QSC Audio CM16a manual Connecting page Input, Connecting the RLY/TRG, Connecting the RLY OUT

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Section 2: Installation- Connections

CONNECTING PAGE INPUT

The PAGE input is identical to the AUDIO INPUT connections.

REAR PANEL- PAGE, RELAY & MONITOR CONNECTIONS

Please refer to the previous page for connection guidelines.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONNECTING THE RLY/TRG IN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The RLY/TRG IN connector is a two-pin version of the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

“Phoenix”-type connector. When using this input for a switch-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

closure (or opening) event, the two terminals should be

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

connected to the switch contacts directly. This type of event

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

detection can be used with relay contacts as well. If used

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

with a logic-type device, the low-end of the logic connection

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

should be connected to the minus (–) terminal and the active-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

end should be connected to the plus (+) terminal. This input

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

is compatible with TTL & CMOS logic family devices. For the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

defined limits of input to this connector , please refer to the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

specification section.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONNECTING THE RLY OUT

The RLY OUT connector provides access to the internal relay’s contacts for remotely controlling an external low voltage device or circuit. This internal relay is rated for 70V (DC or ACrms), 250 mA (switched) and is isolated from ground. There is one common terminal, one normally-closed contact terminal and one normally- open contact terminal. These are labeled as C, NC and NO on the rear panel. When the relay is not energized, the C terminal is connected to the NC terminal and the NO terminal is not connected; when the relay is energized the C to NC connection is opened and the C to NO connection is closed.

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CONNECTING THE MONITOR CHAIN IN/

OUT

The MONITOR CHAIN connector is a five pin version of the “Phoenix”-type connector. The center pin is the shield connection for both the input and output of the monitor chain. Note also that the positive terminal of the input and output connections are on the outer pins of this connector.

DO NOT CONNECT VOLTAGES EXCEEDING 70 VOLTS (DC or AC rms) TO THE RLY OUT CONNECTOR! DAMAGE TO THE CM16a COULD RESULT OR CREATE HAZARDOUS OPERATING CONDITIONS!

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Contents CM16a Amplifier Network Monitor ¨ Warning ¨ Table of Contents CM16a Amplifier Network Monitor Federal Communications Commission FCC Information Introduction- Overview Introduction- Physical Characteristics & Layout Physical CharacteristicsIntroduction- Physical Layout Diagram Introduction- List of Functions & Features Functional LISTING, Block Diagram & Detailed DescriptionsIntroduction- Block Diagram part Introduction- Block Diagram part Introduction- Detailed Description of Functions Introduction- Detailed Description of Functions Amplifier Monitoring FunctionsRS-232 Port Functions Introduction- Network Description Introduction- Sample Network Topologies Introduction- Sample Network Topologies Installation- Basics and Mounting What is Included in the CartonUnpacking Location ConsiderationsInstallation- Mounting and AC Power Connecting AC PowerInstallation- Connections Connecting Audio InputsConnecting page Input Connecting the RLY/TRGConnecting the RLY OUT Connecting the Monitor Chain OUTConnecting to the RS-232 Port Connecting to AmplifiersInstallation- Rear Panel Detail Installation- Hookup Example Safe levels ANY time Bypass mode is used Operation- GeneralOperation- LED Behavior & Bypass Switch Usage There are two distinctly different Bypass modesOperation- Bypass Switch Usage Uploading a new application file Tftp file transferOperation- Serial Port I/O Interface Xon/Xoff IP Address Assignment Only Required for Attaching to Existing NetworksOperation- Telnet Access Operation- Fuse Replacement Fuse ReplacementSpecifications- Dimensions Power amplifier output processing SpecificationsInput Signal Processing Contact closure inputs and outputs Power amplifier managementControl room foldback monitoring General Network InterfaceRS232 Port ARCHITECT’S and ENGINEER’S Specifications Appendix- Ethernet Cable Pinouts Ethernet CablingDescription Encode Signals Appendix- DataPort Pin-out & Connector P-N’sPin Signal Description How to Contact QSC Audio Products
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CM16a specifications

The QSC Audio CM16a is a versatile and powerful amplifier designed to meet the demands of professional audio applications. Known for its reliability and performance, the CM16a is ideal for both live sound and installation scenarios, offering a perfect blend of advanced technology and user-friendly features.

One of the standout features of the CM16a is its Class D amplifier architecture. This technology ensures not only high efficiency but also a lightweight design, making it easier to transport and install in various settings. The amplifier delivers an impressive output power of 1600 watts at 4 ohms, providing ample headroom for demanding audio applications. The CM16a is capable of handling multiple speaker configurations, making it a flexible choice for various setups.

Another key characteristic of the QSC CM16a is its advanced thermal management system. This built-in feature ensures the amplifier operates within safe temperature limits, enhancing reliability and extending the lifespan of the unit. The CM16a also includes an intelligent protection circuit that safeguards the amplifier from overload and short circuits, allowing users to operate it confidently even during intense performances.

The CM16a comes equipped with multiple inputs and outputs, including XLR and TRS connectors, enabling seamless integration with a range of audio sources and systems. This versatility allows for easy connection to mixers, microphones, and instruments, making it suitable for diverse applications from concerts to corporate events.

In addition to its robust performance, the QSC CM16a features an intuitive front panel design with LED indicators for quick monitoring of system status and performance. Users can easily adjust levels and settings, ensuring optimal audio quality for any given situation.

The amplifier is also designed with efficiency in mind, incorporating Power Factor Correction (PFC) technology. This enhances power usage, reducing operational costs while minimizing environmental impact.

In conclusion, the QSC Audio CM16a stands out as a premier choice for audio professionals seeking a reliable, high-performance amplifier that can deliver exceptional sound quality. With its Class D technology, advanced protection features, versatile connectivity, and user-friendly design, the CM16a is a worthy investment for any audio application. Whether for live sound reinforcement or permanent installations, the CM16a promises to meet the needs of even the most demanding audio environments.
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