Base station paging, Figure 2-2: base station paging – Codan Radio MT-4E Paging User Manual
Page 18

USER GUIDE | MT-4E PAGING SYSTEMS
Chapter 2: MT-4E Paging Applications
Page 10
BASE STATION PAGING
Base Station Paging is the one of simplest paging confi gurations and is shown in Figure 2-2. The
paging encoder (or terminal) connects to an MT-4E transmitter, through the paging modulator, for
broadcast over the local coverage area. A third party paging encoder generates the paging format for
either analog (tone and voice) or digital display (numeric output). The MT-4E transmitter then sends the
radio signal to the handheld pager. Optional high-power power amplifi ers are available to extend the
coverage area.
Figure 2-2: Base Station Paging
Direct Mod
RF REF
A/D Mode Control
PTT
Balanced Audio
Balanced Audio
Balanced Audio
Digital Data
Balanced Audio
A / D Select
PTT
ZETRON
Model 15/32/64
TRANSMITTER
RF OUT
PAGING
MODULATOR
PAGING ENCODER
OR TERMINAL
PAGER
TRANSMITTER
CNTL
BUS
MIC
RF OUT
A D
ANALOG
DIGITAL
NORM
OFF
KEY TX
MIC MODE
REF
IN
USB
FREQUENCY (MHz)
MADE IN CANADA
MODEL # CODE
SET
DEV
4 LEVEL
SETUP
MODE
DATA
MODE
A
D
2 LEVEL
SET
MOD
NORM
REF IN
REF OUT
PAGING
MODULATOR
DATA
INT
FREQ
REF
EXT
DATA / CTRL
PORT
PULL DOWN
TO REMOVE