Valcom V-1109RTHF User Manual page 7

PABX
LOOP START
TRUNK PORT
OR
E-KEY
C.O. BUTTON
POSITION
-
45 OHM
+
TALKBACK
SPEAKER
W/OPTIONAL
T
LED
R
45 OHM T
TALKBACK
SPEAKER R
COLD
WATER PIPE
GROUND
T
R
LED 1
LED 9
RET
SPK1
RET
SPK2
RET
SPK9
AG
AB
BG
BB
NOTE: IF USING KEY SYSTEM POWER SUPPLY,
VALCOM
ELECTRICAL DEFINITIONS
VP-624
B
POWER SUPPLY
7
V-1109RTHF
CONNECTING BLOCK
A B C D E
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
CONNECT AG, AB, BG, & BB V-1109RTHF
TERMINALS TO CORRESPONDING POWER
SUPPLY TERMINALS
AG: TALK GROUND (+)
AB: -24VDC TALK BATTERY (FILTERED)
BG: SIGNAL GROUND (+)
BB: -24VDC SIGNAL BATTERY (NON FILTERED)
F