AT&T UPAM-K Typical Connection to a Lo-Z/600 ohm input

Installation Manual
15
PAGING AMPLIFIER WITH 600 OHM TELEPHONE INPUT
VOX
SENS TREBLE BASS
BACKGROUND MUSIC SOURCE
POWER
PEAK
LEVEL
PAGE
VOL
MUSIC PUSH TO RESET
CIRCUIT BREAKER
MUTE
VOL
RING TIP COM 70.7V
MIC
VOLUME
405899972
AT&T
UPAM Universal Paging Access Module
48 VDC PWR SUPPLY
CONFIRMATION TONE
PREANNOUNCE TONE
VOX DISABLE
VOX ENABLE
S1,S2
S3
S4
S5
—
—
S4
S3
—
S5
BGM
IN
MODE OFF ON
24 VDC PWR SUPPLY
—
S1,S2 PHONE SYSTEM
T
R
+M
EXT VOX ENABLE
-M
PAGING OUTPUT
PT
PR
PAGE PORT
INPUT CONTACT CLOSURE
N.O.
COM
POWER SUPPLY
+24/48
-24/48
MODE
SWITCHES
BGM
VOL
MIN
MAX MIN MAX
MIN
MAX
TONE VOL VOX DELAY PAGING TIME CONTACT CLOSURE B
N.O. COM LOUDSPEAKERS
Typical Connection to a Lo-Z/600 ohm input