background image

Professional Audio Distribution Processor 

Crestron 

CNX-PAD8A

 

 

NOTE:

  If rack mounting is not required, rubber feet are provided for tabletop 

mounting or stacking. Apply the feet near the corner edges on the underside of the 
unit. Refer to "Stacking" on page for details. 

NOTE:

  Reliable grounding of rack mounted equipment should be maintained. 

Particular attention should be given to supply connections other than direct 
connections to the branch circuit. (e.g., use of power strips). 

Two “ears” are provided with the CNX-PAD8A so that the unit can be rack 
mounted. These ears must be installed prior to mounting. Complete the procedure 
after this paragraph to attach ears to CNX-PAD8A. The only tool required for this 
procedure is a #2 Phillips screwdriver.  

1.  There are 16 screws (four #6-32 x 0.25" LG and 12 #6-32 x 0.375" LG) 

that secure the CNX-PAD8A top cover. Remove the three screws 
closest to the front panel from one side of the unit.  

2.  Position a rack ear so that its drilled holes align with the holes vacated 

by the screws in step 1.  

3.  Secure the ear to the CNX-PAD8A with three screws from step 1, as 

shown below.  

 

Ear Attachment for Rack Mounting 

FASTEN EACH EAR

WITH THREE TOP

COVER SCREWS

 

4.  Repeat procedure (steps 1 through 3) to attach ear to other (right) side. 

5.  If the rear panel of the CNX-PAD8A is accessible when mounted in the 

rack, install the CNX-PAD8A. If the rear panel is NOT accessible, 
perform the hookup procedure before rack installation. 

Stacking 

Four "feet" are provided with the CNX-PAD8A so that if the unit is not rack 
mounted, the rubber feet can provide stability when placed on a flat surface or 
stacked. These feet should be attached prior to the hookup procedure. Refer to the 
illustration below for placement of the feet.  

Feet Location (Bottom View of Unit) 

ATTACH FEET

NEAR CORNERS

OF THE UNIT

 

8  

  Professional Audio Distribution Processor: CNX-PAD8A 

Operations Guide – DOC. 8174 

Summary of Contents for CNX-PAD8A

Page 1: ...Crestron CNX PAD8A Professional Audio Distribution Processor Operations Guide ...

Page 2: ...This document was prepared and written by the Technical Documentation department at Crestron Electronics Inc 15 Volvo Drive Rockleigh NJ 07647 1 888 CRESTRON ...

Page 3: ...unting 7 Stacking 8 Hookup 9 Network Wiring 9 Identity Code 9 Programming 11 Programming with the Crestron AppBuilder 11 Programming with SIMPL Windows 12 CNX PAD8A Example Programs 13 The CNX PAD8A Basic Program 15 Problem Solving 20 Troubleshooting 20 Further Inquiries 21 Future Updates 21 Return and Warranty Policies 22 Merchandise Returns Repair Service 22 CRESTRON Limited Warranty 22 Operatio...

Page 4: ......

Page 5: ...oom amplifiers each of which can be chosen according to its application A general application of the CNX PAD8A is shown on the next page In addition the CNX PAD8A provides the mixing of stereo sources to mono Any Crestron user interface from keypad to touchpanel provides access and control to the CNX PAD8A s functions The CNX PAD8A should typically be installed with the Crestron amplifier i e CNAM...

Page 6: ...8A is housed in a black enclosure with silk screened labels on the front and rear panels On the front of the unit there are 10 LEDs for indicating the unit s current status There is also one LED on the back of the unit All connections are made to the back of the unit Refer to the physical view shown after these paragraphs Two mounting ears are provided for rack mounting and for table top mounting ...

Page 7: ...n 8 811 cm CRESTRON 19 000 in 48 260 cm 17 100 in 43 434 cm U S A 0 7 6 4 7 J N R O C K L E IG H IN C E L E C T R O I N C S C R S E T R O N 3 310 in 8 407 cm 16 910 in 42 951 cm 8 440 in 21 438 cm 3 480 in 8 839 cm Operations Guide DOC 8174 Professional Audio Distribution Processor CNX PAD8A 3 ...

Page 8: ...nnectors is used to connect the independent audio sources to the CNX PAD8A Of each set two of the connectors are used for the left and right audio channels and the remaining two connectors are parallel stereo loop throughs The eight rectangular blanks labeled 1 2 3 4 5 6 and 7 8 are used with the optional Audio Switcher Bussing Kit The kit contains a printed circuit board with eight connectors tha...

Page 9: ...e unit is polled on the network Illumination indicates that the SIMPL Windows program currently loaded has a network device defined at the same NET ID as the CNX PAD8A The LED flashes when communication with the processor occurs ROOMS 1 8 These eight LEDs illuminate when the corresponding room is enabled to receive audio from the CNX PAD8A SETUP This LED is the lone indicator on the back panel The...

Page 10: ...ite www crestron com New users are required to register in order to obtain access to the FTP site For programming purposes the CNX PAD8A is completely substitutable for the CNX PAD8 3 Crestron 2 Series control systems include the AV2 AV2 with Card Cage CP2 CP2E PAC2 PAC2M PRO2 and RACK2 4 Filenames for 2 Series control system update files have a CUZ extension and can be obtained from the What s Ne...

Page 11: ...Hz 2 dB steps As of the date of manufacture the CNX PAD8A has been tested and found to comply with specifications for CE marking NOTE This device complies with part 15 of the FCC rules Operation is subject to the following two conditions 1 these devices may not cause harmful interference and 2 these devices must accept any interference received including interference that may cause undesired opera...

Page 12: ...ver Remove the three screws closest to the front panel from one side of the unit 2 Position a rack ear so that its drilled holes align with the holes vacated by the screws in step 1 3 Secure the ear to the CNX PAD8A with three screws from step 1 as shown below Ear Attachment for Rack Mounting FASTEN EACH EAR WITH THREE TOP COVER SCREWS 4 Repeat procedure steps 1 through 3 to attach ear to other ri...

Page 13: ...s are introduced into the system Crestron recommends a maximum of four CNX PAD8As per system Therefore audio can be distributed to a maximum of 32 rooms Each input source has two sets left and right of RCA jacks connected in parallel Use one set of the jacks for source input and the other set for loop through Network Wiring NOTE When making wire connections refer to the latest revision of the Cres...

Page 14: ...aks After tinning the twisted ends insert the tinned connection into the network connector and tighten the retaining screw Repeat the procedure for the other three network conductors Identity Code Every equipment and user interface within the network requires a unique identity code NET ID These codes are recognized by a two digit hexadecimal number from 03 to FE The NET ID of the unit must match a...

Page 15: ... is proportional to the degree of programming expertise i e the more flexible the more a programmer needs to know and account for Of course one can initiate programming using the easiest method Crestron AppBuilder and use advance techniques that are available from SIMPL Windows to customize the job Programming with the Crestron AppBuilder Easiest method of programming that by itself does not offer...

Page 16: ...SIMPL Windows is Crestron s software for programming Crestron control systems It provides a well designed graphical environment with a number of workspaces i e windows in which a programmer can select configure program test and monitor a Crestron control system The next three sections describe a CNX PAD8A within SIMPL Windows The first section provides initial configuration information the second ...

Page 17: ...ct the NET ID tab and scroll to the desired hexadecimal ID Alternatively single click then right click on CNX PAD8A and select Configure to open Device Settings window SIMPL is Crestron s object oriented programming language designated for easy implementation of the control system requirements The objects that are used in SIMPL are called symbols CNX PAD8A Symbol The CNX PAD8A symbol is defined by...

Page 18: ...tings relative to the 50 mark That is a balance input with a value of 50 indicates that audio is distributed evenly between the left and right speakers Likewise 50 indicates a neutral level for treble and bass 3 These inputs are scaling factors That is if min vol equals 20 and the corresponding max vol equals 80 then the distributed output will be scaled accordingly 4 The comp src inputs are measu...

Page 19: ... outputs of a daisy chained CNX PAD8A system but for clarity only one is described The touchpanel or other user interface must be programmed with eight source select signals and a room off signal A volume up and volume down signals B and a mute signal C The signals are sent to the basic symbols that are discussed in this section The touchpanel also has to be programmed to receive and utilize butto...

Page 20: ...ck Symbol S 3 in SIMPL Windows Programming Manager Analog initialize symbol S 2 receives the source select signal from the touchpanel A and outputs analog signal room_1_source This signal is routed to the CNX PAD8A E and the symbols that are used to illuminate the front panel LED F A room_1_off signal from the touchpanel turns the source selection signal off Detail View of Analog Initialize Module...

Page 21: ...te the front panel LED E Detail View of Analog Equate and NOT Symbols S 6 and S 7 in SIMPL Windows Programming Manager An analog ramp is used to adjust the room volume The symbol receives volume_up and volume_down signals B from the touchpanel buttons The level of the volume is sent to the CNX PAD8A E The ramp will adjust through the entire range of the volume 0 to 100 in 5 seconds Detail View of ...

Page 22: ... the CNX PAD8A E to mute the audio When in the mute mode pressing the touchpanel MUTE button again clocks the toggle to remove the mute signal While in the mute mode pressing any source or volume button of the touchpanel A is also input to the OR symbol S 5 The output of this symbol resets toggle S 4 to remove the mute signal E from the CNX PAD8A Detail View of Toggle and OR Symbols S 4 and S 5 in...

Page 23: ...can adjust settings for each room In the basic program these extended capabilities are factory set to values that are provided by this symbol G Detail View of Analog Initalize Symbol S 8 in SIMPL Windows Programming Manager Operations Guide DOC 8174 Professional Audio Distribution Processor CNX PAD8A 19 ...

Page 24: ...her assistance is required please contact a Crestron customer service representative CNX PAD8A Troubleshooting TROUBLE POSSIBLE CAUSE S CORRECTIVE ACTION PWR LED does not illuminate CNX PAD8A is not receiving power Verify that cable plugged into NET port is secure NET LED does not illuminate Loose network connection Verify that cables plugged into NET port is secure Improper NET ID Verify that CNX...

Page 25: ...stron Latin America at 5255 5093 2160 In Australia and New Zealand call Crestron Control Solutions at 61 2 9737 8203 Future Updates As Crestron improves functions adds new features and extends the capabilities of the CNX PAD8A additional information and programming examples may be made available as manual updates These updates are solely electronic and serve as intermediary supplements prior to th...

Page 26: ...cent lamps are not covered This warranty extends to products purchased directly from CRESTRON or an authorized CRESTRON dealer Purchasers should inquire of the dealer regarding the nature and extent of the dealer s warranty if any CRESTRON shall not be liable to honor the terms of this warranty if the product has been used in any application other than that for which it was intended or if it has b...

Page 27: ...Crestron CNX PAD8A Professional Audio Distribution Processor This page intentionally left blank Operations Guide DOC 8174 Professional Audio Distribution Processor CNX PAD8A 23 ...

Page 28: ...Crestron Electronics Inc Operations Guide DOC 8174 15 Volvo Drive Rockleigh NJ 07647 12 01 Tel 888 CRESTRON Fax 201 767 7576 Specifications subject to www crestron com change without notice ...

Reviews: