TO STATION
CONNECTIONS
CODES 51 ,
52 OR 53
TO COAM
[
AMPLIFIER
[
T
R
A
A1
BZ1
BZ
-24B
B GRD
BY1
BZ1
BZ2
CT
CR
-
v
GRD
0
A
0
C1
0
C2
ISS
1 ,
SECTION
5 1 8-4 1 1 - 1 00
278A ADAPTER
( NOTE 2 )
: :J
( NOTE
1 )
C o
D o
: :J
( NOTE
1 )
: :J
( NOTE
1 )
K
0
TO BACKGROUND
[
MUSIC SOURCE
TO OTHER
[
278A ADAPTERS
M2
NOTES:
1 . OPTION PLUGS MUST BE POSITIONED IN E-F AND G-H ON
ONE ADAPTER ONLY - LEAVE PLUGS STORED ON SECOND AND
THIRD ADAPTER . POSITION PLUG IN A-B ON ALL ADAPTERS
2. ADD CONTINUOUS RING OPTION TO ASSOCIATED 484A KTU.
Fig. 7-278A Adapter Connections for Paging Access
5.09
Any 6B KTS station can make a paging call
as follows:
(1) Paging station goes off-hook and dials 71,
72, 73 for desired paging zone or code 70
if all zones are to be paged.
(2) The 278A adapter associated with the zone(s)
will disconnect the background music if
provided and connect the paging station to the
amplifier. No alerting tone will be sent through
the speakers but the paging station will hear
acknowledgment tone.
(3) Paging station can now make announcement
to speakers using telephone handset.
CO/PBX LINE ACCESS
5 . 1 0 All 6 B KTS stations can access u p t o eight
CO/PBX lines under the following conditions
only:
•
While ringing is applied to the line
•
If the line has been placed on hold through
the associated key system line circuit.
Page 23
BSP 518-411-100-i01 1978-08-23.jpg Scanned by Frank Harrell, (Cowboy
Frank) Castle Rock, Colorado Oct 15, 2012 2 1 :02:22