Crestron CNX-ASBK Come usare

Crestron CNX-ASBK

Audio Switcher Bussing Kit

Operations & Installation Guide

Crestron CNX-ASBK Audio Switcher Bussing Kit

Contents

Audio Switcher Bussing Kit: CNX-ASBK 1

Description 1

Functional Description 1

Physical Description 1

Identity Codes of the CNX-PAD8s 2

Installing CNX-ASBKs into CNX-PAD8s 3

Industry Compliance 7

Programming Daisy-Chained CNX-PAD8s 7

Problem Solving 8

Troubleshooting 8

Further Inquiries 8

Future Updates 8

Return and Warranty Policies 9

Merchandise Returns / Repair Service 9

CRESTRON Limited Warranty 9

Operations & Installation Guide - DOC. 8143 Contents •i

Crestron CNX-ASBK Audio Switcher Bussing Kit

Audio Switcher Bussing Kit:

CNX-ASBK

Description

Functional Description

The Audio Switcher Bussing Kit, CNX-ASBK, is used to daisy-chain CNX-PAD8s

to expand the number of room outputs. Each CNX-PAD8 controls up to eight audio

sources and distributes the audio to up to eight room amplifiers (not supplied). A

maximum of four CNX-PAD8s may be daisy-chained together to provide up to 32

room outputs. The CNX-ASBK provides for the additional outputs by bussing up to

eight inputs while preventing extreme impedance loading. One kit is needed for each

CNX-PAD8 that is to be daisy-chained.

Physical Description

Each CNX-ASBK consists of one Point Cross Loop Printed Circuit Board (PCB)

Assembly, eight 4-conductor Cross Point PCB to Processor PCB Cable Assemblies,

and four 12-conductor Bussing Cable Assemblies. Refer to the physical views shown

after this paragraph.

PCB Assembly (Front and Rear View)

4-PIN CONNECTORS

12-PIN CONNECTORS

PCB MOUNTED STAND-OFFS

(FRONT VIEW)

(REAR VIEW)

8.59"

1.48"

Operations & Installation Guide - DOC. 8143 Audio Switcher Bussing Kit: CNX-ASBK •1

Audio Switcher Bussing Kit Crestron CNX-ASBK

PCB to PCB Cable (2-inch, 4-conductor)

(BOTTOM VIEW)

(SIDE VIEW)

Bussing Cable (6-inch, 12-conductor)

KEY

(SIDE VIEW)

(BOTTOM VIEW)

Identity Codes of the CNX-PAD8s

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 an ID code specified in the SIMPL

Windows program. The Net ID of CNX-PAD8s is factory set to 44. The Net IDs of

each of the daisy-chained CNX-PAD8s must be unique and changed from a PC via

VisionToolsTM Pro-e (VT Pro-e) or SIMPL Windows.

The method for changing the unit’s Net ID is identical regardless of the software

chosen. Verify that the control system software is running and complete the

following steps to change the Net ID:

1. Disconnect all network devices from the control system.

2. Attach one of the CNX-PAD8s that needs to have its Net ID changed to

the control system.

3. Select Tools | Viewport to open “Crestron Viewport” dialog box.

4. Select Functions | Set Network ID. The software checks the baud rate

and then opens the “Set Network ID” dialog box.

5. The list of current network devices is normally shown in the dialog

box. Highlight the CNX-PAD8.

6. The Net ID of the CNX-PAD8 (default is 44) appears in the box below

the list. Use the scroll arrow to assign another Net ID.

7. When the newly assigned Net ID appears, select the Set ID button to

initiate the change.

8. The software responds with a successful message to confirm the new

Net ID.

9. To verify this procedure, select Diagnostics | Report Network

Devices. Confirm that the CNX-PAD8 has a new Net ID code.

10. Repeat steps 2 - 10 of this procedure for each CNX-PAD8 that needs its

Net ID changed.

11. Reconnect other network devices that were disconnected in step 1.

2 •Audio Switcher Bussing Kit: CNX-ASBK Operations & Installation Guide - DOC. 8143

Crestron CNX-ASBK Audio Switcher Bussing Kit

Installing CNX-ASBKs into CNX-PAD8s

One CNX-ASBK is required for each CNX-PAD8 that is to be daisy-chained. The

only tools required are a Phillips tip screwdriver and a grounding strap. Follow the

assembly procedure and illustrations that begin after this paragraph.

CAUTION: The CNX-PAD8s must be opened to install the CNX-ASBK. Observe

precautions for handling electrostatic sensitive devices (ESDs).

NOTE: To daisy-chain CNX-PAD8s, all of the units must be stacked directly above

the other.

NOTE: This procedure assumes that one CNX-PAD8 is already rack mounted in a

network system. If this is a totally new installation, start on step 7 of this procedure.

1. If the back panel of the CNX-PAD8 is accessible, remove the rack

mounting screws. If the back panel is NOT accessible, remove the

screws and pull CNX-PAD8 partially out of the rack to gain access.

2. At the rear of the CNX-PAD8, disconnect the electrical power (4-pin

Cresnetpower connector and/or the external power pack).

3. Note (or label) the position of each 6-pin RJ-11 network device cable

and disconnect.

4. Note (or label) the position of audio output, audio input loop-through,

and audio input RCA cables and disconnect each cable.

5. Remove the ground wire from the CNX-PAD8 ground screw.

Rear View of CNX-PAD8

CRESNET

POWER

ELECTRONICS INC. ROCKLEIGH, N.J. 07647

CRESTRON

RIGHT

LEFT

SOURCES

1 - 2

3 - 4

5 - 6

RIGHT

LEFT

7 - 8

ROOMS

321 7654

Y Z G

CRESNET 24VDC

AUDIO

INPUT

AUDIO

OUTPUT

EXTERNAL

POWER

PACK

GROUND

SCREW

AUDIO INPUT

LOOP-THROUGH

NETWORK

DEVICES

6. Remove the mounting ears from each side of the CNX-PAD8.

Remove the Mounting Ears

REMOVE THESE

(3) SCREWS

FROM EACH SIDE

Operations & Installation Guide - DOC. 8143 Audio Switcher Bussing Kit: CNX-ASBK •3

Audio Switcher Bussing Kit Crestron CNX-ASBK

NOTE: The remaining steps of this procedure describe the installation of one

CNX-ASBK into one CNX-PAD8. The steps apply to all of the CNX-PAD8s to be

daisy-chained and may be performed in an “assembly line” fashion on all of the

CNX-PAD8s at the same time.

7. Place the CNX-PAD8 right-side-up on a flat surface.

8. Remove the cover screws from the top and sides of the CNX-PAD8.

Remove the Cover Screws

REMOVE FOUR

(4) TOP SCREWS

REMOVE THREE

(3) SIDE SCREWS

REMOVE THREE

(3) SIDE SCREWS

IF NOT RACK

MOUNTED, REMOVE

THESE (3) SIDE

SCREWS ALSO

IF NOT RACK

MOUNTED, REMOVE

THESE (3) SIDE

SCREWS ALSO

9. Lift and remove the CNX-PAD8 top cover.

10. From the rear of the CNX-PAD8, remove the 10 back panel cover plate

mounting screws and remove the cover plate.

Back Panel Cover Plate Mounting Screws

ELECTRONICS INC. ROCKLEIGH, N.J. 07647

CRESTRON

RIGHT

LEFT

SOURCES

1 - 2

3 - 4

5 - 6

RIGHT

LEFT

7 - 8

ROOMS

321 7654

YZG

CRESNET 24VDC

10 COVER PLATE

MOUNTING SCREWS

11. Making sure that the rear of the PCB assembly faces the rear of the

CNX-PAD8, insert the PCB into the position that was occupied by the

back panel cover plate as shown after this step. Install the PCB with the

10 cover plate screws that were removed.

4 •Audio Switcher Bussing Kit: CNX-ASBK Operations & Installation Guide - DOC. 8143

Crestron CNX-ASBK Audio Switcher Bussing Kit

Install the PCB Assembly

10 COVER

PLATE SCREWS

NOTE: DO NOT twist the cables during installation. The cables are custom

designed and will fit perfectly. If the cable does not fit correctly, switch the cable

ends from the PCB to the CNX-PAD8 processor PCB. DO NOT force the connector

onto pins.

12. Hold one end of the PCB to PCB cable (2-inch, 4-pin) toward the front

of the CNX-PAD8. Carefully align and insert the other connector onto

the connector on CNX-PAD8 processor PCB.

13. Curl the cable directly above and insert the other connector onto the

pins of the PCB as shown.

Install the PCB to PCB Cables

Operations & Installation Guide - DOC. 8143 Audio Switcher Bussing Kit: CNX-ASBK •5

Audio Switcher Bussing Kit Crestron CNX-ASBK

14. Repeat the previous two steps for all of the remaining PCB to PCB

cables.

15. Install the rack mounting ears and then the remaining cover screws to

11-inch/pounds.

Install the CNX-PAD8 Cover

INSTALL FOUR

(4) TOP SCREWS

INSTALL THREE

(3) SIDE SCREWS

INSTALL THREE

(3) SIDE SCREWS

IF NOT RACK

MOUNTED, INSTALL

THESE (3) SIDE

SCREWS ALSO

IF NOT RACK

MOUNTED, INSTALL

THESE (3) SIDE

SCREWS ALSO

16. If this procedure has been performed on only one CNX-PAD8, repeat

this procedure from step 7 for all of the CNX-PAD8s to be daisy-

chained.

17. If the back panels of the CNX-PAD8s will be accessible when mounted

in the rack, install the CNX-PAD8s. If the back panels will NOT be

accessible, hookup all cables before installing into rack.

NOTE: DO NOT twist the cables during installation. The cables are custom

designed and will fit perfectly. If the cable does not fit correctly, switch the cable

ends from one CNX-PAD8 to another. DO NOT force the connector onto pins.

18. Note the position of the connector keys and install the bussing cables

(6-inch, 12-conductor) from CNX-PAD8 to CNX-PAD8. Shown below

are the bussing cables for audio sources 1 – 2. Connect the cables as

required per custom installation.

Install the Bussing Cables

ELEC S INC. ROCKLEIGH, N.J. 07647

CRESTRON

RIGHT

LEFT

SOURCES

1 - 2

3 - 4

5 - 6

RIGHT

LEFT

7 - 8

ROOMS

321 7654

YZG

CRESNET 24VDC

12-PIN, 6-INCH CABLE TO CNX-PAD8

ABOVE, IF APPLICABLE

12-PIN, 6-INCH CABLE TO CNX-PAD8

BELOW, IF APPLICABLE

NOTE POSITION

OF CONNECTOR KEY

6 •Audio Switcher Bussing Kit: CNX-ASBK Operations & Installation Guide - DOC. 8143

Crestron CNX-ASBK Audio Switcher Bussing Kit

19. Daisy-chain the ground wire to each CNX-PAD8.

NOTE: Additional audio patch cords are not required. The bussing cables provide

parallel audio inputs to all of the CNX-PAD8s.

20. Connect the audio RCA cables to the audio inputs and/or audio input

loop-through into their original positions of the original or “primary”

CNX-PAD8.

21. If the configuration of the original CNX-PAD room outputs is to be

kept, reconnect the audio output cables to their original positions.

Connect the audio outputs of the each CNX-PAD8 to their designated

room amplifiers.

22. Connect each 6-pin RJ-11 network device cable to its original position.

23. Using network device cables (not supplied), daisy-chain each

CNX-PAD8 to each other or the control system.

24. At the rear of the CNX-PAD8s, connect the electrical power (4-pin

Cresnet power connectors and/or the external power packs).

Industry Compliance

As of the date of manufacture, this unit has been tested and found to comply with

specifications for CE marking and standards per EMC and Radiocommunications

Compliance Labelling.

Programming Daisy-Chained CNX-PAD8s

The CNX-PAD8s can be programmed to fit any customized installation. Daisy-

chained CNX-PAD8s are programmed individually by using their unique Net IDs.

Refer to the CNX-PAD8 Operations Guide (latest revision of Doc. 8137) for further

information.

Operations & Installation Guide - DOC. 8143 Audio Switcher Bussing Kit: CNX-ASBK •7

Audio Switcher Bussing Kit Crestron CNX-ASBK

Problem Solving

Troubleshooting

The table below provides corrective action for possible trouble situations of the

daisy-chained CNX-PAD8s. If further assistance is required, refer to the CNX-PAD8

Operations Guide or please contact a Crestron customer service representative.

Daisy-Chained CNX-PAD8 Troubleshooting

TROUBLE POSSIBLE

CAUSE(S) CORRECTIVE ACTION

No audio at all CNX-

PAD8s.

Audio source cables

not connected.

Verify that audio source cables

plugged into original or "primary" CNX-

PAD8 are secure.

One or more (but not

all) CNX-PAD8s not

distributing audio.

Bussing cable(s) or

pin(s) damaged or not

connected properly.

Check pins and temporarily swap

bussing cable(s). Replace cable(s) if

damaged.

PCB to PCB cable(s) or

pin(s) damaged or not

connected properly.

Check pins and temporarily swap PCB

to PCB cable(s). Replace cable(s) if

damaged.

Yellow NET LED on

the front panel of a

daisy-chained CNX-

PAD8 does not

illuminate.

Improper NET ID. Verify that CNX-PAD8 NET ID

matches NET ID software program.

Refer to "Identity Codes of the CNX-

PAD8s".

Further Inquiries

If you cannot locate specific information or have questions after reviewing this

guide, please take advantage of Crestron's award winning customer service team by

calling the Crestron corporate headquarters at 1-888-CRESTRON [1-888-273-7876].

For assistance in your local time zone, refer to the Crestron website

(www.crestron.com) for a listing of Crestron worldwide offices.

You can also log onto the online section of the Crestron website (www.crestron.com)

to ask questions about Crestron products. First-time users will need to establish a

user account to fully benefit from all available features.

Future Updates

As Crestron adds improvements to the CNX-ASBK, additional information may be

made available as manual updates. These updates are solely electronic and serve as

intermediary supplements prior to the release of a complete technical documentation

revision.

Check the Crestron website (www.crestron.com) periodically for manual update

availability and its relevance. Updates are available from the Download | Product

Manuals section and are identified as an “Addendum” in the Download column.

8 •Audio Switcher Bussing Kit: CNX-ASBK Operations & Installation Guide - DOC. 8143

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