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SECTION 5 1 8-450-1 00
400G OPTIO
N
S
OPT
FEATURES
SHORT
TIME DELAY
TIMEOUT
I
APPRO
X
5
SECONDS)
VISUAL
LAMP W
HOLD
CKT
w
A U DIBLE
I NT
E R R
SIG N AL
NOTES'
1. REQUIRES A MOUNTING
FACILITY REQUIPPED �ITH
AN 1B-, 20-, OR 40-PIN
CONNECTOR.
2. THE STATUS OF THE
RELAYS FOR ALL
FUNCT IONS OF THE
KTU
ARE AS FOLLOWS·
FUNCTION
INK
UPTED
R I N G
RING
SEQUENCE
LAMP �INK
SEQUENCE
LAMP
FLASH
SEQUENCE
li
INC
ANS
--'
OR
"'
RING
I NIT
HOLD
cr
CYCLE
CALL
A
R
0
R
€
B
0
R
0
P/0
c
R
0
0
INTERRUPTER
L
0*
R
0
R -
RELEASED
0 " OPERATE
*"
FOLLOWS RINGING
P/0
CONN
CO OR PBX
L
I
NE
R
KEY TEL SET
s�
PU
HOOK
KEY
NET.
•I
A1
HOLD
I
LOUD-
RG
GENERATOR
II
II
RG
LAMP
PWR SUP
•I
LG
INTERRUPTER
NR SUP
MG
20--26 VDC
�R SUP
T(CO)
R(CO)
T(STA)
A
105V
t
RN
10V
t
L�
LF
ST
MG
B BAT.
B GRO
P/0
CONN
14
1l
12
16
10
11
17
15
Fig. 1 2-Condensed Functional Schematic of 400-Type KTU (CO/PBX Line Circuits) (Sheet 1 of 2)
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