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8
947923
BK/BL
BL/BK
Diode 1N4003 or eq.
(Portion of
Connecting
Block)
DC Power Supply
depends on relay
requirements
Relay Coil
FIGURE 7
CONNECTIONS OF V-9923B FOR
OPERATING A DC SLAVE RELAY
THREE DIGIT
OPERATION
TWO DIGIT
OPERATION
NO CODE
VERIFICATION
CODE
VERIFICATION
MUST BE IN THE ON POSITION
SOLID
LAMP
FLASHING
LAMP
SW
OFF
ON
1
2
3
4
2 DIGIT CODES: 11-19, 21-29, ., 91-99
3 DIGIT CODES: 111-119, 121-129,
...., 991-999
OFF ON
FIGURE 8
OPTION SWITCH SETTINGS
LINE
SUPERVISION
BATTERY
FEED
RING
DETECTOR
K2
TONE OR ROTARY
PULSE DECODING
OSC. AND
AMPLIFIER
LOGIC AND
MEMORY
K1
TT
40
RT
15
OUT
36
IN
11
TONE
OUTPUT
SW ITCHED
RELAY
OUTPUT
K1
K3
TO ANALOG
STATION OF
PBX (ANSW ER)
TO
29
RO
4
T
26
R
1
K2
K2
TO PBX TRUNK OR
SPARE LINE BUTTON
ON TELEPHONE
(ACCESS)
K4
LS
INHIBIT
CIRCUIT
CONTROL
CIRCUIT
EP1
2
L
27
INH
3
LAMP SUPPLY
LAMP ON LINE BUT.
"A" LEAD OF LINE BUT.
47
EP2
22
TO NEXT
V-9923B
K3
VOLT
REG.
A GND.
A BATT.
B GND.
B BATT.
FIGURE 9
V-9923B SIMPLIFIED SCHEMATIC
K1
OUT
IN