6
947136
W/BL
BL/W
W/O
O/W
W/GR
GR/W
W/BR
BR/W
W/S
S/W
R/BL
BL/R
R/O
O/R
R/G
G/R
R/BR
BR/R
R/S
S/R
BK/BL
BL/BK
BK/O
O/BK
BK/G
G/BK
BK/BR
BR/BK
BK/S
S/BK
Y/BL
BL/Y
Y/O
O/Y
Y/G
G/Y
Y/BR
BR/Y
Y/S
S/Y
V/BL
BL/V
V/O
O/V
V/G
G/V
V/BR
BR/V
V/S
S/V
A B C
D E F
T
R
LB
L
PC
S10
S11
S12
S13
S14
S15
S16
S17
S18
S19
S20
S21
S22
S23
S24
S25
S26
S27
S28
S29
S30
S31
S32
S33
S34
S35
S36
S37
S38
S39
S0
S5
S6
S7
S8
S9
S1 IN
S2 IN
AG
AB
BG
BB
R10
R11
R12
R13
R14
R15
R16
R17
R18
R19
R20
R21
R22
R23
R24
R25
R26
R27
R28
R29
R30
R31
R32
R33
R34
R35
R36
R37
R38
R39
R0
R5
R6
R7
R8
R9
CABLE FROM
CONTROL UNIT
FIGURE 2: CONNECTIONS FOR 36 STATIONS OF BUZZER SIGNALLING
BRIDGE
STRAP
STRAP
LG
LB
T
R
LG
L
STRAP
AG
-24
AB
BG
-24
BB
POWER
SUPPLY
TELEPHONE
SETS
MULTIPLE TO
ALL PHONES
SPLIT BLOCK
66B350
BUZZER
AT EACH
STATION
18 VAC
BUZZ
BUZZ
GND
BUZZ
BUZZ
BUZZ
