Introduction To Repeaters And Components; Overview; Repeater Stations; Repeater Controllers - Motorola CDR500 Programming Manual

Overview

This section introduces you to the CDR500 and
CDR700 Repeater Stations; outlines the major compo-
nents; physical appearance; accessories; general infor-
mation about duplexers, cables, and antenna spacing;
and basic assembly of the repeater station.

Repeater Stations

The CDR500 and CDR700 Repeater Stations are unique
products which provide low cost communications sys-
tems. These repeaters are unique because they are
designed to use off-the-shelf mobile radios for the
transmitter and receiver. This design provides addi-
tional benefits of quick repair and minimizing inven-
tory. In the CDR500 and CDR700 repeaters, all of the
necessary components (interface options and mobile
radios) are built into one cabinet. Both repeater hous-
ings allow space for two mobile radios, one or two
(CDR500 only) repeater controllers, the power supply,
a duplexer, and a preselector (CDR500 only).
A few features that distinguish the CDR500 Wall
Mount Repeater:
• Mounting
The CDR500 repeater is a wall-mount unit.
• Space for Repeater Interface Options
The CDR500 repeater cabinet has space for two
repeater interface options.
• Fan
The CDR500 repeater has a single speed (2800
rpm, 100 cfm) fan.
• Power Supply
The CDR500 has a 15 Ampere, 50% duty cycle
(20 minutes ON/20 minutes Standby) linear
power supply with battery revert operation.
• Duplexer and Preselector
The CDR500 provides spaces for mounting a
duplexer and a preselector inside the repeater
housing.
March, 2001
Introduction to Repeaters
A few features that distinguish the CDR700 Desktop
Repeater:
• Portability
The CDR700 repeater is a portable, desktop
unit.
• Fan
The CDR700 repeater has a single speed (1900
rpm, 70 cfm), thermal switch controlled fan.
• Power Supply
The CDR700 has a 15 Ampere, continuous duty
switch mode power supply.
• Duplexer or Preselector
The CDR700 provides a mounting location for
either a duplexer or a preselector inside the
repeater housing.

Repeater Controllers

The following repeater controllers are available for use
with the CDR500 and CDR700 Repeater Stations:
• Basic Controller (identical to R*I*C*K)
• Multiple Tone Community Repeater Controller
(ZR310)
• On-Site Repeater Controller (i20R)
• Advanced Interconnect Controller (ZR340)
• Digital Trunking Controller (SmarTrunk II
ST-853M)
• LTR® Compatible Controller (Zetron Model 42)
• LTR Compatible Controller with Telephone
Interconnect (Zetron Model 49)
• Multiple Tone and LTR Compatible Controller
(Trident RAIDER)
• Multiple Tone and LTR Compatible Controller
w i t h Te l e p h o n e I n t e r c o n n e c t ( Tr i d e n t
MARAUDER)
6864110R66-O
Section 1
and Components
1-1