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CM16a
Amplifier Network Monitor
HARDWARE MANUAL
*TD-000086-00*
TD-000086-00
Rev. B
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¨ WARNING ¨ While QSC has endeavored to develop and produce the most depend- able and robust ‘network’ audio product for your use, due to the myriad of network situations and equipment that may be encountered in its implementation, QSC cannot be held responsible for network conflicts and associated consequences that may result. For this reason, QSC strongly recommends that the network used for implementa- tion of QSControl products be completely separate from all other networks, data or other
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TABLE OF CONTENTS: CM16a Amplifier Network Monitor Section 1: INTRODUCTION Overview...................................................................................................5 Physical Characteristics & Layout........................................................6 List of Functions & Features...................................................................8 Block Diagram.........................................................................................9 Detailed Description o
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Important Safety Information! Please review the following important safety information before operating the CM16a. Explanation of Graphical Symbols The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to humans. The exclamation point within an equilateral triangle is intended to alert the u
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Section 1: Introduction- Overview The DataPort connections are made with ordinary VGA The QSC CM16a Amplifier Network Monitor provides power- computer monitor-type cables (HD-15 male-to-male). ful amplifier management and zone paging capability in a These cables are the same type that are used on personal QSControl networked audio system using Ethernet network- computer systems to connect the monitor to the computer. ing technology to communicate with the host computer/ This allows you to use co
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Section 1: Introduction- Physical Characteristics & Layout PHYSICAL CHARACTERISTICS The CM16a is one rack space high (1RU) and has an internal, univeral 100-240V AC power supply. The chassis is 37.7 cm (14.84”) deep. The width of the chassis, less rack ears, is 43.7 cm (17.20”). For detailed mounting dimensions, refer to the Section 4: Specifications- Dimensions (page 32). The weight of the CM16a is approximately 5 kilograms (11 pounds). FRONT PANEL (numbers correspond to reference locations
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Section 1: Introduction- Physical Layout Diagram REAR PANEL (numbers correspond to reference locations shown above) 1- DataPort connectors PORT A - PORT H 2- PORT A CH 1 - PORT H CH 16 three-pin receptacles for audio inputs 3- PAGE three-pin receptacle for paging audio signal input 4- MONITOR CHAIN, IN and OUT five-pin receptacle for audio monitoring functions 5- RLY / TRG IN two-pin receptacle for remote sensing of switch closure or logic event 6- RLY OUT three-pin receptacle for output term
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Section 1: Introduction- List of Functions & Features FUNCTIONAL LISTING, BLOCK DIAGRAM & DETAILED DESCRIPTIONS The CM16a performs remote control and monitoring of amplifiers. Below is a listing of the functions available for the supported QSC amplifiers. The following two pages (Block Diagram part 1 & 2) illustrate the main functions of the CM16a. Following the diagram is a section giving detailed explanations on each functional block that will aid in the use of the CM16a. Note that not all fe
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Section 1: Introduction- Block Diagram (part 1) 9
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Section 1: Introduction- Block Diagram (part 2) 10
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Section 1: Introduction- Detailed Description of Functions AUDIO FUNCTIONS AUDIO MONITOR CHAIN FUNCTIONS Audio Inputs- These are the 3-pin terminal block connectors Pre-Fader Monitor- Monitors the audio path at the point used for balanced line level audio-signal input. This type of before the Level Control block (i.e. the input to the CM16a). connector is sometimes called“Phoenix”or “Euro” style. Post-Fader Monitor- Monitors the audio path at the point Input Sensitivity- Sets the sensitivi
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Section 1: Introduction- Detailed Description of Functions AMPLIFIER MONITORING FUNCTIONS Protect Status Detect- Reports if the amplifier has entered “protect” mode (such as thermal, over-current Amplifier Model Detect- Identifies what model of or power-up muting protect status). QSC amplifier is connected to the CM16a’s DataPort. Real Power Detect- Reports the “real” power the Amplifier Gain Detect- Reports the setting of the amplifier is delivering. This “real” power is not the amplifier’s gai
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Section 1: Introduction- Detailed Description of Functions RS-232 PORT FUNCTIONS CONTACT CLOSURE I/O FUNCTIONS RS-232 Port- The RS-232 (serial) port is used to RLY OUT- This is a 3-pin terminal block connector used communicate with the CM16a for Ethernet address for remotely controlling an electrical device in an on/off setup and other diagnostic purposes. Most users will manner (such as a cooling fan, an audible alarm, a light, etc.). An internal SPDT (single-pole, double throw) relay never h
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Section 1: Introduction- Network Description QSC CM16a Amplifier Network Monitors are designed to operate on standard 10BASE-T Ethernet. Each CM16a operates as a respective node on its network; each unit contains a programmable IP address in nonvolatile memory. To minimize network conflicts, each IP address should be unique. When shipped from the factory, the CM16a’s factory-programmed IP address is printed on a label affixed to the front panel of the unit. Record the unit’s IP address and seri
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Section 1: Introduction- Sample Network Topologies The simplest network configuration is a single system controller computer and a CM16a con- nected by a single Ethernet crossover cable. A standard Ethernet cable would NOT work. The crossover-type cable must be used when con- necting the CM16a directly to the system con- troller computer. This type of cable switches (or crosses over) the transmit and receive sig- nals from one end to the other enabling con- nection without any intermediate devi
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Section 1: Introduction- Sample Network Topologies Some networks have multiple system con- troller computers. This configuration is es- sentially the same as the second example with the addition of the second computer attached to the hub or switch. To create the more complex distributed star topologies needed for larger systems, use additional hubs or switches. Some have spe- cial uplink ports for connecting to other hubs or switches via a standard Ethernet cable. If the hubs or switches do not
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Section 2: Installation- Basics and Mounting UNPACKING There are no special unpacking precautions for the CM16a. Keep the original packing material for reuse in the rare event that service be required on the CM16a. If service is required and the original packing material is not available, adequately protect for shipment (strong box of appropriate size, sufficient packing material to prevent impact damage or load shifting). WHAT IS INCLUDED IN THE CARTON 1- CM16a Amplifier Network Monitor 2- AC
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Section 2: Installation- Mounting and AC Power MOUNTING THE CM16a (continued): The illustration below, left, shows the basic mounting technique. Support the CM16a from underneath while positioning the mounting holes in the desired location in the rack. Secure with standard rack hardware. The CM16a uses fan-drawn air for cooling. The air intake is on the left side of the chassis and the exhaust vents are on the front panel. Be certain not to obstruct these openings! Allow ample “open space” arou
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Section 2: Installation- Connections CONNECTING AUDIO INPUTS REAR PANEL- AUDIO INPUTS The audio inputs are located on the rear panel. The CM16a uses terminal block connectors for the audio inputs. They are sometimes called “Phoenix” or “Euro”connectors. These connectors al- low the installer to pre-wire the input ter- minations before the CM16a is installed in the rack. It also allows for re-routing of audio inputs by simply interchanging connector locations without the need for any tools. See A
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Section 2: Installation- Connections CONNECTING PAGE INPUT The PAGE input connections are the same as the AUDIO INPUT REAR PANEL- PAGE, RELAY & MONITOR CONNECTIONS connections. Please refer to the previous page for connector pinout. CONNECTING THE RLY/TRG IN The RLY/TRG IN connector is a two-pin terminal block connec- tor. 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
