Advertisement
Advertisement
Table of Contents
Related Manuals for CPI TR20
Summarization of Contents
Installation
Phone lines
Guidelines for connecting TR series remotes using leased or in-house twisted pair wiring.
Parallel operation
Instructions for connecting multiple remotes in parallel and managing impedance.
Level Setting
Procedures for adjusting audio input, output, and notch filter settings for optimal performance.
Jumper Settings
Table 1: Jumpers
Lists the 9 'Dot' jumpers on the TR series circuit board and their functions.
Table 2: Dip Switch Settings
Details the functions and factory settings of the unit's dip switches.
Circuit Analysis
Receive Audio Path
Explanation of the audio signal flow from the phone line to the speaker/handset.
Transmit Audio Path
Description of the audio signal path from the microphone to the phone line.
Transmit Mode
Details the operation of the unit when the PTT line is activated.
PCB View - Control Panel
Component Side
Diagram showing the layout of components on the control panel's component side.
Solder Side
Diagram illustrating the component layout on the control panel's solder side.
Schematics
Schematic - Sheet 2
Detailed circuit diagram for the TR Series Tone Remotes, covering main PCB and control panel sections.
Schematic - Sheet 3
Detailed circuit diagram for the TR Series Tone Remotes, covering main PCB and control panel sections.
Schematic - Sheet 4
Detailed circuit diagram for the TR Series Tone Remotes, covering main PCB and control panel sections.
Schematic - Sheet 5
Detailed circuit diagram for the TR Series Tone Remotes, covering main PCB and control panel sections.
Need help?
Do you have a question about the TR20 and is the answer not in the manual?
Questions and answers