Specifications
Installation
IMI 66-064
COMMON AUDIBLE AND AUXILIARY
STATION
INTERFACE (STATION
17
AUDIBLE)
Two sets of relay closure dry-contact points are
available. These are located at the J-l and J-2
connector blocks for models NO61 6, N0820, and
N1024 and at the barrier-type terminal strip on the
model NO308 common equipment cabinet. These
closures track the ringing pattern. They are closed
during the ringing period and open during the silent
period. Figure 3-6 shows connection details for this
feature.
l
Station 17 Audible: (J-l connections 49 and 50)
provides a dry-contact closure whenever system
station 17 rings.
l
Common Audible: (J-2 connections 49 and 50)
provides a dry-contact closure whenever any of the
TELCO/PBX lines, connected to the common
equipment, ring.
pmq
Do not exceed a 1 amp at 24 volts (-5 amp
at 48 volts) load on these control terminals.
If the load requirements exceed this limit,
connect the load through an external slave
relay. DO NOT CONNECT THESE
CONTROL TERMINALS DIRECTLY TO THE
117VAC LINE.
CONNECT TO EITHER STATION 17 AUDIBLE
r”“-““-~
. OR COMMON AUDIBLE TERMINALS
A
! COMMON
\C> '
1 EQUIPMENT \ ;
1 INTERNAL
24v TokA MAX
OUTPUT AS ’
i SWITCHING \> I
,
L---.---m---
+ b .“i”AX R~i!!‘!~E:Ok~
A
.
LOW
r
“pOKRFE
SUPPLY
3
AC
r-t
VOLTAGE CLAMPING
DIODE RECOMMENDED
AC OR DC
S I ;;$i;N G
AS REQU
0
POWER
SOURCE
0
INPUT
IRED
BLOCK
47--l--
48 -4--
- 49-4--
COUYON AUDIBLE -
50 --I--
ON J2 CONNECTOFI
CLIP TERMINALS
BLOCK
CONNECTOR BLOCK
(MODELS N0616,N0820,
AND N 10241.
/ /
COMMON AUDIBLE
BARRIER SIR IP
(MODEL NO3081
Figure 3-6. Common Audible and Auxiliary Station Interface
ec
3-l 2