7
947923
PART OF PBX
LOOP START
OUTGOING C.O.
TRUNK
(ROTARY OR T.T.)
PBX ANALOG
STATION PORT
T
R
T
R
T
R
TO
RO
W/BL (1)
BL/W (2)
W/BR (7)
BR/W (8)
FIGURE 4
CONNECTIONS OF V-9923B TO PABX
T
R
W/BL (1)
BL/W (2)
PART OF CONNECTING
BLOCK ROW B
INH
L
G/W (6)
W/O (3)
O/W (4)
LS
TO 10 Vac ON
POWER SUPPLY
T
R
A
L
LG
P.U.
10K
N
E
T
TO REST OF
KEY STRIP
A1
H.S.
PART OF KEY TELEPHONE
INSTRUMENT
FIGURE 5
CONNECTION OF V-9923B TO KEY SYSTEM
V-9923B
LS
IN
O/W (4)
BL/BK (22)
AG
AB
V/BR (47)
BR/V (48)
V/S (49)
BG
V-9923B
S/V (50)
BB
10 Vac
LG
AG GROUND
AB -24 Vdc
BG GROUND
BB -24 Vdc
NOTE 1
NOTE 2
NOTES:
1. LS CONNECTED TO 10 Vac ONLY WHEN
USING KEY TELEPHONE.
2. IF SWITCHING OUTPUT IS BEING USED
INSTEAD OF TONE OUTPUT, STRAP IN
LEAD TO OUTPUT TO BE SWITCHED.
IF TONE OUTPUT IS USED, IN LEAD
HAS NO CONNECTIONS.
PART OF CONNECTING
BLOCK - ROW B
FIGURE 6
POWER SUPPLY CONNECTIONS