and ring leads of
the AUXILIARY port as shown in
Figure 3-l 1
below.
0
You can install a DTMF tone select, zone-paging
amplifier if you wish.
If do you install this type of
amplifier, the user must dial the zone-select code
after he or she presses the AUXILIARY port line
select button.
Program line port asProgram line port as
auxiliary
port
and connect
auxiliary
port
and connect
PA system to tip and ring
PA system to tip
and ring
that
port.
PA System
RING 3
w
!
TIP3
L
TIP 4
LINETERMINATION
‘TYPE
66MXX
CONNECTOR BLOCK
OR
‘INDIVIDUAL
6-POSITION
MDDULAR JACKS
________I______-____----------
------
CM01
Figure 3-11. Typical External Paging Connection
-
Line Port
ii
3-27