Manual QSC Audio CM16a

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  • QSC Audio CM16a - page 1

    CM16a Amplifier Network Monitor HARDW ARE MANUAL *TD-000086-00* TD-000086-00 Rev . B ...

  • QSC Audio CM16a - page 2

    ¨ 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 reaso ...

  • QSC Audio CM16a - page 3

    T ABLE OF CONTENTS: CM16a Amplifier Network Monitor Section 1: INTRODUCTION Overview ...................................................................................................5 Physical Characteristics & Layout........................................................6 List of Functions & Features..................................... ...

  • QSC Audio CM16a - page 4

    CAUTION: To reduce the risk of electric shock, do not remove the cover. No user-serviceable parts inside. Refer servicing to qualified service personnel. WARNING: To prevent fire or electric shock, do not expose this equip- ment to rain or moisture. CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN SAFEGUARDS Electrical energy can perform many useful func ...

  • QSC Audio CM16a - page 5

    Section 1: Introduction- Overview The QSC CM16a Amplifier Network Monitor provides power- ful amplifier management and zone paging capability in a QSControl networked audio system using Ethernet network- ing technology to communicate with the host computer/ system controller. The host computer uses the QSControl application software to operate the ...

  • QSC Audio CM16a - page 6

    Section 1: Introduction- Physical Characteristics & Layout FRONT P ANEL (numbers correspond to reference locations shown in illustration above) 1- POWER switch 2- Cooling air exhaust vents (intake vents are located on left side of chassis as viewed from the front) 3- POWER on indicator 4- DIAGNOSTIC indicator 5- RCV , XMT and LINK STATUS networ ...

  • QSC Audio CM16a - page 7

    Section 1: Introduction- Physical Layout Diagram REAR P ANEL (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 monito ...

  • QSC Audio CM16a - page 8

    Section 1: Introduction- List of Functions & Features FUNCTIONAL LISTING, BLOCK DIAGRAM & DET AILED 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 ...

  • QSC Audio CM16a - page 9

    Section 1: Introduction- Block Diagram (part 1) 9 ...

  • QSC Audio CM16a - page 10

    Section 1: Introduction- Block Diagram (part 2) 10 ...

  • QSC Audio CM16a - page 11

    Section 1: Introduction- Detailed Description of Functions AUDIO FUNCTIONS Audio Inputs - These are the 3-pin terminal block connectors used for balanced line level audio-signal input. This type of connector is sometimes called“Phoenix”or “Euro” style. Input Sensitivity- Sets the sensitivity of the Audio Inputs to either 1 Volt or 3 Volts ( ...

  • QSC Audio CM16a - page 12

    Section 1: Introduction- Detailed Description of Functions AMPLIFIER MONITORING FUNCTIONS Amplifier Model Detect- Identifies what model of QSC amplifier is connected to the CM16a’s DataPort. Amplifier Gain Detect - Reports the setting of the amplifier’s gain setting (in dB) for each channel. Bridge Mode Detect- Detects the position of the bridg ...

  • QSC Audio CM16a - page 13

    Section 1: Introduction- Detailed Description of Functions RS-232 PORT FUNCTIONS RS-232 Port- The RS-232 (serial) port is used to communicate with the CM16a for Ethernet address setup and other diagnostic purposes. Most users will never have a need to access the RS232 port, but for customized networks and for troubleshooting system problems, it may ...

  • QSC Audio CM16a - page 14

    Section 1: Introduction- Network Description 14 QSC CM16a Amplifier Network Monitors are designed to operate on standard 10 BASE -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 ...

  • QSC Audio CM16a - page 15

    Section 1: Introduction- Sample Network T opologies 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 typ ...

  • QSC Audio CM16a - page 16

    Section 1: Introduction- Sample Network T opologies 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 hub ...

  • QSC Audio CM16a - page 17

    Section 2: Installation- Basics and Mounting UNP ACKING 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 ...

  • QSC Audio CM16a - page 18

    Section 2: Installation- Mounting and AC Power CONNECTING AC POWER The CM16a uses a detachable IEC standard power cord for connecting to a grounded AC source. To connect power to the CM16a: identify the proper end of the cord, match the orientation of the receptacle on the rear panel and insert firmly into the receptacle. The power supply will acce ...

  • QSC Audio CM16a - page 19

    Section 2: Installation- Connections CONNECTING 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 ...

  • QSC Audio CM16a - page 20

    Section 2: Installation- Connections REAR PANEL- PAGE, RELAY & MONITOR CONNECTIONS 20 CONNECTING THE RL Y 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 grou ...

  • QSC Audio CM16a - page 21

    CONNECTING TO THE RS-232 PORT Connection is made with a null-modem serial cable with a DB-9 male plug to the CM16a. The RS-232 port can be used for setting various operational parameters that are CRITICAL to proper operation of the CM16a. The network address settings can be changed through this port. Do Not Change the Network Address unless you are ...

  • QSC Audio CM16a - page 22

    Section 2: Installation- Rear Panel Detail 22 ...

  • QSC Audio CM16a - page 23

    23 Section 3: Operation- LED Indicators LED Indicators- When the power is switched “on”, all of the LED’s light briefly and then the PORT LED’s sequence through two patterns. The LED’s then resume normal operation. The LED functions are described below. This indicator illuminates when the CM16a power switch is in the “on” position. Th ...

  • QSC Audio CM16a - page 24

    NETWORK- The network should be operable and QSControl software should be installed/running on the system controller computer. 24 AMPLIFIER SETUP- The amplifiers connected to the CM16a must have their power switches in the “on” position. For initial testing, it is advisable that the amplifiers be set for the lowest useful gain (volume) setting u ...

  • QSC Audio CM16a - page 25

    25 Section 3: Operation- Recalling Presets Using RL Y/TRG IN There are three operating modes for recalling presets using the RLY/TRG IN of the CM16a and a set of external contacts (switch, relay or other such device). These modes are set up and accessed using the QSControl software or RS232/Telnet sessions. The purpose of this portion of the manual ...

  • QSC Audio CM16a - page 26

    26 Section 3: Operation- Bypass Modes and Switch Location BYPASS MODE #2 (SAFE MODE): Use if the CM16a becomes inoperable (or behaves in completely unexpected ways) after uploading a new application file (TFTP file transfer). If the CM16a operates in an unexpected way or is not responding to any communications after a new application file is upload ...

  • QSC Audio CM16a - page 27

    The RS-232 connector on the rear panel is used as a serial port input/output (I/O). This I/O port is used for accessing Ethernet/IP settings, stand alone control capabilities, system “health” data, firmware version information and other related data. This interface is not used by the majority of users. But should any system problems arise, the ...

  • QSC Audio CM16a - page 28

    28 Section 3: Operation- Serial Port I/O Interface 5) The Properties window for the selected COM port should now be active. It should be similar in appearance as the example to the right. For the Port Settings, use the following information so communica- tion between the CM16a and the computer is in the same “language”. Bits per Second 9600 Dat ...

  • QSC Audio CM16a - page 29

    29 Section 3: Operation- Serial Port I/O Interface 6) The Hyper Terminal main window will appear next, but blank. Type the letter “h” (for help) and then the “Enter” key. This will prompt the CM16a to post its menu text. The “h” key is the Help prompt for the CM16a. 7) The next screen will look similar to the Hyper Terminal window above ...

  • QSC Audio CM16a - page 30

    30 Section 3: Operation- T elnet Access The RS-232 features can be accessed via the network. The Microsoft Telnet application is a Windows program. Consult Windows documentation for Telnet information . This is the basic procedure for opening a Telnet session: 1 - To open the Telnet sesion- Click START, select RUN, type Telnet followed by a space, ...

  • QSC Audio CM16a - page 31

    31 FUSE REPLACEMENT If the CM16a does not power-up when the POWER switch is in the “on” position ( POWER indicator LED does not illuminate) check the source of AC power and the connection of the power cord at the outlet and IEC receptacle ends. If the AC source is “on” and the power cord is connected and in good condition, then the conditio ...

  • QSC Audio CM16a - page 32

    32 Section 4: Specifications- Dimensions SIDE FRONT TOP ...

  • QSC Audio CM16a - page 33

    33 Section 4: Specifications Frequency response 20 Hz–20 kHz ±0.5 dB 10 Hz–80 kHz ±3 dB Distortion <0.01% THD+N @ +4 dBu out (page input <0.03%) Dynamic range >110 dB unweighted 20 Hz–20 kHz (page input >100 dB) Polarity In-phase or inverted Level control range -95.5 to 0 dB in 0.5 dB steps Precision attenuator better than 112 d ...

  • QSC Audio CM16a - page 34

    34 Power amplifier management Signal monitoring buses 1 (per CM16) Number of Channels 4 Internal signal tap points Pre-fader input signal 16 Post-fader input signal 16 Power amplifier output 16 Monitor input Mixed with tap point signal at unity gain Nominal level +4 dBu Maximum level +21 dBu Input impedance 10 kOhm balanced Configuration Electronic ...

  • QSC Audio CM16a - page 35

    35 Physical network Ethernet, IEEE 802.3 compliant Raw data rate 10 megabits per second Frame format D.I.X. (Ethernet) Connector RJ-45 female Ethernet type 10 BASE -T Cable type CAT-3 (or better) twisted pair Max cable length 100 m to hub Grounding Floating Factory IP Address Supplied on front-panel sticker as shipped from factory General Transport ...

  • QSC Audio CM16a - page 36

    SECTION 5 : ARCHITECT ’ S AND ENGINEER ’ S SPECIFICA TIONS The Amplifier Network Monitor shall provide input, output, and status control for DataPort equipped QSC power amplifiers in an Ethernet-TCP/IP based network audio system. Sixteen indepen- dent channels shall be provided, grouped in pairs. Amplifier Input Control and Monitoring —For ea ...

  • QSC Audio CM16a - page 37

    37 Section 6: Appendix- Ethernet Cable Pinouts A crossover cable has the RX and TX wire pairs switched around at one end. There are only two likely situations that would require a crossover cable: to connect a single system controller computer directly to a single CM16a device; and to cascade hubs that don’t have uplink ports. ETHERNET CABLING Th ...

  • QSC Audio CM16a - page 38

    38 Section 6: Appendix- DataPort Pin-out & Connector P-N ’ s DA T A PORT PINOUT : The diagram to the right shows the pin assignments used for the HD-15 connectors on the CM16a and amplifier . NOTE! This information is shown for reference only and is subject to change without notice as the DataPort feature is specific to QSC products and not i ...

  • QSC Audio CM16a - page 39

    39 Section 7: How to Contact QSC Audio Products ADDRESS: QSC Audio Products, Inc. 1675 MacArthur Boulevard Costa Mesa, CA 92626-1468 USA TELEPHONE NUMBERS: Main Number (714) 754-6175 Sales Direct Line (714) 957-7100 Sales & Marketing (800) 854-4079 toll free in U.S.A. only Technical Services (714) 957-7150 (800) 772-2834 toll free in U.S.A. onl ...

  • QSC Audio CM16a - page 40

    1675 MacArthur Boulevard Costa Mesa, California 92626 USA PH: (714) 754-6175 FAX: (714) 754-6174 “ QSC ” and the QSC logo are registered with the U.S. Patent and Trademark Office ...

Manufacturer QSC Audio Category Home Theater System

Documents that we receive from a manufacturer of a QSC Audio CM16a can be divided into several groups. They are, among others:
- QSC Audio technical drawings
- CM16a manuals
- QSC Audio product data sheets
- information booklets
- or energy labels QSC Audio CM16a
All of them are important, but the most important information from the point of view of use of the device are in the user manual QSC Audio CM16a.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals QSC Audio CM16a, service manual, brief instructions and user manuals QSC Audio CM16a. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product QSC Audio CM16a.

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A complete manual for the device QSC Audio CM16a, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use QSC Audio CM16a by users. Manuals are usually written by a technical writer, but in a language understandable to all users of QSC Audio CM16a.

A complete QSC Audio manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual QSC Audio CM16a - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the QSC Audio CM16a, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the QSC Audio CM16a, that we can find in the current document
3. Tips how to use the basic functions of the device QSC Audio CM16a - which should help us in our first steps of using QSC Audio CM16a
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with QSC Audio CM16a
5. FAQ - Frequently Asked Questions
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