Crestron CNX-BIPAD8 User Manual

Crestron CNX-BIPAD8
Professional Audio Distribution Processor
Operations Guide

This document was prepared and written by the Technical Documentation department at:

Crestron Electronics, Inc.

15 Volvo Drive

Rockleigh, NJ 07647

1-888-CRESTRON

All brand names, product names and trademarks are the property of their respective owners.

©2003 Crestron Electronics, Inc.

Crestron CNX-BIPAD8 Professional Audio Distribution Processor

Contents

Professional Audio Distribution Processor: CNX-BIPAD8 1

Introduction 1

Features and Functions 1
Specifications 3
Physical Description 4
Industry Compliance 7

Setup 7

Network Wiring 7
Identity Code 8
Rack Mounting 9
Stacking 10
Hardware Hookup 10
Typical Room Configurations 11
Signal Distribution to More than Eight Rooms 12
Expanded Distribution of Local Audio Sources 13

Programming Software 15

Earliest Version Software Requirements for the PC 15
Programming with SIMPL Windows 15

Uploading and Upgrading 19

Communication Settings 19
Uploading a SIMPL Windows Program 21
Firmware Upgrade 23

Problem Solving 24

Troubleshooting 24
Further Inquiries 25
Future Updates 25

Return and Warranty Policies 26

Merchandise Returns / Repair Service 26
CRESTRON Limited Warranty 26

Operations Guide – DOC. 8160A Contents • i

Crestron CNX-BIPAD8 Professional Audio Distribution Processor

Professional Audio Distribution
Processor: CNX-BIPAD8

Introduction

Features and Functions

The Crestron Bi-Directional Professional Audio Distribution Processor,
CNX-BIPAD8, is a second-generation product in Crestron’s audio distribution
product line. The unit is an 8-channel preamplifier that has all of the capabilities of
the CNX-PAD8A product plus the ability to route balanced line audio to and from
remote locations utilizing low cost CAT5 cables and Crestron’s CNXRMCLV,
C2N-DAP8RC, or C2N-DAP8 room boxes. The Cresnet system supplies power to
the unit.

Functional Summary

• 16 line level/unbalanced stereo source inputs (L/R audio) plus
loop-through

• 8 CAT5 bi-directional inputs and outputs for professional-grade
balanced audio to/from remote locations, using CNXRMCLV or
C2N-DAP8/C2N-DAP8RC local room boxes

• 8 RCA outputs with built-in volume/tone preamplifiers and mute
relays

• Built-in 24x8 stereo crosspoint switch

• Input level compensation adjustments

• Daisy-chaining for distribution up to 32 Rooms

The CNX-BIPAD8 controls the selection of up to 24 stereo audio sources, and then
distributes the audio to up to eight room amplifiers or Crestron room control boxes.

The unit’s sixteen stereo head end audio inputs are RCA type connectors with loop
through. These inputs plus the eight additional CAT5 stereo inputs pass through a
stereo 24x8 cross-point switch. Each output of the cross-point switch goes to a
differential driver to the CAT5 connectors. The same cross-point outputs also go to
the CNX-BIPAD8 preamplifiers and mute relays before they go to the RCA output
connectors. The cross point switch makes it possible to route any of the 24 audio

Operations Guide – DOC. 8160A Professional Audio Distribution Processor: CNX-BIPAD8 • 1

Professional Audio Distribution Processor Crestron CNX-BIPAD8

inputs to any of the eight outputs. The following simplified diagram illustrates the
internal signal routing.

Simplified Audio Signal Routing

Up to four units can be daisy-chained via the RCA loop-through connectors to
extend distribution to up to 32 rooms.

The CNX-BIPAD8 preamplifier circuits provide the following controls for each of
the eight RCA outputs:

• Loudness — Activates the loudness function, commonly found on stereo
amplifiers, to boost low- and high-frequency signals at low volume settings
to compensate for natural hearing limitations at lower volume levels.

• Volume — Sets minimum and maximum volume levels and controls the
relative audio level within that range.

• Balance, Bass, and Treble — Specifies levels for these settings relative to a
50% neutral or balanced signal.

• Mono — Changes the audio setting from stereo to mono (monaural) mode.

• Compensation — Source gain compensation that normalizes input levels

from different sources; for example, setting the volume range of a VCR
equal to that of a CD player.

• Mute — Electronically attenuates signal.

• On/Off — Activates electronic relays that cut sound to a room.

Optional source and numeric keypads or any other Crestron network panel or
touchpanel may be added to the individual rooms to interface with the CNX­BIPAD8. For more information regarding such devices, refer to the Downloads |
Product Manuals section of the Crestron website (www.crestron.com).

NOTE: Unit does not ship with default parameters for adjustable values (bass,
treble, or compensation). These values must be set in the program for the unit to
operate correctly.

2 • Professional Audio Distribution Processor: CNX-BIPAD8 Operations Guide - DOC. 8160A

Crestron CNX-BIPAD8 Professional Audio Distribution Processor

Specifications

Specifications for the CNX-BIPAD8 are listed in the following table.

CNX-BIPAD8 Specifications

SPECIFICATION DETAILS

Power Requirements 20 Watts (0.83 Amp @ 24 VDC)

Default NET ID 44

Control System Update Files

2-Series Control System Update

File

CNMSX-AV/Pro Update File

CNRACKX/-DP Update File

ST-CP Update File

CEN/CN-TVAV Update File

CNX-BIPAD8 Firmware Bipad-22.upg

RCA input ports (labeled 1 – 16) RCA jacks – Sixteen sets of four: two for left and right

RCA output ports (labeled ROOMS) RCA jacks – Eight pairs for left and right preamplified (line

CAT5 I/O ports (labeled ROOMS) RJ-45 Jacks – Eight shielded jacks for balanced line

Tone specifications (per channel) Flatness (8 to 60 KHz flat mode) ±0.2 dB

Preamp specifications (per channel) Input impedance 47K Ohms

Rack space required 2U high, 1U wide

Environmental temperature 41° to 122°F (5° to 50°C)

Humidity 10% to 90% RH (non-condensing)

Dimensions Height: 3.47 in (8.81 cm)

Weight 6.2 lb (2.8 kg)

1. The latest versions can be obtained from the Downloads | Software Updates section of the Crestron
website (www.crestron.com). Refer to NOTE on the next page.

2. Crestron 2-Series control systems include the AV2, CP2, CP2E, MP2, MP2E, PAC2, PRO2, and
RACK2.

3. CNX update files are required for either CNMSX-AV/Pro or CNRACKX/-DP. Filenames for CNX
update files have a UPZ extension and are in one EXE or zipped UPZ file. To avoid program problems,
make certain you are using the update file with the correct suffix letter (e.g., S, V, W, X).

1, 2, 3

Version 2.004.CUZ or later

Version 5.12.63X.UPZ or later

Version 5.12.63W.UPZ or later

Version 4.02.4S.UPZ or later

Version 5.12.63V.UPZ or later

audio; two for stereo loop-through.

level) audio for corresponding room power amplifiers.

audio to/from remote locations; one CAT5 stereo input
and output per connector.

Bass gain range (100 Hz) ±12 dB

Bass step size (100 Hz) 2 dB

Treble gain range (10 KHz) ±12 dB

Treble step size (10 KHz) 2 dB

Total harmonic distortion (THD) <0.02%

S/N ratio >100 dB

Maximum input level (flat mode) 3.2 Vrms

Maximum output level 2.5 Vrms

Channel separation >90 dB

Gain range (excluding mute) -80 dB to +20 dB

Volume steps 100 (1 dB/step)

Mute > 120 dB (relay)

100 dB (electronic mute)

Width: 17.10 in (43.43 cm)

Depth: 8.44 in (21.44 cm)

Operations Guide – DOC. 8160A Professional Audio Distribution Processor: CNX-BIPAD8 • 3

Professional Audio Distribution Processor Crestron CNX-BIPAD8

NOTE: Outputs from the RCA and RJ-45 CAT5 connectors (ROOMS 1-8) are the
same signals. The RCA outputs first pass through preamplifier and tone/volume
control circuits; the balanced outputs from the CAT5 connectors are unprocessed.

NOTE: Crestron software and any files on the website are for Authorized Crestron
dealers and Crestron Authorized Independent Programmers (CAIP) only. New users
may be required to register to obtain access to certain areas of the site (including the
FTP site).

Physical Description

The CNX-BIPAD8 is housed in a black enclosure with labeling on the front and rear
panels. Ten LEDs on the front panel indicate the unit’s current status. All
connections are made to the back of the unit. Refer to the following illustrations of
the front and rear panels and the physical views on the next page.

Two mounting ears are provided for rack mounting, and four square rubber feet are
supplied for stability and to prevent slippage in tabletop placement or stacking
configurations.

CNX-BIPAD8 Front Panel

CNX-BIPAD8 Rear Panel

4 • Professional Audio Distribution Processor: CNX-BIPAD8 Operations Guide - DOC. 8160A

Crestron CNX-BIPAD8 Professional Audio Distribution Processor

NET

CNX-BIPAD8 Physical Views

NET

ROOMS

SETUP

24 Y Z G

5

3.480 in (8.84 cm)
with Optional

Feet Mounted

3.310 in

(8.407 cm)

9 10 1311 12 14 15

LEFT

RIGHT

1 2 3 4 5 6 7

LEFT

RIGHT

CRESTRON ELECTRONICS INC. ROCKLEIGH N.J. 07674 USA

16.910 in

(42.951 cm)

16

8

1 2 3 4 6 7 8

LEFT

RIGHT

8.250 in

(20.955 cm)

17.100 in
(43.43 cm)

19.000 in

(48.26 cm)

3.469 in

(8.811 cm)

P R O F E S S I O N A L A U D I O D I S T R I B U T I O N P R O C E S S O R

POWER

NET

CRESTRON

ROOMS

42 53 8761

CNX-BIPAD8

CNX-BIPAD8 Ports

All connections to the CNX-BIPAD8 are made through the ports on the rear panel.
Refer to the illustrations and descriptions, which follow.

8.440 in

(21.437 cm)

NET

The 4-pin network connector is used to connect the CNX-BIPAD8 to the Cresnet
system. Data and power for the CNX-BIPAD8 is provided via the connection. Refer

24 Y Z G

Operations Guide – DOC. 8160A Professional Audio Distribution Processor: CNX-BIPAD8 • 5

to “Network Wiring” on page 7.

Professional Audio Distribution Processor Crestron CNX-BIPAD8

ROOMS

The eight, shielded RJ-45 connectors provide for balanced line audio to/from remote

Pin 1

JACK, REAR VIEW

(TAB POSITION DOWN)

locations in the facility; one CAT5 stereo input and output per connector. Signal
connections for the jacks are given in the following table.

Pin # Signal

1 Audio In L +

2 Audio In L -

3 Audio In R +

4 Audio Out L -

5 Audio Out L +

6 Audio In R -

7 Audio Out R +

8 Audio Out R -

NOTE: For additional information on audio/video connections over CAT5, refer to
the latest version of the Crestron CAT5 Wiring Reference Guide (Doc. 6137) which
is available from the Downloads | Product Manuals section of the Crestron website
(www.crestron.com).

The eight pairs of RCA jacks output pre-amplified (line-level) and volume/tone
processed audio to corresponding room power amplifiers. Each room output contains
left and right audio channels. (These are the same signals as the unprocessed outputs
from the CAT5 connectors.)

1 – 16 (Source Connectors)

The sixteen sets of four RCA jacks connect independent audio sources to the CNX­BIPAD8. Of each set, two of the connectors are used for left and right audio
channels; the other two are parallel stereo loop-throughs.

(Chassis Ground)

Use this chassis screw to connect the audio source(s) common ground(s) to the
CNX-BIPAD8.

Indicators

Ten LED indicators on the front panel indicate the unit’s current status.

CNX-BIPAD8 Indicators

P R O F E S S I O N A L A U D I O D I S T R I B U T I O N P R O C E S S O R

PWR

NET

CRESTRON

ROOMS

42 53 8761

CNX-BIPAD8

PWR (Power)

This LED illuminates when 24 volts DC is supplied to the CNX-PAD8.

6 • Professional Audio Distribution Processor: CNX-BIPAD8 Operations Guide - DOC. 8160A

Crestron CNX-BIPAD8 Professional Audio Distribution Processor

NET

This LED illuminates when communication between the control system and the
CNX-BIPAD8 is established (the 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-BIPAD8. The LED flashes when
communication with the processor occurs.

ROOMS 1 – 8

These eight red LEDs illuminate when the corresponding room is enabled to receive
audio from the CNX-BIPAD8.

SETUP

This LED is the lone indicator on the back panel. The purpose of the LED is
intended for future use and was not defined at the time of printing.

Pushbutton

There is one pushbutton on the CNX-BIPAD8 rear panel. The SETUP pushbutton is
for future use and was not defined at the time of printing.

Setup

Industry Compliance

As of the date of manufacture, the CNX-BIPAD8 has been tested and found to
comply with specifications for CE marking and standards per EMC and
Radiocommunications Compliance Labelling (N11785)

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 operation.

Network Wiring

CAUTION: Use only Crestron power supplies for Crestron equipment. Failure to do
so could cause equipment damage or void the Crestron warranty.

NOTE: When installing network wiring, refer to the latest revision of the wiring
diagram(s) appropriate for your specific system configuration, available from the
Downloads | Product Manuals | Software and Wiring Diagrams section of the
Crestron website (www.crestron.com)

.

When calculating the wire gauge for a particular network run, the length of the run
and the power factor of each network unit to be connected must be taken into
consideration. If network units are to be daisy-chained on the run, the power factor
of each network unit to be daisy-chained must be added together to determine the

Operations Guide – DOC. 8160A Professional Audio Distribution Processor: CNX-BIPAD8 • 7

Professional Audio Distribution Processor Crestron CNX-BIPAD8

power factor of the entire chain. The length of the run in feet and the power factor of
the run should be used in the following resistance equation to calculate the value on
the right side of the equation.

Resistance Equation

40,000

Where:

R <

L x PF

The required wire gauge should be chosen such that the resistance value is less than
the value calculated in the resistance equation. Refer to the table after this paragraph.

Wire Gauge Values

R = Resistance (refer to table below).
L = Length of run (or chain) in feet.

PF = Power factor of entire run (or chain).

RESISTANCE (R) WIRE GAUGE

4

6

10

15

13

8.7

NOTE: All network wiring must consist of two twisted-pairs. One twisted pair is
the +24V conductor and the GND conductor and the other twisted pair is the Y
conductor and the Z conductor.

NOTE: When daisy chaining network units, always twist the ends of the incoming
wire and outgoing wire that share a pin on the network connector. After twisting the
ends, tin the twisted connection with solder. Apply solder only to the ends of the
twisted wires. Avoid tinning too far up or the tinned end becomes brittle and breaks.
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.

16

18

20

22

Doubled CAT5

Tripled CAT5

Identity Code

Every equipment and user interface within the Cresnet system requires a unique
identity code (NET ID). These codes are two-digit hexadecimal numbers from 03 to
FE. The NET ID of the unit must match the NET ID specified in the SIMPL
Windows program. Refer to “Setting the Net ID in Device Settings” on page 16 for
details of the SIMPL Windows procedure. The NET ID of each CNX-BIPAD8 has
been factory set to 44. The NET IDs of multiple CNX-BIPAD8s in the same system
must be unique and changed from a personal computer (PC) via the Crestron
Viewport, which is available through VisionTools
Windows, or as a standalone utility.

NOTE: For detailed information on establishing communication between the PC
and Control System, refer to “Communication Settings” on page 19. If
communication cannot be established, refer to the “Troubleshooting
Communications” section in the respective Operations Guide for the control system.

NOTE: VT Pro-e is a Windows compatible software package for creating Crestron
touchpanel screen designs.

8 • Professional Audio Distribution Processor: CNX-BIPAD8 Operations Guide - DOC. 8160A

®

Pro-e (VT Pro-e) or SIMPL

Crestron CNX-BIPAD8 Professional Audio Distribution Processor

The method for changing the unit's NET ID is identical regardless of the software
chosen. Complete the following steps to change the NET ID.

1. Attach a CNX-BIPAD8 to the control system (verify that the software
is running).

2. From the SIMPL Windows or VT Pro-e menu, select Tools | Viewport
to open the Crestron Viewport.

3. From the Viewport menu, select Diagnostics | Establish
Communications to verify communications.

4. From the Viewport menu, select Functions | Set Network ID. The
software checks the baud rate and then opens the "Set Network ID"
window.

5. In the "Set Network ID" window, select the CNX-BIPAD8 from the
Current Network Devices text window.

6. From the Choose the new network ID for the selected device (Hex): text
box, select the new NET ID for the CNX-BIPAD8.

7. Click Set ID to initiate the change. This will display the "ID command
has been sent" window.

8. In the "Command Complete" window, click OK.

9. In the Current Network Devices text window, verify the new NET ID
code.

10. In the "Set Network ID" window, click Close.

NOTE: The new NET ID code may also be verified by selecting Diagnostic |
Report Network Devices in the Viewport.

11. Repeat this procedure for each CNX-BIPAD8 to be added to the
network.

Rack Mounting

WARNING: To prevent bodily injury when mounting or servicing this unit in a
rack, take special precautions to ensure that the system remains stable. The following
guidelines are provided to ensure user safety.

• When mounting this unit in a partially filled rack, load the rack from
the bottom to the top with the heaviest component at the bottom.

• If the rack is provided with stabilizing devices, install the stabilizers
before mounting or servicing the units in the rack.

NOTE: If rack mounting is not required, rubber feet are provided for tabletop
placement or stacking. Apply the feet near the corner edges on the underside of the
unit. Refer to “Stacking” 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-BIPAD8 so that the unit can be rack
mounted. These ears must be installed prior to mounting. Complete the procedure

Operations Guide – DOC. 8160A Professional Audio Distribution Processor: CNX-BIPAD8 • 9

Professional Audio Distribution Processor Crestron CNX-BIPAD8

below to attach ears to the CNX-BIPAD8. The only tool required for this procedure
is a #2 Phillips screwdriver.

1. There are 16 screws that secure the CNX-BIPAD8 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-BIPAD8 with the three screws from step 1,
as shown below.

Ear Attachment for Rack Mounting (Side View of Unit)

FASTEN WITH THREE
TOP COVER SCREWS

4. Tighten screws to finger-tight, then, using a #2 Phillips screwdriver,
tighten an additional 1/8-turn.

5. Repeat procedure (steps 1 and 2) to attach ear to the other side.

6. If the rear panel of the CNX-BIPAD8 is accessible when mounted in
the rack, install the CNX-BIPAD8. If the rear panel is NOT accessible,
perform the hookup procedure before rack installation.

Stacking

Four "feet" are provided with the CNX-BIPAD8 so that if the unit is not rack
mounted, the rubber feet can provide stability when the unit is 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

Hardware Hookup

Refer to the hookup diagram after this paragraph. Other than making the power
connection last, complete the connections in any order.

NOTE: Refer to “Network Wiring” on page 7 when making connections to the port
labeled NET.

10 • Professional Audio Distribution Processor: CNX-BIPAD8 Operations Guide - DOC. 8160A

Crestron CNX-BIPAD8 Professional Audio Distribution Processor

Hookup Connections for the CNX-BIPAD8

9 10 1311 12 14 15

LEFT

RIGHT

1 2 3 4 5 6 7

LEFT

RIGHT

CRESTRON E LECTRONICS INC. ROCKLEIGH N.J. 07 674 USA

FROM
AUDIO

SOURCE

AUDIO SOURCE

LOOP-THROUGH

(DAISY-CHAIN TO

ADDITIONAL

BIPAD8 UNITS)

Typical Room Configurations

The following figures show typical room/head end audio configurations using the
CNX-BIPAD8.

Head End Amplification with Speaker-Level Distribution

TO AUDIO

SOURCE(S)

GND(S)

16

8

1 2 3 4 6 7 8

LEFT

RIGHT

AUDIO TO

ROOM / ZONE

AMPLIFIER

CONTROL

SYSTEM

NET

SETUP

24 Y Z G

ROOMS

5

CAT5 REMOTE

INPUTS /

OUTPUTS

Head End Amplification with Speaker-Level Distribution and CAT5 Audio Return

Bi-Directional CAT5 Audio Distribution with In-Room Amplification

Operations Guide – DOC. 8160A Professional Audio Distribution Processor: CNX-BIPAD8 • 11

Professional Audio Distribution Processor Crestron CNX-BIPAD8

Bi-Directional CAT5 Audio Distribution with Integrated Display Device Sound System

Bi-Directional CAT5 Audio/Video Distribution with In-Room Third-Party Surround Sound System

Bi-Directional CAT5 Audio and Digital Audio Distribution with In-Room Crestron Controller,
Digital Audio Surround Sound Processor, and Surround Sound Amplifier

Signal Distribution to More than Eight Rooms

Each CNX-BIPAD8 is capable of distributing audio to eight rooms, maximum. It is
possible to expand distribution to more rooms if additional CNX-BIPAD8s are
introduced to the system. Crestron recommends a maximum of four CNX-BIPAD8s
per system. Therefore, audio can be distributed to a maximum of 32 rooms.

NOTE: Connecting more than four CNX-BIPAD8s via loop-through may result in
diminished audio quality and signal degradation.

The sixteen sets of four RCA jacks connect independent audio sources to the
CNX-BIPAD8. Of each set, two of the connectors are used for left and right audio
channels; the other two are parallel stereo loop-throughs. The loop-through jacks can

12 • Professional Audio Distribution Processor: CNX-BIPAD8 Operations Guide - DOC. 8160A

Crestron CNX-BIPAD8 Professional Audio Distribution Processor

be used for daisy-chaining additional CNX-BIPAD8s, as shown in the following
figure.

Expanded Audio Distribution

Expanded Distribution of Local Audio Sources

Using the unbalanced (RCA) loop-through I/O connections between the
CNX-BIPAD8s, you can ensure that the head end source inputs on the first
CNX-BIPAD8 can be distributed to the rooms connected to the balanced audio
CAT5 I/Os on other CNX-BIPAD8s.

However, if you wish to distribute local room source audio from rooms connected to
the first CNX-BIPAD8 to rooms connected to a second CNX-BIPAD8, you need to
use the CNX-PBAR4 as shown in the diagram on the next page. The CNX-PBAR4
allows you to maintain the balanced CAT5 I/O connection to/from rooms 1-4 on the
first CNX-BIPAD8, then, via it’s internal balanced to unbalanced audio converter, to
loop through the return audio coming back from the rooms to the RCA unbalanced
inputs on the second CNX-BIPAD8. As shown in the diagram, the CNX-PBAR4
will enable Rooms 9-12 to listen to audio being routed from rooms 1-4.

Operations Guide – DOC. 8160A Professional Audio Distribution Processor: CNX-BIPAD8 • 13

Professional Audio Distribution Processor Crestron CNX-BIPAD8

Expanded Distribution of Local Audio Sources

ROOM CONTROLLERS

HEAD END

Local Video

Source

Local Video

Source

Local Video

Source

Local Video

Source

Unbalanced

Audio

Unbalanced

Audio

Unbalanced

Audio

Unbalanced

Audio

Room 9

Unbalanced

In

CNXRMCLV

Room 10

Unbalanced

In

CNXRMCLV

Room 11

Unbalanced

In

CNXRMCLV

Room 12

Unbalanced

In

CNXRMCLV

Audio

Audio

Audio

Audio

Local

Sound

System

Local

Sound

System

Local

Sound

System

Local

Sound

System

Local Video

Local Video

Local Video

Local Video

I/O

I/O

I/O

I/O

Source

Source

Source

Source

Unbalanced

Audio

Unbalanced

Audio

Unbalanced

Audio

Unbalanced

Audio

Room 1

Unbalanced

Audio

In

CNXRMCLV

Room 2

Unbalanced

Audio

In

CNXRMCLV

Room 3

Unbalanced

Audio

In

C2NDAP8RC

Room 4

Unbalanced

Audio

In

CNXRMCLV

Local

Sound

System

Local
Sound
System

Local
Sound

System

Local
Sound

System

CNX-BIPAD8

Bi-Directional

Balanced Audio

CAT5

Un-Balanced

Audio

(4 Stereo RCA)

Bi-Directional

Balanced

Audio/CAT5

I/O

CAT5

CAT5

CAT5

CAT5

Loop

Through

Balanced Audio

CNX-PBAR4

I/O

I/O

I/O

CAT5

DVD

(12 Stereo RCA)

Head End

Sources

Bi-Directional

CAT5

(x8)

Un-Balanced

Audio

16 Stereo/Audio

Inputs Total

Un-Balanced

Audio

(12 Stereo RCA)

CNX-BIPAD8

I/O

In

Through

In

Out

Loop

Out

I/O

In

Loop

Through

In

Un-Balanced

Audio

(12 Stereo RCA)

Out

Out

To Next

CNX-BIPAD8

(8 Total)

Sound

System

Unbalanced

Audio

CNXRMCLV

Local

I/O

Local Video

Source

Unbalanced

Audio

Room 8

In

14 • Professional Audio Distribution Processor: CNX-BIPAD8 Operations Guide - DOC. 8160A

Crestron CNX-BIPAD8 Professional Audio Distribution Processor

Programming Software

Have a comment about
Crestron software?

Earliest Version Software Requirements for the PC

Direct software related suggestions
and/or complaints to Crestron via
email ([e-mail]).
Do not forward any queries to this
address. Instead refer to “Further
Inquiries” on page 25 for assistance.

NOTE: Crestron recommends that you use the latest software to take advantage of
the most recently released features. The latest software is available from the
Downloads | Software Updates section of the Crestron website (www.crestron.com).

The following are the earliest useable software version requirements for the PC:

• SIMPL Windows version 1.61.12 or later with library update file 132 or
later (requires SIMPL+ Cross Compiler version 1.1).

• Crestron Database version 15.6.8 or later. Required by SIMPL Windows.

Programming with SIMPL Windows

NOTE: The following assumes that the reader has knowledge of SIMPL Windows.
If not, refer to the extensive help information provided with the software.

NOTE: The following are acceptable file extensions for programs that include a
CNX-BIPAD8, developed for specific control system types:
.smw projectname.smw (source file)
.spz projectname.spz (compiled file for 2-series)
.bin projectname.bin (compiled file for CNX generation)
.csz projectname.csz (compiled file for CNX generation with SIMPL+)
.ush projectname.ush (compiled file for CNX generation with SIMPL+
header file)
.usp projectname.usp (source code module for SIMPL+)

NOTE: In the following description, the PRO2 control system is used.

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. SIMPL Windows offers drag and drop
functionality in a familiar Windows

This section describes a sample SIMPL Windows program that includes a
CNX-BIPAD8.

Configuration Manager is where programmers “build” a Crestron control system by
selecting hardware from the Device Library. In Configuration Manager, drag the
PRO2 from the Control Systems folder of the Device Library and drop it in the upper
pane of the System Views. The PRO2 with its associated communication ports is
displayed in the System Views upper pane.

PRO2 System View

The System Views lower pane displays the PRO2 system tree (refer to the following
graphic). This tree can be expanded to display and configure the communications
ports.

®

environment.

Operations Guide – DOC. 8160A Professional Audio Distribution Processor: CNX-BIPAD8 • 15

Professional Audio Distribution Processor Crestron CNX-BIPAD8

Expanded PRO2 System Tree

C2Net-Device Slot in Configuration Manager

To incorporate a CNX-BIPAD8 into the system, drag the CNX-BIPAD8 from the
Cresnet Control Modules | Cresnet Audio Modules folder of the Device Library and
drop it in System Views. The PRO2 system tree displays the CNX-BIPAD8 in Slot 9,
with a default NET ID of 44 as shown in the following illustration.

NOTE: The first CNX-BIPAD8 in a system is preset with a NET ID of 44 when its
symbol is dragged into the upper pane of System Views. Additional units are assigned
different NET ID numbers as they are added.

C2Net Device, Slot 9

Setting the Net ID in Device Settings

Double-click the CNX-BIPAD8 icon to open the “Device Settings” window. This
window displays the CNX-BIPAD8 device information. If necessary, select the NET
ID tab to change the touchpanel NET ID, as shown in the following figure.

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Crestron CNX-BIPAD8 Professional Audio Distribution Processor

CNX-BIPAD8 “Device Settings” Window

NOTE: SIMPL Windows automatically changes NET ID values of a device added
to a program if a duplicate device or a device with the same default NET ID already
exists in the program. Always ensure that the hardware and software settings of the
NET ID match. For NET ID hardware setting details, refer to “Identity Code” on
page 8.

CNX-BIPAD8 Symbol in Programming Manager

Programming Manager is where programmers “program” a Creston control system
by assigning signals to symbols. The following graphic shows the CNX-BIPAD8
symbol in the SIMPL Windows’ Programming Manager.

Detail View of the CNX-BIPAD8 in SIMPL Windows’ Programming Manager

The CNX-BIPAD8 symbol is defined by the inputs assigned to its ports. The
diagram above shows the symbol associated with the ports of the CNX-BIPAD8 in
SIMPL Windows. Because the inputs to the symbol are numerous, the following
table lists the functional descriptions.

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Professional Audio Distribution Processor Crestron CNX-BIPAD8

CNX-BIPAD8 Symbol Input Signal Functional Descriptions

INPUT NAME/RANGE

mute1 to mute8 D The mute inputs electronically cut sound to a room for

room-1-on to room-8-on D When any of these inputs goes high, the signals close

loudness1 to loudness8 D This input activates the loudness function to boost

mono-mode-1 to mono-mode-8 D A mono-mode input will change the room’s audio

src for rm1 to src for rm8 A Selects the audio source for the room.1

volume1 to volume8 A Controls the audio level for each room.

balance1 to balance8 A This input specifies a level for the setting.2

bass1 to bass8 A This input specifies a level for the setting.2

treble1 to treble8 A This input specifies a level for the setting.2

max vol1 to max vol8 A This input represents a scaling factor.3

min vol1 to min vol8 A This input represents a scaling factor.3

comp-src1 to comp-src24 A This input represents a source gain compensation.4

* Analog or Digital

1. The <src for rm> analogs select the audio source for the specified room. For example, to distribute
audio from input 3 to room 2, <src for rm2> must be set to 3 (typically via an Analog Initialize
symbol). If <src for rm> equals 0, then no audio will be sent and the room is electronically mute.
Valid ranges for the <src for rm>analogs are:

2. These inputs specify levels for the settings 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 flat 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 measured relative to 50%. These signals represent source gain
compensations that allow for normalization of audio levels for different sources. For example, the
volume range of a VCR can be made equal to that of a CD player.

TYPE

A/D*

Input Valid <src for rm> values

RCA 0 - 16
CAT5 0, 17 -24

DESCRIPTION

as long as ‘mute’ remains high.

relays enabling audio to the corresponding rooms.
When an input goes low, the corresponding relay
opens and cuts audio to the room (mechanical mute).

low- and high-frequency signals at low volume settings
to compensate for natural hearing limitations at lower
volume levels.

setting from stereo to mono. Both left and right outputs
carry the same signal.

in decimal format

Example Program

An example program for the CNX-BIPAD8 is available from the Crestron FTP site
Crestron FTP site (ftp://ftp.crestron.com/Examples). Search for CNX-BIPAD8.ZIP.
It contains the example program, associated files and a README.TXT file that
describes the program.

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Crestron CNX-BIPAD8 Professional Audio Distribution Processor

Uploading and Upgrading

Assuming a PC is properly connected to the entire system, Crestron programming
software allows the programmer to upload programs and projects after their
development to the system and touchpanel and/or keypads. However, there are times
when the files for the program and projects are compiled and not uploaded. Instead,
compiled files may be distributed from programmers to installers, from Crestron to
dealers, etc. Even firmware upgrades are available from the Crestron website as new
features are developed after product releases. In those instances, one has the option
to upload via the programming software or to upload and upgrade via the Crestron
Viewport.

NOTE: The Crestron Viewport is available as a pull-down command from SIMPL
Windows and VT Pro-e (Tools | Viewport) or as a standalone utility. The Viewport
utility accomplishes multiple system tasks, primarily via an RS-232 or TCP/IP
connection between the control system and a PC. It is used to observe system
processes, upload new operating systems and firmware, change system and network
parameters, and communicate with network device consoles and touchpanels, among
many other tasks. Viewport can also function as a terminal emulator for generic file
transfer. All of these functions are accessed through the commands and options in
the Viewport menus. Therefore, for its effectiveness as a support and diagnostic tool,
the Crestron Viewport may be preferred over development tools when uploading
programs and projects.

The following sections define how one would upload a SIMPL Windows program or
upgrade the firmware of the CNX-BIPAD8. However, before attempting to upload or
upgrade, it is necessary to establish communications.

Communication Settings

NOTE: For laptops and other PCs without a built-in RS-232 port, Crestron
recommends the use of PCMCIA cards, rather than USB-to-serial adapters. If a
USB-to-serial adapter must be used, Crestron has tested the following devices with
good results:

Belkin (large model) F5U103
I/O Gear GUC232A
Keyspan USA-19QW

Other models, even from the same manufacturer, may not yield the same results.

The procedure in this section provides details for RS-232 communication between
the PC and the control system. If TCP/IP communication is preferred, consult the
latest version of the Crestron e-Control Reference Guide (Doc. 6052) or the
respective Operations Guide for the control system. These documents are available
from the Downloads | Product Manuals section of the Crestron website
(www.crestron.com). Refer to the following figure for a typical connection diagram
when uploading files

NOTE: Use a standard DB9 male to female “straight-through” cable.

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Professional Audio Distribution Processor Crestron CNX-BIPAD8

Typical Connection Diagram when Uploading

1. Start SIMPL Windows.

2. From the menu bar, select Tools | Viewport to open the Crestron
Viewport.

3. Refer to the figure after this step. From the Viewport menu, select
Setup | Communications settings (alternatively, press Alt+D) to open
the “Port Settings” window.

Setup | Communications Settings Command

4. Select RS-232 as the connection type. Verify that an available COM
port (COM 1 is shown after this step) is selected, and that all
communication parameters and necessary options from the “Port
Settings” window are selected as shown after this step. Click the OK
button to save the settings and close the window.

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Crestron CNX-BIPAD8 Professional Audio Distribution Processor

“Port Settings” Window

A control system source file has
the extension .smw. A compiled
SIMPL Windows file has the
extension .spz for a 2-Series
control system, .bin for CNX
generation, and .csz for CNX
generation with SIMPL+.

NOTE: The parameters shown in the illustration above are the port settings for a
2-Series control system. Consult the Operations Guide for the control system being
used for exact parameter selection.

5. To verify communication, select Diagnostics | Establish

Communications (Find Rack). This should display a window that
gives the COM port and baud rate. If communication cannot be
established, refer to the “Troubleshooting Communications” section in
the respective Operations Guide for the control system.

Uploading a SIMPL Windows Program

The SIMPL Windows file can be uploaded to the control system using SIMPL
Windows or via the Crestron Viewport.

Upload via SIMPL Windows

1. Start SIMPL Windows.

2. Select File | Open to view the “Open” window, navigate to the SIMPL

Window file (.smw), and click Open.

3. Select Project | Transfer Program.

Upload via Crestron Viewport

1. Verify that the procedure for “Communication Settings” that begins on

page 19 has been performed.

2. As shown after this step, select File Transfer | Send Program

(alternatively, press Alt+P) from the Viewport menu.

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Professional Audio Distribution Processor Crestron CNX-BIPAD8

File Transfer | Send Program Command

3. The “Send Program” window appears, as shown after this step. Click
Browse, locate the compiled file (.spz for PRO2) and click Open. This
will display the program's header information and enable one or both of
the What to Send check boxes. If the program does not contain any
SIMPL+ modules, only the SIMPL Program check box will be enabled.
If it does contain SIMPL+ modules, then the SIMPL+ Program(s)
check box will also be enabled. Select one or both check boxes and
then click Send Program to begin the transfer.

NOTE: Refer to the respective Operations Guide for the control system for details
about the other fields shown on the “Send Program” window.

“Send Program” Window

4. To verify that the program has been transferred successfully, select
Diagnostics | Report Program Information. This should display a
window that provides details about the current program loaded into the
control system.

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Crestron CNX-BIPAD8 Professional Audio Distribution Processor

Firmware Upgrade

A firmware upgrade file has the
extension .upg.

To take advantage of all the CNX-BIPAD8 features, it is important that the unit
contains the latest firmware available. Therefore, please check the Crestron website
(http://www.crestron.com/downloads/software_updates.asp) for the latest version of
firmware. Not every product has a firmware upgrade, but as Crestron improves
functions, adds new features, and extends the capabilities of its products, firmware
upgrades are posted. To upgrade the firmware, complete the following steps.

1. Make sure that “Communication Settings” that begins on page 19 has

been performed.

2. As shown after this step, select File Transfer | Load Network Device

from the Viewport menu.

File Transfer | Load Network Device Command

3. As shown after this step, select the NET ID of the CNX-BIPAD8 and

then click OK. The “Open” window appears (refer to the subsequent
graphic).

“Select Network ID” Window

NOTE: When transferring any Cresnet file (touchpanel project/firmware), lower the
port speed baud rate to 38400 to match the Cresnet bus speed.

Operations Guide – DOC. 8160A Professional Audio Distribution Processor: CNX-BIPAD8 • 23

Professional Audio Distribution Processor Crestron CNX-BIPAD8

“Open” Window

Problem Solving

4. Browse to the desired upg file and click Open to begin the transfer.

Troubleshooting

The table below provides corrective action for possible trouble situations. If further
assistance is required, please contact a Crestron customer service representative.

CNX-BIPAD8 Troubleshooting

TROUBLE

CNX-BIPAD8 does
not function.
Power LED does
not Illuminate

NET LED does not
illuminate

ROOM 1-8 LEDs
do not illuminate.

Audio not balanced
or poor sound
quality.

Hum on audio. Grounding problem. Either connect or remove chassis ground wire.

POSSIBLE

CAUSE(S)

Incorrect power
supply.
CNX-BIPAD8 is not
receiving power.

Loose network
connection.

Improper NET ID. Verify that CNX-BIPAD8 NET ID matches NET

Improper
programming.

Room not set up. Room must be set up from a touch panel to

Use a Crestron power supply.

Verify that cable plugged into NET port is
secure. Ensure sufficient NET power to support
all NET devices.
Verify that cable plugged into NET port is
secure.

ID software program. Refer to "Identity Code" on
page 9 of this operations guide.

Confirm signal names and programmming logic
so that LEDs respond when functions are
activated.

adjust bass, treble, balance, etc.

CORRECTIVE ACTION

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Crestron CNX-BIPAD8 Professional Audio Distribution Processor

Further Inquiries

If, after reviewing this Operations Guide for the CNX-BIPAD8, you cannot locate
specific information or have questions, please take advantage of Crestron's award
winning customer service team in your area. Dial one of the following numbers.

• In the US and Canada, call Crestron's corporate headquarters at

1-888-CRESTRON [1-888-273-7876].

• In Europe, call Crestron International at [phone].

• In Asia, call Crestron Asia at [phone].

• In Latin America, call Crestron Latin America at [phone].

• In Australia and New Zealand, call Crestron Control Solutions at

[phone].

Future Updates

As Crestron improves functions, adds new features, and extends the capabilities of
the CNX-BIPAD8, additional information and programming examples 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 Downloads | Product
Manuals section and are identified as an “Addendum” in the Download column.

Operations Guide – DOC. 8160A Professional Audio Distribution Processor: CNX-BIPAD8 • 25

Professional Audio Distribution Processor Crestron CNX-BIPAD8

Return and Warranty Policies

Merchandise Returns / Repair Service

1. No merchandise may be returned for credit, exchange, or service without prior
authorization from CRESTRON. To obtain warranty service for CRESTRON
products, contact the factory and request an RMA (Return Merchandise
Authorization) number. Enclose a note specifying the nature of the problem, name
and phone number of contact person, RMA number, and return address.

2. Products may be returned for credit, exchange, or service with a CRESTRON Return
Merchandise Authorization (RMA) number. Authorized returns must be shipped
freight prepaid to CRESTRON, 6 Volvo Drive, Rockleigh, N.J., or its authorized
subsidiaries, with RMA number clearly marked on the outside of all cartons.
Shipments arriving freight collect or without an RMA number shall be subject to
refusal. CRESTRON reserves the right in its sole and absolute discretion to charge a
15% restocking fee, plus shipping costs, on any products returned with an RMA.

3. Return freight charges following repair of items under warranty shall be paid by
CRESTRON, shipping by standard ground carrier. In the event repairs are found to
be non-warranty, return freight costs shall be paid by the purchaser.

CRESTRON Limited Warranty

CRESTRON ELECTRONICS, Inc. warrants its products to be free from manufacturing defects in
materials and workmanship under normal use for a period of three (3) years from the date of
purchase from CRESTRON, with the following exceptions: disk drives and any other moving or
rotating mechanical parts, pan/tilt heads and power supplies are covered for a period of one (1)
year; touchscreen display and overlay components are covered for 90 days; batteries and
incandescent 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 been subjected to misuse,
accidental damage, modification, or improper installation procedures. Furthermore, this warranty
does not cover any product that has had the serial number altered, defaced, or removed.

This warranty shall be the sole and exclusive remedy to the original purchaser. In no event shall
CRESTRON be liable for incidental or consequential damages of any kind (property or economic
damages inclusive) arising from the sale or use of this equipment. CRESTRON is not liable for
any claim made by a third party or made by the purchaser for a third party.

CRESTRON shall, at its option, repair or replace any product found defective, without charge for
parts or labor. Repaired or replaced equipment and parts supplied under this warranty shall be
covered only by the unexpired portion of the warranty.

Except as expressly set forth in this warranty, CRESTRON makes no other warranties, expressed
or implied, nor authorizes any other party to offer any warranty, including any implied warranties
of merchantability or fitness for a particular purpose. Any implied warranties that may be imposed
by law are limited to the terms of this limited warranty. This warranty statement supercedes all
previous warranties.

Trademark Information

All brand names, product names, and trademarks are the sole property of their respective owners. Windows is a registered
trademark of Microsoft Corporation. Windows95/98/Me/XP and WindowsNT/2000 are trademarks of Microsoft
Corporation.

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Operations Guide – DOC. 8160A Professional Audio Distribution Processor: CNX-BIPAD8 • 27

Crestron Electronics, Inc. Operations Guide – DOC. 8160A

15 Volvo Drive Rockleigh, NJ 07647 2.03
Tel: 888.CRESTRON
Fax: [phone] Specifications subject to
www.crestron.com change without notice.