3

UPAM Front Panel

Installation Manual
405899972
AT&T
UPAM Universal Paging Access Module
BGM
IN
MODE OFF
ON
24 VDC PWR SUPPLY
—
S1,S2
48 VDC PWR SUPPLY PHONE SYSTEM
T
S1,S2
—
CONFIRMATION TONE S3 S4
R
+M
PREANNOUNCE TONE S4
S3
EXT VOX ENABLE
-M
VOX DISABLE S5
—
PT
VOX ENABLE
—
S5 PAGING OUTPUT
PR
PAGE PORT CONTACT CLOSURE N.O.
INPUT
COM
POWER SUPPLY
+24/48
-24/48
MODE
SWITCHES BGM
VOL
MIN MAX
MIN
MAX MIN MAX
CONTACT CLOSURE B
TONE VOL.
VOX DELAY
PAGING TIME
N.O.
COM

Important Power Supply Note

One of two types of power supply are shipped with the UPAM-K. The drawings below will assist you

in locating the proper terminals so that you can connect it to the UPAM correctly.

Note:

the order of the terminals differs from one supply to the other.

Be sure to observe correct polarity

when connecting power supply.

117V
200 mA
60 Hz
MODEL PRS-48
CAUTION: FOR INDOOR USE ONLY
48 V
200mA
117 V
200 MA
60HZ
CAUTION: INDOOR USE ONLY IN
A CONTROLLED ENVIRONMENT
CLASS 2 POWER SUPPLY
AC - 48VDC +
GND 100MA
AC
GND
+-