4
SW
IT
CH
MICROPHONE ADAPTER
V-9939B
VALCOM
CABLE
SHIELDED
GREEN
RED
SHIELD
BLACK (-)
WHITE (+)
MICROPHONE
V-420
LO Z1
GN
D OU
T
LO Z2
MIC SHIELD
HI Z
VP-624B
-24
GND
A/C
+
+
OUTPUT
V-1094A
MAKE
BRE
AK
STATIONA
RY
RING
TI
P
-24
INPUT
PO
W
ER (-
24
VDC
)
PO
WE
R
(G
ND
)
*
*NOTE: V-400/450 and V-420 Microphones are wired differently. See correct diagram above.
FIGURE 3 – STAND ALONE PAGE SYSTEM
RED (+)
BLACK (-)
V-1094A
OUTPUT
INPUT
A/C
GND
-24
+
-24
+
VP-624B
SHIELD
GREEN
WHITE
SHIELDED
CABLE
MICROPHONE
ST
AT
IO
NARY
BRE
AK
MA
KE
RING
TI
P
VALCOM
V-9939B
MICROPHONE ADAPTER
POWER (
-24VDC)
POWER (
G
ND)
LO Z1
MI
C S
H
IELD
LO Z2
HI Z
GND OUT
SWI
TCH
V-450
and
V-400
*