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QSC Audio CM16a Stereo Amplifier User Manual

1. If there are two or more CM16a s in the network or other network de vices present use a hub to create a star topology AMP feee Ordinary VGA cables between 16 and AMP amplifier DataPorts AMP System Controller AMP Computer cm EE EH END ND J RJ 45 to RJ 45 Ethernet AMP Mb CROSSOVER TYPE CABLE Category 3 or better AMP 100 328 ft or Ordinary VGA cables AMP between CM16a and amplifier DataPorts 2 ___ System Controller AMP Computer 888 RJ 45 to RJ 45 Ethernet Cable AMP Category 3 or better lt 100 328 ft Ordinary VGA cables AMP between 16 and ae amplifier DataPorts System Controller Computer Up to 8 HUB Amplifiers 1 E 4 1 RJ 45 to RJ 45 Ethernet AMP 0 ernet Cable 2 Category 3 or better 4 I lt 100 m 328 ft AMP I Up to 8 d Up to 8 Amplifiers Amplifiers 15 Section 1 Introduction Sample Network Topologies 16 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 com
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3. If the CM16a continues to blow fuses DO NOT INCREASE THE FUSE RATING as severe 2A 250V damage to the CM16a could result Contact OSC for service if fuses repeatedly blow 20 x 5 mm FUSE 2 required replacement does not enable the CM16a to power up double check the AC power source and the cord assembly before returning the unit for possible repair 31 Section 4 Specifications Dimensions Below are shown the dimensions s of interest for the CM16a These dimensions are helpful for locating the rear supports for the CM16a when used in portable or touring installations This drawing is NOT to scale 14 84 in 376 9 14 44 in 366 9 mm i C 18 98 482 1 mm E C 1720 B i o 43 6 17 32 in 440 0 mil i a rm 0 11 in 27 mm 32 Section 4 Specifications Input Signal Processing Frequency response Distortion Dynamic range Polarity Level control range Precision attenuator transients zipper noise Mute Inputs Program inputs Paging inputs Monitor bus input Connector type Type Grounding Nominal level Maximum level Impedance 20 Hz 20 kHz 0 5 dB 10 Hz 80 kHz 3 dB 0 0196 THD N 4
4. channel 1 plus encode 2 Clip protect channel 1 11 1213 14 15 Description Encode Signals Hard ground Audio to channel 1 ground Audio to channel 2 ground unused for CM16a 15V on certain amp s Amp reference ground Audio to channel 2 4 Amp IDR model ID V channel 2 plus encode channel 2 plus encode 4 MON Clip protect channel 2 encode 1 encode 2 encode 3 encode 4 KH C RS 232 PINOUT The diagram below shows the pin assignments RS 232 9 Signal Description DTR Signal GND DSR RTS CTS not used eo 12 Bridge mode amp power detect Temperature channel 1 Standby mode detect Temperature channel 2 678 9 345 TERMINAL BLOCK CONNECTOR PART NUMBER REFERENCE The following manufacturers and part numbers are provided as a reference to users The information here is subject to change without the knowledge of OSC 2 pin Phoenix Contact 17 57 01 9 Riacon 31249102 6 On Shore Tech EDZ950 2 3 pin Phoenix Contact 17 57 02 2 Riacon 31249103 6 On Shore Tech EDZ950 3 5 pin Phoenix Contact 17 57 04 8 Riacon 31249105 6 On Shore Tech EDZ950 5 Strain Relief 3 pin Phoenix Contact 17 76 16 8 Strain Relief 5 pin Phoenix Contact 17 76 142 WEBSITE reference Phoenix phoenixcon com riaelectronic com 38 on s
5. 19 Page Input RLY TRG 22 2 2 20 RLY 20 Monitor Chain In Out 20 Input Output 21 5 232 2 2 21 Amplifiers 21 Rear Panel Detailed Illustration amp Hookup Example 22 Section 3 OPERATION General Amp Setup Network 24 LED 25 BYPASS Switch Usage 25 Serial Port Interface 2 Telnet Access e 30 Fuse 31 Section 4 5 32 Section 5 ARCHITECT S amp ENGINEER S 36 Section 6 APPENDIX Ethernet Cable amp RS 232 Pinouts 37 DataPort Pinout and Phoenix type Connector Part Numbers 38 Section 7 OSC INFORMATION How to Contact OSC Audio 5 39 EXPLANATION OF GRAPHICAL SYMBOLS The lightning flash with arrowhead sym bol within an equilateral t
6. 270 4 Sj2ejuo2 585012 Joyesado uauM ajeado 1 zzng Ajddns sadosd Jezznq yp 3upoejaozeid 197214 weny ejdurex Wild 42 0 4 49 2 2 0 2 0 Willd 2 7 49 2 49 7 23 Section 3 Operation General AMPLIFIER SETUP amplifiers connected to the CM16a should have their power switches in the ON position and their gain controls set as required by the user see nitial Testing note below NOTE For initial testing it is advisable that the amplifiers be set for the lowest useful gain volume setting until it is verified that the system is operating as expected After the system setup has been verified and tested gain settings may be set as required NETWORK The network should be operable and QSControl software should be installed running on the system controller computer CM16a OPERATION Turn the Power ON Operation of the CM16a is accomplished with OSControl software The only operation required on the CM 16a itself is flipping the power switch from the OFF position to the POWER ON position t is important to understand the start up behavior outlined below When first taken out the box the CM16a will power up ina muted state with all faders at 95 5 d
7. QSC logo are registered with the U S Patent and Trademark Office HyperTerminal is the copyrighted property of Hilgraeve Inc Monroe MI Phoenix Contact is the trademark of Phoenix Contact Inc Middletown PA is the trademark of RIA electronic Inc Eatontown NJ On Shore Technology is the trademark of On Shore Technology Inc Tempe AZ All other trandemarks are the property of their respective owners TABLE OF CONTENTS Amplifier Network Monitor Section 1 INTRODUCTION DVerVig We ie beo tn 5 Physical Characteristics amp Layout sse 6 List of Functions amp 8 Block Diagrainn 9 Detailed Description of 11 Network 14 Network 15 Section 2 INSTALLATION Basics 17 What is 17 Location Considerations 17 Mounting the 1 17 Connecting AG IT me 18 Audio
8. 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 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 opencontactterminal These are labeled as C NC and NO onthe rear panel When the relay is not energized the terminalis 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 REAR PANEL PAGE RELAY amp MONITOR CONNECTIONS RLY TRG IN 10 BASE T PAGE 7 OUT 0 gt PAGE RLY TRIG IN RLY OUT th NC NOC MONITOR CHAIN
9. dee QUT EN E RCV XMT STATUS MONITOR CHAIN IN amp OUT 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 DAMAGETO THE CM16a COULD RESULT OR CREATE HAZARDOUS OPERATING CONDITIONS 20 Section 2 Installation Connections CONNECTION TO 10BASE T network connection Connection to the Ethernet network is made using the RJ 45 type idi connector labeled TOBASE T on the rear panel The RJ 45 is the standard network connector for Ethernet networks Insert the RJ 45 plug into the receptacle with the lock tab oriented toward the bottom of the CM16a and push firmly until the connector locks into place usually an audible Insert plug until click can be heard Refer to Section 1 of this manual for Ethernet this locking tab snaps into place connection schemes and cabling Keep in mind that if the CM16a is To remove press up on locking tab connected directlyto the system controller computer s network interface and pull pl
10. Protect Output m Threshold Status Current Voltage Adjust Meter Meter Detect Level Adjust Amplifier To Monitor Monitor Power Standby Amolifi Status Operate Detect Control Amplifier Monitor Amplifier Model Detect Section 1 Introduction Block Diagram part 2 MONITOR MODULE Pre fader From Channel 2 Post fader gt Tap Points 9 Amplifier Off Input 1 Summing Amplifier gt Software UN Selectable Men Toc Channel Monitor Input Sources Input 3 gt Pre fader 6 From Channel 2 Post fader Tap Points 9 Amplifier Off Input 4 Monitor Chain Input Monitor Chain Output From Upstream CM16a INTERNAL MICROCONTROLLER Ethernet Connection connects to all internal 16 modules RJ 45 o Contact Closure RS232 pos B Input Output PAGING INPUT MODULE RLY TRIG DAC Input for test or paging o Software selected Channel Insert Points Input Source Normal Page block Ch 1 Ch 16 Input Sensitivity 1V 3V Page Input analog 10 Section 1 Introduction Detailed Description of Functions AUDIO FUNCTIONS Audio Inputs These are the Phoenix type pin connec tors used for balanced line level audio signal input InputSensitivity Sets the sensitivity of the Audio Inputs to
11. either 1 Volt or 3 Volts r m s This selection should coincide with the level of the audio signal provided for each channel Input Source Normal Page Selects the input source for each channel Normal input is the audio connected at the Audio Inputterminals Page inputis the audio provided by the Paging Input Module Level Control Provides adjustment of the signal level delivered to the amplifier for each channel Adjustmentis from 95 50 to OdB in 1 2dB steps Meter These points are indicators of where in the audio path the software can meter the audio Mute Actively mutes the audio signal being passed by a channel No signal is delivered to the amplifier when a channel is muted Parallel Mode When parallel mode is selected the input to the first channel is also applied to the second channel When in parallel mode the input is ALWAYS from the first or odd numbered input The second or even numbered input is ignored this includes the PAGE signal This feature is useful for sending one input signal to both amplifier channels without having to wire jumpers between the two input connectors Polarity Determines the polarity of the signal delivered to the amplifier for each channel AUDIO MONITOR CHAIN FUNCTIONS Pre Fader Monitor Monitors the audio path at the point before the Level Control block the input to the CM16a Post Fader Monitor Monitors the audio path at the point after the Level
12. Allow ample open space around them in order to maintain unobstructed air flow Note that the CM16a s recommended ambient operating temperature is 0 C to 50 C 32 F to 122 F Donotinstall the CM16a in environments that expose it to temperatures outside this range Keep in mind that some equipment rack installation environments can get quite hot If there is any question measure the air temperature inside the equipment rack and supply additional cooling air flow to keep the ambient temperature within the specified limits 05 amplifiers use back to front air flow and therefore do not exhaust hot air into the rack CONNECTING AC POWER 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 accept from 85 to 264 Volts AC 47 to 440 Hertz without any changes Make sure that the power cord used is suitable for the line voltage that the CM16a is connected to If a different type of IEC power cord is required different style of plug on the outlet end contact QSC s Technical Services Department to obtain the correct cord assembly OPERATING CONDITIONS 18 REAR PANEL POWER CORD RECEPTACLE WS fe 17 IEC POWER CORD
13. CH 1 through PORT H CH 16 10 One Phoenix type 5 pin receptacle for audio monitoring functions MONITOR CHAIN IN and OUT 11 One Phoenix type 3 pin receptacle for paging audio signal input PAGE 12 Phoenix type 2 pin receptacle for remote sensing example detecting a switch closure or logic event RLY TRG IN 13 One Phoenix type 3 pin receptacle for access to SPDT relay contacts used for remote switching of external devices RLY OUT 14 One RJ 45 type receptacle TOBASE T Ethernet computer network connection 15 One DB 9 type receptacle RS 232 Port for network and firmware utilities 16 IEC type detachable AC power cord receptacle for connection to AC power line with integral fuse holder Layout D ion Physica Introduct 1 Section MOLINOW HYOMLIN 250 m Section 1 Introduction List of Functions amp Features FUNCTIONAL LISTING BLOCK DIAGRAM amp DETAILED DESCRIPTIONS The CM16a performs control and monitoring of amplifiers remotely Below is a listing of the functions that are available for the supported OSC amplifiers The following two pages Block Diagram part 1 amp 2 graphically illustrate the main functions of the CM16a Following the diagram is a s
14. CM 16a This selection depends on which port on your PC the null modem cable is connected Ignore the first three entry fields phone number information and go directly to the Connect using entry field and click on the down arrow for the drop down menu selection Select the appropriate port COM1 is used in this example and click OK continue The Properties window should appear next 5 The Properties window for the selected COMport should nowbe active It should be similar in appearance as the example to the right Forthe Port Settings use the following information so that commu nication between the CM16a and the computer is in the same language Bits per Second 9600 Data Bits 8 Parity none Stop Bits 1 Flow Control Xon Xoff Once you have set the properties as outlined click OK to continue If all the connections and communications settings are correct the main Hyper Terminal window will appear next see next page 28 Lonnechnn Dezcnplson M Ente ars and choose an icon or the connection ured Phone Humber e Enie detads for the phone number thal pou want bo dist Douni code ____ code Phong Connect using Diest to Comi Cancel Pan Bis per secon 7 a pais nae Section 3 Operation Serial
15. feet The maximum length of any 10BASE T Ethernet network segment cabling between any node and the next node hub or repeater is 100 meters 328 feet The location of hubs and repeaters must be such that this distance limit is not exceeded If this is impractical or impossible then use appropriate network transceivers and fiber optic cabling For larger Ethernet networks the use of Ethernet routers may be Necessary MOUNTING THE CM16a The CM16a is secured to the equipment rack with four screws and washers Be sure to support the weight of the CM16a when securing to avoid distorting or bending the front panel mounting ears For mobile touring or portable applications support the rear of the CM16a using the rear mounting tabs provided or contact 05 5 Technical Services Department to order rear rack ear extensions The rear rack ear extension kits add flexibility to you installation options as well as a support pin option that requires one time hardware installation at the rear of the rack For the locating dimensions of the rear support mounting tabs see the dimensional diagram in the specification section 17 Section 2 Installation Mounting and AC Power MOUNTING THE CM 16a continued The illustration below shows the basic mounting technique The 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
16. nel Headroom Metering Reports the available re maining signal level that the input signal can be driven before clipping will occur Heat Sink Temperature Metering Monitors the heatsink temperature of each channel of each amplifier connected to the CM16a If the temperature exceeds user specified value in software then the Over Temp object will alert the system operator Load Monitor Detect Monitors the impedance of the load at the amplifier output for each channel Output Current Meter Provides for metering of the amplifier s output current on each channel Output Voltage Meter Provides for metering of the amplifier s output voltage on each channel Output Open Detect Detects when the load con nected to the amplifier is above a user specified value in software Output Short Detect Detects when the amplifier load is below a user specified value in software Power Status Detect Reports AC power status of the amplifier ON standby OFF Protect Status Detect Reports if the amplifier has entered protect mode such as thermal over current or power up muting protect status Real Power Detect Reports the real power the amplifier is delivering This real power is not the same as reactive power Threshold Adjust This indicates that the behavior of the associated block requires the input of a threshold valueinsoftware that mustbe crossedforthe detection to occur This allow
17. the next time the CM16a is powered up it s settings are the same as you left them Remember the CM16a always powers up in Preset 0 Refer to the software documentation for further information Preset 0 will only be overwritten 4 minutes after the last control change This includes ifthe CM16a is placed into one of its BYPASS modes as discussed in the following section If the CM16a is placed into BYPASS mode and operated for at least 4 minutes without control changes then the BYPASS mode is saved in Preset 0 The next time the CM16a is powered up it will start up in Preset 0 or BYPASS in this case This could cause dangerously high output levels from the system Insure amplifier gain controls are reduced to safe levels ANY time BYPASS mode is used The CM16a has all outputs momentarily muted at power up to prevent unexpected audio pops clicks or thumps Remember At power up the CM16a will always start operating with the settings saved in Preset 0 Once network communication has been established between the host computer and the CM16a the CM16a may be controlled remotely In the event that the network communications link is lost while the CM16a is operating it will continue to operate with its last settings intact 24 Section 3 Operation LED Behavior amp Bypass Switch Usage LED BEHAVIOR 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 no
18. 45pinoutforstandard Ethernet 5 notu used White blue 7 not used White brown patch cable both ends identical 8 not used Brown 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 connecta single system controller computer directly to a single CM16a device and to cascade hubs that don t have uplink ports RS 232 Null Modem Cable Pinout 1 White orange 2 Orange 3 White green 5 White blue reen 7 White brown 8 Brown RJ 45 pinout for an Ethernet crossover cable 1 White green Green 3 White orange 5 White blue range 7 White brown 8 Brown NULL MODEM CABLE PINOUT 3 CTS RTS DSR DSR Gnd 5 5 Gnd DCD 1 1 DCD DTR 4 DTR RI 9 No Connection No Connection 9 RI 37 Section 6 Appendix DataPort Pin out amp Connector P N s DATA 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 OSC products and not intended for interface to other manufacturer s equipment Pin Signal Description 1 Audio to channel 1 Standby control Channel 1 plus encode 1
19. B polarity set to normal sensitivity set to and any amplifiers connected to the CM16a will bein STANDBY mode This setup is the factory setting for Preset 0 The CM16a has 16 presets for quickly recalling settings They are numbered 0 zero through 15 These presets are useful for quickly changing from one setup to another without having to change each individual control to a new setting An example might be in a house of worship where the audio system setup is different for each service Instead of having to keep a trained system operator on location another individual with minimal training can be shown how to change to the desired preset for each situation The presets are useful tools but Preset 0 acts differently than the others Each time the CM16a is powered up it recalls its settings from Preset 0 The factory Preset 0 discussed above is a muted state with amps in STANDBY mode When setting up your own presets they should be stored in Preset 1 through Preset 15 The reason for not actively using Preset is as follows Let s say you re operating your system in Preset 12 and you change the setting of one fader The new setup is NOT the same as Preset 12 so the CM16a starts 4 minute timer from the time the control was changed After the 4 minutes has elapsed with no further control changes it saves the NEW scene into Preset 0 Preset 12 is left unchanged Whatever was in Preset 0 is now gone forever This insures that
20. CM16a However itis recommended that you keep the original packing material for reuse in the rare event that service be required on the If service is required and the original packing material is not available ensure that the unit is adequately protected 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 Power Cord 3 One complete set of the Phoenix type connectors 18 pcs of 3 pin style 1 pc of 5 pin style amp 1 pc of 2 pin style 4 Hardware manual this document LOCATION CONSIDERATIONS Where the CM 16a is installed is dependent upon the location of audio input sources amplifiers and network access The system controller computer should be located someplace convenient for the system operator In most instances the system controller computer is remote from the CM16a and the amplifiers It is preferable to install the CM16a and the amplifiers in the same or adjacent equipment racks this allows the cabling between them to be standard VGA monitor cables These cables are generally 2 meters long 6 5 feet For longer cabling runs contact QSC s Technical Services Department at 800 772 2834 toll free U S A only or 714 957 7150 QSC offers a special cable with individually shielded twisted pairs for each audio path this cable can be used over distances as long as 100 meters 328
21. Control Mute and Polarity blocks the output from the CM16a Amplifier Monitor Monitors the audio at the output of the amplifier i e the speaker terminals of the amplifier Off This selection disconnects the monitor for the channel Level Adjust Provides adjustment of the signal level deliv ered to the Monitor Module from each of the selectable tap points of a channel s audio path Adjustment is from 95 5dB to OdB in 1 2dB steps Monitor Module This module functions as a four input mixer with software selection of the input channels The four selected channels are summed with the external input tor Chain In For each of the inputs the tap point is selectable from the pre post amplifier and off positions AMPLIFIER CONTROL FUNCTIONS Standby Operate Controls the amplifier s power status ON amplifier operational STANDBY amplifier in standby mode NOTE The amplifier must be powered in order to respond to any commands issued by the CM16a 11 Section 1 Introduction Detailed Description of Functions 12 AMPLIFIER MONITORING FUNCTIONS Amplifier Model Detect Identifies what model of OSC 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 bridge mode switch on each amplifier Clip Detect Detects amplifier clipping on each chan
22. Port 1 0 Interface CHiGa Hyperterminal File Edit view Call Transfer Help Dis 25 sole ih diagnostic tests Enter option h Menus display Test MOX memory Show Highest Memory used Show stack usage Display Network settings Enter Network setup MOX component teste Enter network statistics menu yztem muto remstart data Restore preset Display version information Memory map information 1 a 4 5 5 7 3 n Connected 007 14 Aula SEDOUSH 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 After typing h and Enter a text menu will appear The menu should appear very similar to the example above This is sent by the CM16a and will detail your options and instructions for changing the address information Any changes in menu text from the above example might occur after any firmware updates of the CM16a Fromthis main menu you will need to make your menu choices and follow the instructions in the following sub menus or screens Although many of the instructions and tests may not pertain to a specific setup or troubleshooting situation you may be asked to run certain tests by a OSC technical representative The result
23. RECEPTACLE DO NOT CONNECT THE CM16a TO POWER SOURCES OUTSIDE THE SPECIFIED RANGES OF VOLTAGE OR FREQUENCY DAMAGE TO THE UNIT COULD RESULT OR THE USER COULD BE EXPOSED TO UNSAFE Section 2 Installation Connections CONNECTING AUDIO INPUTS The audio inputs are located on the rear panel The CM16a uses Phoenix type REAR PANEL AUDIO INPUTS ooo A A A PORT CCHS PORT C CH 6 PORT CH 14 PORT D CH7 rh PORT HCH 15 PORT H CH 16 Euro style terminal block connectors for 5 3 uu a the audio inputs These connectors allow PORTA CHI PORTACHZ PORT Bch PORT BCH rH NA i the installer to pre wire the input termina ican wen Y tions before the is installed in the UNUS Ey qr o n rack It also allows for re routing of audio inputs by simply interchanging connector locations without the need for any tools See Appendix for connector manufacturer s part number reference Balanced connection is recommended for all inputs If unbalanced audio sources are used it is preferable to use an appropriate audio transformer or other unbalanced to balanced converter to provide a balanced input to the CM 16a If this is not possible then it is recommended that the negative terminal and shiel
24. SC CM16a Amplifier Network Monitor HARDWARE MANUAL TD 000086 00 Rev A 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 OSC cannot be held responsible for network conflicts and associated consequences that may result For this reason 05 strongly recommends that the network used for implementa tion of QSControl products be completed separate from all other networks data or otherwise As such should you elect to integrate OSControl products with your existing network system all risks attendant to such integration of OSControl products with your existing network or network systems are assumed by you While QSC strives to provide the highest quality technical solutions for networked audio products in no event will OSC or its suppliers be held liable for any damages consequential incidental or otherwise including any claims for lost profits and or savings resulting from any attempted integration of OSControl products with your networking systems No agent employee or representative of 05 has any authority to alter or modify in any manner the disclosures and recommendations set forth herein Copyright 2000 05 Audio Products Inc 08 is a registered trademark of QSC Audio Products Inc Costa Mesa CA QSC
25. d terminal be connected to one another with a jumper wire The illustrations to the right show the proper connection of audio program input sources for both balanced and unbalanced inputs The recommended stripping length for the wires is approximately 6 to 8 mm 1 4 to 5 16 inch When stripping the audio cable be careful not to nick or cut the conductor strands After each conductor has been stripped and dressed insert it fully into the connector and tighten the retaining screw When stranded wire is used carefully twist the conductor strands together so that when they are inserted into the connector assembly no loose strands short adjacent terminals STRAIN RELIEF p numbers BALANCED INPUT CONNECTION Jumper wire between and shield connections For heavy duty inputcables the use of connectors with integral strain relief is recommended These connectors have a large plastic tab molded as part scree of the assembly which provides an area to tape or tie wrap the cable to At insert wire here Sr then lighted the time of this writing only the 3 terminal with the strain relief was available through OSC See Section 6 Appendix for connector part 19 Section 2 Installation Connections CONNECTING PAGE INPUT The PAGE inputis identical to the AUDIO INPUT connections Please refer to the previous page for connection guidelines CONNECTING THE RLY TRG IN
26. dBu out page input lt 0 03 gt 110 dB unweighted 20 2 20 kHz page input 100 dB In phase or inverted 95 5 to 0 dB in 0 5 dB steps better than 112 dB below maximum output gt 90 dB attenuation 16 1 1 Phoenix style a k a Euro style detachable terminal blocks Electronically balanced All shield terminals connected to chassis 1V 3V rms selectable 21 dBu 10 kOhm balanced Common mode rejection Crosstalk inter channel within Data Port pair Crosstalk intra channel between Data Port pairs Outputs Program outputs Connector type Pinout Cable type Qualified length Monitor output Connector Type Grounding Nominal level Maximum level Output impedance Output load Typical gt 50 dB 20 2 20 kHz Worst Case gt 40 dB at 20 kHz gt 75 dB separation 20 2 20 kHz gt 85 dB separation 20 2 20 kHz measured with all inputs and outputs terminated 16 via HD 15 8 HD 15 data port connections Special see appendix VGA monitor cable 2 meters 212 hoenix style a k a Euro style detachable terminal blocks Electronically balanced Shield terminal connected to chassis 4 dBu 21 dBu 75 Ohms balanced 600 Ohms minimum Power amplifier output processing Power amplifier output monitoring Output short detect Senses load lt 1 Ohm for Stereo Parallel modes lt 2 Ohms in Bridged Mono mode Threshold is adjustable in software Outpu
27. e first diagram is duplicated for each of the eight ports Port Channel 1 amp Channel 2 same block diagram for Ports B through H 2t 7 Input Level Control Ch 1 Sensitivity Input Source Ye dB Steps Audio to Normal Page E 1 Amplifier i Paging Insert i AUDIO m m INPUTS 1 i i Parallel H Mode Paging Insert Input Input Source Level Control Ch 2 i 2 Sensitivity dB Steps Polarity Audio to Normal Page 955 to 0 dB Amplifier oe Pre fad Moor Post fader POWER Monitor AMPLIFIER DataPort INTERFACE Threshold Load Real ifi Heat Sink Adi e Monitor Power i Temperature just Detect Detect Meter TTO E T C Ch 1 Amplifier Protect Output Output Monitor Threshold Status Current Voltage Adjust Meter Meter Detect Level Adjust Amplifier To Monitor Monitor Load Real Amplifier Heat Sink Threshold Monitor Power Gain Adjust Detect Detect Detect Ch 2 Amplifier
28. ection giving detailed explanations on each functional block that will aid in the use of the CM16a Note that not all features may be supported by the current revision level of software consult software documentation for supported feature set Where applicable functions are available on each individual channel CONTROL FUNCTIONS Amplifier Power Standby Operate Control CM18a Input Sensitivity Select Input Source Select Normal Page Signal Level Control Signal Mute Signal Polarity Select Paging Control with customizable routing Contact Closure Output switching of internal relay for control of external device Paralleling within DataPort Pair MONITOR FUNCTIONS Amplifier Power Status Amplifier Gain Amplifier Model Bridge Mode Load Monitor impedance Protection Status Output Voltage Output Current Output Power real Heat Sink Temperature with Over Temp Headroom Clipping Detect Output Short Output Open Output Level Meter CM16a Input Level Meter Output Level Meter Audio Monitor Module 4 channel mono mixer External Event Sensing a logic level or switch input SPECIAL FEATURES DAC digital to analog converter that can be used for generating test signals amp the playback of paging messages RS 232 Port for setting of network address information TFTP upgradeable firmware Section 1 Introduction Block Diagram part 1 The following diagrams illustrate the basic functional blocks of the CM16a Keep in mind that th
29. elay output Data Network All Amplifier Network Monitor functions shall be controlled and monitored via a 10BASE T Ethernet digital control network using the IP trans port protocol and the QSControl monitoring appli cation protocol Rear panel connection shall be provided for 10BASE T Ethernet Other than the AC power switch the Amplifier Network Monitor shall have no manual controls Amplifier Interface The Amplifier Netrwork Monitor s interface to each power amplifier Data Port shall be via an HD 15 connector The amplifier interface shall use a standard personal computer Video Graph ics Adapter VGA CRT monitor cable This interface shall transmit two amplifier input audio signals as well as all control and monitoring signals Special signal conditioning and grounding techniques shall be used in this interface to ensure negligible levels of noise and crosstalk General All audio inputs and outputs shall be balanced with a nominal input level of 4 dBu and maximum level of 21 dBu Input connectors shall be of the Phoenix detachable terminal strip type The Amplifier Network Monitor shall be the OSC 1 Section 6 Appendix Ethernet Cable Pinouts ETHERNET CABLING This diagram shows the pinout for standard unshielded twisted pair UTP network cable Both ends of the cable are wired identically 11x White orange 3 Im Gange reen 4 not used Blue RJ
30. ersion information Hemory map information c owe 30 Section 3 Operation Fuse Replacement 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 condition of the fuses should be checked The fuse holder is an integral part of the IEC connector It contains two fuses To replace a fuse first detach the AC power cord from the CM16a e Then use a flat blade screwdriver to pry the fuseholder out as shown at left The fuses are held in the round openings in the end of the fuseholder as shown at left below Replace one or both fuses with the same type 20x 5 mm 2 amp 250V A visual inspection of the fuse will usually indicate if the fuse has been blown or not This method is not foolproof however as sometimes the fuse element is severedclosetothe end cap making itimpossibleto see the break When in doubt test the fuse with an ohmmeter or just replace the fuse Below is an illustration of a typical clear glass cartridge fuse The GOOD fuse has an intact element from end to end and the BAD or blown fuse has a break in the element 5000 BAD
31. establishing communications through your PC s COM serial port 1 Connect the RS 232 port of the CM16a to an unused serial port COM port of a PC using a null modem type cable These cables are different than the ordinary serial cable 2 Open the HyperTerminal program This program is usually started by clicking the Windows START icon highlighting PROGRAMS then ACCESSORIES and finally highlighting the Hyper Terminal folder and clicking on its icon The screen shot below shows a typical icon view of the Hyper Terminal folder icons shown for each program in the folder If your system was setup for a list view then you will instead see a list of what s in the folder Identify the Hyper Terminal program icon or name from the list and click or double click as required to start the program In the screen shot below the Hyper Terminal icon is the fifth from the left in the row of icons HyperTerminal Icon Gf C PROGRA 1 ACCESS 1 HYPERT 1 File Edit View Help 4HyperTemina _ 82 5 E AT amp T hticons dll hypertrm dll Hypertrm MCI Mail ht B objects 346KB 27 Section 3 Operation Serial Port 1 0 Interface 3 After starting Hyper Terminal a Connection Description window will pop up It will require that you name your connection Enter a name for your new connection example 16 and click OK to continue 4 Next Hyper Terminal needs to know how to talk to the
32. fevel 44 dBu Monitor input Mixed with tap point signal at Maximum level 421 dBu unity gain Output impedance 75 Ohms balanced Output load 600 Ohms minimum Nominal level 4 dBu Configuration Active balanced Maximum level Level Adjusts amplitude of signal from Input impedance 10 kOhm balanced eatin Configuration Electronically balanced shield connected tochassis Monitor in to monitor out 0 dB 0 5 dB Control 95 5 to 0 dB in 0 5 dB st Common mode rejection Typical gt 50 dB 20 Hz 20 kHz 2 Worst case gt 40 dB 20 Hz 20kHz Contact closure inputs and outputs Inputs 1 discrete input Output 1 discrete output Configuration Single ended input Configuration Electromechanical relay dry Resistance for closure detect lt 1kOhm contacts floating C NC NO Resistance for open detect gt 5 kOhm min Steady state current 0 5 Input Voltage Limit 7 000 VDC maximum Switched current max 0 25 A Ground isolation 70 volts maximum input terminal connected to chassis Connector Phoenix style a k a Euro style detachable terminal block connectors 34 Section 4 Specifications Network Interface Physical network Ethernet IEEE 802 3 compliant Transport network TCP IP Raw data rate 10 megabits per second Internetwork protocol Frame format D I X Ethernet Transport protocol UDP Connector RJ 45 female Application protocol QSC24 Ethernet type 10BASE T Version 1 Cable type CAT 3 or be
33. gardless of network computer issues continued on next page 25 Section 3 Operation Bypass Switch Usage continued NOTE Before depressing the BYPASS switch the gain volume settings on all amplifiers connected to the CM16a should be reduced to a safe level This is advisable because the CM16a s Level Control will be reset to 0 dB or NO attenuation with the BYPASS It is possiblethatthe amplifiers could be at maximum output level ifthe amplifier gain controls are not turned down Location of BYPASS switch The front panel has a small access hole on the right side about 12mm 1 2 inch to the right from the PORT HLED It is NOT LABELED to help prevent accidental use This is the BYPASS mode switch To return to normal operation simply reestablish computer communications via the network or RS 232 and change the appropriate settings or recall a previously saved Preset The way to put the CM16a into this first BYPASS mode virtual wire mode is BYPASS SWITCH 1 Turn the CM16a on and wait 5 to 10 seconds for the start up LED sequence to finish PORT PORT PORT it depressed for at least 5 seconds 2 Depress the BYPASS switch use a paperclip or similar item and keep 3 The two steps above must be completed within 60 seconds from power up If you miss the timing just power down and power up again and FRONT PANEL BYPASS SWITCH LOCATION repeat steps 1 amp 2 The second mode safe m
34. he right 2 Click on the Connect menu header the drop down menu items will appear Choose the Remote System option 3 The Connect window then opens You will need to enter the IP address of the CM16a that you want to communicate with Determine the IP address of the specific CM16a and enter it in the Host Name field the numbers in the screen shot to the right are EXAMPLE ONLY Enter the address in four numeric groups seperated by periods NOTE Port amp Term Type settings must be as shown 4 Click on the Connect button If the address entered was correct and network Host Name 92 168 1 201 communications with the CM16a are successful the Telnet session should open telnet as shown below The IP address number that appears at the top of the window will TermType 1 00 be different than shown it will match the IP address that you entered for the CM16a that you are communicating with Cancel 5 Now you have the same options that are available in the Serial Port 1 0 RS 232 interface section see pages 25 27 E Connect Edt Help Frecise RTCS uw2 75 84 Telnet server diagnostic tests Enter option Henus display Test HX Show Highest Hemorg used Show stack usage Display Hrtunrk settings Enter Hetwark setup Hx component tests Enter network statistics menu System auto restart data Restore preset bisplay v
35. hore com Section 7 How to Contact OSC Audio Products ADDRESS OSC 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 amp 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 only FACSIMILE FAX NUMBERS Sales amp Marketing FAX 714 754 6174 Technical Services FAX 714 754 6173 WORLD WIDE WEB http www qscaudio com 39 TM 1675 MacArthur Boulevard Costa Mesa California 92626 USA 714 754 6175 FAX 714 754 6174 08 and the QSC logo are registered with the U S Patent and Trademark Office
36. ication software to operate the networked audio system including the CM16a s and their amplifiers The software operates on the Microsoft Win dows NT version 4 0 operating system and can be customized using Microsoft Visual Basic Professional Edition The network may theoretically have hundreds of CM16a s but the real world limitation is determined by the network bandwidth type and configuration This manual is intended to be a reference for installing and connecting the CM 16a as well as outlining the hardware capabili ties of the CM16a The actual operation of the CM16a is depen dant upon the instructions received from the control software Note that not all hardware features may be supported by the current software revision Please refer to the software s docu mentation or help file for information regarding software fea tures usage and functions The CM16a performs control and monitoring functions for OSC amplifiers equipped with a DataPort This could be up to eight 2 channel or four 4 channel amplifiers or some combination of these The amplifiers that are supported by the CM16a are the PowerLight PL2 DCA and CX series of QSC amplifiers that have a built in Data Port Models that do not have a built in DataPort or models that have a DP 1 option such as the EX and MXa series are NOT supported by the CM16a The DataPort connections are made with ordinary VGA computer monitor type cables HD 15 male to male These cab
37. l have selectable 1V or 3V sensitivity Amplifier Output Monitoring For each of the sixteen power amplifier outputs the Amplifier Network Monitor shall provide clipping detection short and open circuit detection voltage and current meter ing and audio monitoring of the voltage signal Amplifier Management For each of the eight DataPort connections the Amplifier Network Monitor shall provide AC standby operate mode control AC power state indication temperature metering load status and protect status detection Audio Monitoring Chain For each of the sixteen pro gram channels the Amplifier Network Monitor shall provide three monitor points as follows 1 pre fader control 2 post fader control or 3 power amplifier output A channel s monitor output may be selected from one of these three signals or it may be switched off The signal at the Amplifier Network Monitor s monitor output connector shall be the sum of the signal at 15 monitor input connec tor and four selected cont d next column gt 36 channel monitor signals A monitor gain control shall be provided for each monitor tap point to adjust the individual levels of the channel monitor signals prior to their being mixed with the monitor input signal Contact Closure l 0 The Amplifier Network Monitor shall provide a trigger contact closure sense input which shall also be CMOS amp TTL signal compatible and one dry contact floating SPDT r
38. l The respective LED will illuminate when functional connection has been made between the CM16a and an amplifier The amplifier s power does not have to be ON in order forthe LED to indicate successful connection As mentioned above these LED s may also display specific fault codes ifthe CM16a detects an internal failure in one of its associated self test diagnostic parameters The fault code will be in the form of a specific sequence of these LED s being illuminated BYPASS SWITCH USE There are two distinctly different BYPASS modes The first mode is the Oops forgot the computer or system troubleshooting type of BYPASS If you are unable to communicate with the CM16a for any reason and you need to bypass the unit it can be done with the push of a button instead of rewiring the system If the CM16a is powered up and there is no host computer control or the network is non operational the operational state as saved Preset 0 the start up preset could prevent the audio from being supplied to the amplifiers We have addressed this potentially disastrous situation by providing a BYPASS virtual wire mode switch The function of this switch is to put the CM16a into a known state of operation This BYPASS state routes all audio through the CM16a in a virtual wire mode 1Vrms input sensitivity PAGE input disabled MUTE disabled 0 dB level normal polarity This insures that audio can still be passed through the CM16a re
39. les are the same type that are used on personal computer systems to connect the monitor to the computer This allows you to use commonly available cabling for interconnecting amplifiers to the CM16a Each DataPort connection supports the control and monitoring functions for two audio channels When using the CM16a with amplifiers that have more than two channels such as the 4 channel cinema amplifiers additional DataPort connec tions are required The CM16a is a plug and play replacement for the CM16 The CM16a has a much improved feature set and height has been reduced from 2RU to 1RU Additionally connectors are slightly different between the two Weight has been reduced from 22 to 11 pounds A final note The CM16a is a control and monitoring device that relies on software to do its job The functions and capabilities provided in the design of the CM16a can only be realized with proper software implementation Keep in mindthatthis manual s intent is to outline these capabilities and provide a reference for properly installing and interconnecting the CM16a to the net worked system s host computer the audio inputs and the ampli fiers to be controlled and monitored A thorough knowledge of the control software s features and operation will provide the best possible results for the end user Note In this manual bold type e g PORT A within the para graph text indicates a control or connection that is labeled similarl
40. n CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN 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 equipment to rain or moisture A ELECTRIQU ELECTRIQUE NE PAS OUVRIR ATTENTION Pour eviter les risques de choc lectrique ne pas enlever le courvercle Aucun entretien de pi ces int rieures par l usager Confier l entretien au personnel qualifi AVIS Pour eviter les risques d incendie ou d lectrocution n exposez pas cet article la pluie ou a l humidit VORSICHT GEFAHR EINES ELEKTRISCHEN SCHLAGES NICHT OFFNEN VORSICHT Um das Risiko eines elektrischen Schlages zuvermindern Abdeckung nicht entfernen Keine Benutzer Wartungsteile im Innern Wartung nur durch qualifiertes Wartungspersonal WARNUNG Zur vermeidung von Feuer oder elektrischen Schl gen das Ger t nicht mit Regen oder Feuchtigkeit in Ber hrung bringen SAFEGUARDS Electrical energy can perform many useful functions This unit has been engineered and manufactured to assure your personal safety Improper use can result in potential electrical shock or fire hazards In order not to defeat the safeguards observe the following instructions for its installation use and servicing PRECAUTIONS L nergie lectrique peut remplir de nombreuses foncti
41. n outlines the proper connection and communica tion settings required to communicate with the CM 16a via the serial RS232 port If the CM16a is connected to an Ethernet network where the factory provided Ethernet address informa tion is not acceptable a configuration utility must be run This involves connecting a computer with a prop erly configured serial port to the CM16a using a null modem type cable such as a Laplink cable and running a dumb terminal program HyperTerminal is the Microsoft Windows supplied program DO NOT CHANGE THE FACTORY SETTINGS UNLESS YOU ARE CERTAIN OF WHAT YOU ARE DOING If addressing is configured incorrectly the CM16a may not respond to network control CONTACT CLOSURE I O FUNCTIONS RLY OUT This is used for remotely controlling an electrical device in an on off manner such as a cooling fan an audible alarm a light etc An internal SPDT single pole double throw relay is controlled by soft ware command Its contacts are accessible at the rear panel RLY OUT connector and are labeled NC normally closed NO normally open C common RLY TRG IN Detects the closure or opening of a switch connected to the RLY TRIG IN terminals onthe rear panel Also accepts CMOS and TTL logic level inputs An example is the detection of a limit switch that indicates an open door on an equipment cabinet 13 Section 1 Introduction Network Description 14 OSC CM16a Amplifier Netwo
42. o the same CMf16a If only one DataPort connection is used the CM16a will not control or monitor the amplifier correctly the same applies for connecting the two amplifier DataPorts to two separate CM16a s the system will not function properly Insure that both amplifier DataPorts are used and that they are connected to the same CM16a You do not have to use adjacent ports on the CM16a i e PORT C and PORT D You can use any two ports for convenience the only impact of doing this is that the System Manager software control panel will not show all four channels next to each other For 2 channel amplifiers it is a simple one DataPort one cable connection to the appropriate rear panel PORT receptacle on the CM16a 21 Rear Panel Deta ion Installat Section 2 95 10 1011295 NOIIVH3dO 99 919 p103 1294109 S1Sf 8 H3MOd OV s euiuul9 Nj 1e perjdde jeubis eui way pue sjulod yold 1 dn oipne pepjalus eg eui 10 9 149291 add 0 syndul 2106 10 pesn 100 NI NIVHO BOLINOIN so 2e1do581 adh 8044 UId S 1 90 uonduaseq JOAN 1011295 paquosep se JOMU sad ejeoipul 5 131 95941 SALWLS
43. ode is used if the CM16a becomes inoperable or behaves in completely unexpected ways after uploading a new application file TFTP file transfer If the CM16a behaves in unexpected ways or is not responding to any communications after a new application file is uploaded to it then itis likely that the new application file was corrupted during or after the data transfer If sent a corrupted application file the CM16a will not accept this file The LED s might even act in unexpected ways If this occurs there is a backup file in the CM16a that will enable you to communicate with it The way to put the CM16a into this second BYPASS mode safe mode is 1 Turn off the power to the CM16a using the front panel power switch 2 Depress the BYPASS switch use a paperclip or similar item and keep it depressed while turning the power on again 3 The 1 is now in safe mode Youwill now be able to re establish communications with the CM16a using the RS 232 Input Output port or the Telnet program in Windows NT The following section describes the RS 232 and Telnet features Once communications has been re established the file transfer can be tried again or the old application file used until the source of the data transfer problem can be found 26 Section 3 Operation Serial Port 1 0 Interface The RS 232 connector on the rear panel is used as a serial port input output 1 0 This 1 0 port is used for accessing controls forthe IP add
44. ons utiles Cet appariel a t concu et r alis pour assurer une s curit personnelle enti re Une utilisation impropre peut entrainer des risques d lectrocution ou d incendie Dans le but de ne pas rendre inutiles les mesures de s curit bien observer les instructions suivantes pour l installation l utilisation et l entretien de l appareil Federal Communications Commission FCC Information NOTE This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are de signedto provide reasonable pro tection against harmful interfer ence ina commercial installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the in structions may cause harmful in terference to radio communica tions Operationofthis equipment in a residential area is likely to cause harmful interference in which case the user will be re quired to correct the interference at his or her own expense Section 1 Introduction Overview The QSC CM16a Amplifier Network Monitor provides powerful amplifier management and zone paging capability in a OSControl networked audio system using Ethernet networking technology to communicate with the host computer system controller From all of us at QSC Audio Products thank you for your purchase The host computer uses the OSControl appl
45. puter attached to the hub To create the more complex distributed star topologies needed for larger systems use additional hubs Some hubs have special uplink ports for connecting to other hubs via a standard Ethernet cable If the hubs do not have uplink ports then the hub to hub con nection should use crossover type Ethernet cable Primary System Controller Computer AMP Ds 24 Ordinary VGA cables 3 between 16 and L amplifier DataPorts H AMP ES r Secondary System AMP Controller Computer gt Repeater m hub AMP k C RJ 45 to RJ 45 Ethernet Cable AMP Ec Category better 100 328 ft TEE Ordinary VGA cables AMP Je s a between CM16a and amplifier DataPorts ___ System Controller Computer Up to8 Amplifiers ly Cro 71 I 7 E s RJ 45 to RJ 45 Ethernet Cable AMP Category 3 or better lt 100 m 328 ft AMP I L I Upto 8 Amplifiers Up to8 Amplifiers AMP 4 Up to8 Amplifiers AMP AMP Up to8 Amplifiers Section 2 Installation Basics and Mounting UNPACKING There are no special unpacking precautions for the
46. ress settings system health data firmware version information and other related data Typically this interface is not used by the majority of users But should any system problems arise the data that may be accessed through this interface can help to track down the problem The most common items that might be used are Display Network Settings and Enter Network Setup The remaining selections would typically be used for troubleshooting purposes along with a QSC technical representative prompting you to access particular menu items so that the data can be interpreted The basic setup involves connecting a null modem type serial cable or a regular serial cable WITH a null modem adapter between your computer s serial port and the RS 232 port of the CM16a Once properly connected dumb terminal program such as Hyper Terminal a widely used version on most Windows based PC s is started up and communication established between the PC and the CM 16a Below is the basic procedure for starting up Hyper Terminal naming the connection specifying the communications settings and an example of what you should see fora text menu once the communications link has been established As many different systems and configurations exist on user s PC s the exact appearance of the screen shots may vary from those shown Furthermore if programs other than Hyper Terminal are used you will need to follow your software s instructions for
47. riangle is in tended 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 equi lateral triangle is intended to alert the users to the presence of important op erating and maintenance servicing in structions in the literature accompany ing the product EXPLICATION DES SYMBOLES GRAPHIQUES Le symbole clair avec point de fl che a l intr rieur d un triangle quilat ral est utilis pour alerter l utilisateur de la pres ence l int rieur du coffret de voltage dangereux non isol d ampleur suffisante pour constituer un risque d el trocution Le point d exclamation l int rieur d un triangle quilat ral est employ pour alerter les utilisateurs de la pr sence d instructions importantes pour le fonctionnement et l entretien service dans le livret d instruction accompagnant l appareil ERKLARUNG DER GRAPHISCHEN SYMBOLE Der Blitz nach unten zeigendem Pfeil in einem gleichseitigen Dreieck weist den Benutzer auf das Vorhandensein einer unisolierten gef hrlichen Spannung im Geh use hin die stark sein kann einer Person einen elektrischen Schlag zu versetzen Das Ausrufzeichen in einem gleichseitigen Dreieck weist den Benutzer auf wichtige Betriebs und Wartungs vorschriften in den beiliegenden Unterlagen des Ger tes hi
48. rk Monitors are designed to operate on standard 10BASE T Ethernet Each CM16a operates as respective node on its network each unit contains a programmable IP address in nonvolatile memory and will therefore present no conflict with any other node on the same network Ethernet devices suchas hubs repeaters switches and routers will usually afford the flexibility to configure the network as needed The system controller computer on the network must have an Ethernet compatible network interface card NIC installed Additionally if operation during power outage or interruption is required an uninterruptable power supply UPS will be required for the host computer CM16a and any hubs switches or repeaters If the CM16a is disconnected from the network for any reason it will continue to process audio using the last settings The CM16a connects to the network via its RJ 45 connector on the rear panel This allows direct connection to a 10BASE T network Use Category 3 or better unshielded twisted pair UTP Ethernet Cable Most ready made Ethernet patch cables available today rated at least Category 5 making them suitable for this application One side note regarding Ethernet cabling Although Category 3 data cable is called out as the minimum requirement it is increasingly difficult to find Higher grades of cable are becoming the normal stock with the proliferation of 100BASE T Ethernet Category 5 Ethernet cable is the most widel
49. rmal operation The LED functions are described below POWER LED The power LED will illuminate whenever the power switch is in the POWER ON position DIAGNOSTIC LED This indicator first illuminates during the power on self test of CM16a then should off It will also illuminate to indicate that the CM16a self test has detected an unexpected event such as a corrupted firmware update via TFTP or a memory boot failure This would typically be accompanied by a fault code displayed by the PORT CONNECTED indicators described below If the DIAGNOSTIC LED remains illuminated try resetting the CM16a by cycling power off and on once Should the indication persist contact Technical Services for guidance NETWORK STATUS LED s For diagnostic purposes there are three network status LED s on the front and rear panels of the CM16a They are labeled RCV XMT and LINK STATUS Their locations are shown in the illustration at the start of the ntroduction section Their functions are described below RCV This LED lights up any time the CM16a receives data over the network XMT This LED lights up whenever the CM16a transmits data over the network LINK STATUS When lit this LED indicates that the CM16a is connected to an operating Ethernet network If not lit there is most likely a cabling problem between the CM16a and the hub or possibly a fault in the hub PORT CONNECTED LED s These LED s are labeled PORT A through PORT on the front pane
50. s of these tests will help to troubleshoot any problems The most common user item that might require settings to be changed would be the IP address information This would be useful if the IP address were somehow changed to an unrecognized address and subsequently you were unable to talk to the CM16a over the network Thissituation would require the Display Network Settings and Enter Network Setup items to be accessed and your re assigning a good IP address IP ADDRESS ASSIGNMENT ONLY REQUIRED FOR ATTACHING TO EXISTING NETWORKS DO NOT CHANGE THE COMMUNICATIONS SETTINGS OF THE CM16a UNLESS CERTAIN OF YOUR ACTIONS ALWAYS WRITE DOWN WHAT YOU CHANGED SHOULD YOU NEED TO RETURN TO THE INITIAL SETTINGS 29 Section 3 Operation Telnet Access The features outlined for the RS 232 port can also be accessed via the Ethernet network connection This feature can save a trip out to the remote CM16a with a laptop computer as long as the network and software are fully operable The Telnet session is a standard Windows program Consult Windows documentation for information reagrding the specifics of Telnet It is a very straight forward program to start and use This is the basic procedure for opening a Telnet session Telnet None 1 open the Telnet program Click START select RUN type TELNET in the text Connect Edit Terminal Help box amp click OK The blank Telnet screen should look similar to the example to t
51. s the system operator to tailor the behavior of the system to each application PAGING FUNCTIONS Input Sensitivity Sets the sensitivity of the Page Input to either 1 Vrms or 3 Vrms This selection should coincide with the level of the audio signal provided for the Page Input DAC This is a digital to analog converter that takes digital information from the internal microcontroller and outputs the corresponding analog equivalent to the appropriate channel PAGE insert points This oc curs only by instructions issued by the system operator or a custom control application It can be used for a variety of purposes from the playback of canned paging messages to testing of the complete system Internally this function is placed within the PAGING INPUT MODULE as shown in the block diagram Analog Page Input is disabled when using the DAC Page Input Thisis the Phoenix type3pin connec tor used for balanced line level analog page audio signal input 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 purposes 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 be necessary For the RS 232 port utilities see the Operation section Serial Port 1 0 Interface This sectio
52. t open detect Senses load gt 60 Ohms Threshold is adjustable in software Output voltage meter Range automatically matches to amplifier model used Range automatically matches to amplifier model used Output current meter Signal level must be greater than 32 dB referenced to maximum output of amplifier 33 Section 4 Specifications Power amplifier management Power amplifier interface i Protect indicator Senses amplifier protect status Compatibility QSC Data Port equipped amplifiers Temperature meter Reports amplifier operating Connector and cable temperature HD 15 VGA cable 2 meters length Over Temp Alert Software adjustable threshold qualified for longer runs contact QSC s Technical Services Department AC mode control Switches amplifier between Amplifiers Up to eight 2 Ch amplifiers or four 4 Ch normal and standby mode amplifiers or some combination thereof Amplifier status monitor AC power indicator Indicates operate standby or Clip indicator Senses channel clipping power down mode Control room foldback monitoring Signal monitoring buses 1 Output Sum of Monitor input and per CM16 signal from internal monitor Number of Channels 4 tap point e hw 16 Frequency response 25 2 20 kHz 0 5 dB Distortion lt 0 05 THD 4 dBu out Post fader input signal 16 Noise floor 90 5 dB Power amplifier output 16 Nominal
53. tter twisted pair Revision j Max cable length 100 m to hub Grounding Floating RS232 Port Cable Type Null Modem such as Laplink Port Settings Bits per Second 9600 Data Bits 8 Parity none Stop Bits 1 Flow Control Xon Xoff General Physical AC Power Height 1 72 1 RU Voltage 100 240 VAC Width 19 standard rack mount Current 1 1 ARMS 100V Depth 14 84 37 7 cm including 1 ARMS 120V rear supports 0 5 A RMS 2300 Weight 11 Ibs 5 kg Frequency 47 440 Hz Mounting Rear support recommended for Disconnect Detachable power cord with IEC portable or mobile use connector Operating temperature 0 to 50 Celsius Fuses 2 Ampere 250 Volt Rating 5mm diameter 20 mm length 35 SECTION 5 ARCHITECT S AND ENGINEER S SPECIFICATIONS The Amplifier Network Monitor shall provide input output and status control for DataPort equipped OSC power ampli fiers in an Ethernet TCP IP based network audio system Sixteen independent channels shall be provided grouped in pairs Amplifier Input Control and Monitoring for each of the sixteen power amplifier input signals the CM16a shall provide level mute and polarity control preand postfade signal level metering and audio monitoring and selectable 1Vrms or 3Vrms input sensitivity The Amplifier Network Monitor shall provide a page input separate from the normal program inputs whose signal may preemptthe program signal of any orall ofthe sixteen program channels This input shal
54. ug out card a crossover type cable is required All other connection methods utilize normal Ethernet cabling CONNECTING TO THE RS 232 PORT 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 BUT SHOULD NOT BE CHANGED UNLESS YOU KNOW FOR CERTAIN WHAT YOU ARE DOING Connection is made with a null modem serial cable with a DB 9 male plug to the CM16a Refer to Section 3 for more information CONNECTING TO AMPLIFIERS Amplifiers are connected to the CM16a via the PORT connections on the rear panel These HD 15 type connectors are labeled PORT A through PORT H The connection itself is made using standard VGA monitor cables the same type of cable that interconnects personal computers to their monitors To connect the cables to the CM16a simply orient the HD 15 connector with its wider side down look at the connector one side of the plug s metal surrounding is wider than the other and align it with the receptacle then gently push into the receptacle until itis firmly seated Use the retaining screws or finger screws supplied on the cable ends to secure the plug to the CM16a Be sure to tighten finger tight to avoid damage to the HD 15 receptacle When connecting to 4 channel amplifiers two basic rules must be adhered to First both DataPorts of the amplifier must be used Second both must be connected t
55. y available type of data cabling as of this writing So what does this mean Use Category 3 if it is available and cost effective If the cost of Category 5 cable is not prohibitive it may be desirable to do your cabling runs with Category 5 due to its increased data rate capabilities The extra capability may be needed for future system expansion where 100 BASE T devices are used 10BASE T capability is all that is required for the CM16a and thus the call out for Category 3 as the minimum There are three LED indicators on the CM16a that relate to network operation They are described Section 3 Operation Section 1 Introduction Sample Network Topologies The simplest network configuration is a single system controller computer and a CM16a con nected by a single Fthernet crossovercable 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 a hub or repeater For distances longer than 100 meters 300 feet a repeater must be used An active hub may be used as well Active hubs clean up and retransmit the network traffic much as a repeater does only with multiple ports The active hub would allow for future expansion
56. y on the CM16a Section 1 Introduction Physical Characteristics amp Layout PHYSICAL CHARACTERISTICS Each CM 16a is one rack space in height 180 and has an internal AC power supply Its chassis depth is 37 7 cm 14 84 in The width of the chassis is 44 0 cm 17 32 in For the detailed mounting dimensions please see specification section The weight of the CM16a is approximately 5 kilograms 11 pounds FRONT PANEL numbers correspond to reference locations shown in illustration to right The front panel of the CM16a includes 1 AC OFF POWER switch 2 Cooling air exhaust vents intake vents on left side of chassis as viewed from the front 3 AC POWER indicator LED 4 DIAGNOSTIC indicator LED 5 Network status indicator LED s RCV XMT and LINK STATUS duplicated on rear panel for convenience 6 PORT through PORT connection indicator LED s 7 Access hole for the BYPASS switch this is not labeled on the panel REAR PANEL numbers correspond to reference locations shown in illustration to right The rear panel of the CM16a has duplicates of the RCV XMT and LINK STATUS indicator LED s so that network status can be detected from the rear of the unit when installed in the equipment rack The rear panel provides the following connections 8 Eight HD 15 receptacles PORT A through PORT H for connection to amplifiers with VGA type cables 9 Sixteen Phoenix type Euro style 3 pin receptacles for audio inputs PORT A

QSC Audio CM16a Stereo Amplifier User Manual

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