Valcom V-9923B User Manual page 7

PART OF PBX
LOOP START
OUTGOING C.O.
TRUNK
(ROTARY OR T.T.)
PBX ANALOG
STATION PORT
CONNECTIONS OF V-9923B TO PABX
PART OF KEY TELEPHONE
INSTRUMENT
H.S.
N
E
T
A1
TO REST OF
KEY STRIP
CONNECTION OF V-9923B TO KEY SYSTEM
10 Vac
LG
AG GROUND
AB -24 Vdc
BG GROUND
BB -24 Vdc
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.
POWER SUPPLY CONNECTIONS
T T
R R
T TO
R RO
FIGURE 4
PART OF CONNECTING
P.U.
T
R
A 10K
L
LG
FIGURE 5
V-9923B
PART OF CONNECTING
BLOCK - ROW B
LS O/W (4)
NOTE 1
BL/BK (22)
NOTE 2 IN
V/BR (47)
AG
BR/V (48)
AB
V/S (49)
BG
S/V (50)
BB
FIGURE 6
7
W/BL (1)
BL/W (2)
W/BR (7)
BR/W (8)
V-9923B
BLOCK ROW B
W/BL (1)
T
BL/W (2)
R
G/W (6)
INH
W/O (3)
L
O/W (4)
LS
TO 10 Vac ON
POWER SUPPLY
947923