Motorola Gr300 Zr310 Community Repeater 6880902z68 C Manual

 
Radius GR300 
ZR310 Community Repeater 
Panel 
Service Manual 
 
 
 
6880902Z68-C 
March, 1993 
  

 
Table Of Contents 
ZR310 Community Repeater Panel 
 
Section 1
 
Introduction 
Overview 
Standard Configuration 
....... System Functions 
....... User Functions 
Physical Description 
Section 2 
Installation 
Overview 
Equipment Required For Installation 
Installation Procedures 
Assembly 
.......Install the ZR310 into the GM300 
.......Fan Installation 
...... Initial Turn-On 
...... Diagnostic Commands 
...... Programming 
Section 3 
Operation 
Overview   
Basic Operation  
...... TPL Tones and DPL...

 
Table Of Contents 
ZR310 Community Repeater Panel 
 
Section 4 
Theory of Operation 
Overview  
Circuit Description  
...... Microprocessor  
...... Serial Communications 
….. TPL/DPL Decoding  
...... DTMF Decoding 
...... TPL Encoding 
...... DPL Encoding 
...... Beep Tone Encoding 
...... Squelch/Repeat Audio  
...... CSQ Input 
Section 5 
Maintenance 
Overview  
Preventive Maintenance 
...... Visual Inspection 
...... Cleaning 
...... Diagnostic Commands  
Disassembly 
...... Removal  
...... Top...

 
Table Of Contents 
ZR310 Community Repeater Panel 
 
............ User Programmable Fields 
.................. Enable a User  
.................. Reserve a User 
.................. Receive (RX) Squelch Decode 
.................. Station ID Call Sign  
.................. Transmitter Hang Time  
.................. TPL/DPL Encode During Transmitter Hang Time 
.................. Privacy Mode (Barge-In) 
.................. Courtesy Tone  
.................. View All Users  
.................. Radio...

 
Table Of Contents 
ZR310 Community Repeater Panel 
 
............ Diagnostic Commands  
.................. PTT On/Off (Key the Transmitter) 
.................. Open/Close Audio Path  
.................. Audio Test Tone 
.................. Encode a TPL Tone or DPL Code 
.................. TPL Tone Sweep Start/Stop 
.................. List the Number of Enabled Users 
.................. List the Enabled User Numbers  
.................. List Resets. Power Fails, Program Access  
.................. System...

 
Section 1 
Introduction 
Overview 
The ZR310 is a community repeater panel (Figure 1-1) which provides individualized repeater service for up to 70 customers or customer 
groups on a single RF channel. It acts an interface between a GM300 transmit radio, and a GM300 receive radio, providing TPL and DPL 
encode/decode, repeat audio processing, and all timer functions. An internal database holds the various attributes associated with each user 
group. Nearly all of the ZR310s functions can be customized...

 
Section 1
 
Introduction 
User Functions 
In the ZR310, assigned user numbers are the equivalent to the 70 plug-in tone cards contained in a conventional community repeater panel. 
The following steps describe the process the ZR310 uses to find user information. 
1.  The ZR310 detects a code or tone.  
2.  The code / tone is decoded to a user number.  
3.  The user number points to the area in the database containing information about that particular user. Re to Table 3-1 for code / tone 
to number...

 
Section 1
 
Introduction 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
March, 1993  6880902Z68-O  Section 1-3 

 
Section 2 
Installation
 
Overview 
This section explains how to install the ZR310 community Repeater Panel into the GR300 and complete the cable connections that wer e 
started in the Installation section of the GE300 Maintenance Manual. If you require access to the indicators, jumpers, or other components, 
refer to the Maintenance section for disassembly procedures. 
Equipment Required For Installation 
The following equipment is required for installation: 
• a communications service monitor and ONE...

 
Section 2 
Installation
 
 
 
Figure 2-1. ZR310, Rear View
 
 
Figure 2-2. Power Supply, Rear View 
 
Figure 2-3. Duplexer, Rear View 
 
March, 1993  6880902Z68-O  Section 2-2