Extron electronics TPX 88 User Manual
Extron electronics TPX 88 User Manual

Extron electronics TPX 88 User Manual

Twisted pair matrix switcher
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TPX 88 and TPX 88 A
Twisted Pair Matrix Switcher
Twisted Pair Matrix Switcher with Local Audio Outputs
68-733-01 Rev. C
12 05

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Summary of Contents for Extron electronics TPX 88

  • Page 1 TPX 88 and TPX 88 A Twisted Pair Matrix Switcher Twisted Pair Matrix Switcher with Local Audio Outputs 68-733-01 Rev. C 12 05...
  • Page 2 Precautions Safety Instructions • English Warning Power sources • This equipment should be operated only from the power source indicated on the product. This This symbol is intended to alert the user of important operating and maintenance equipment is intended to be used with a main power system with a grounded (neutral) conductor. The (servicing) instructions in the literature provided with the equipment.
  • Page 3: Front Panel Controls

    Audio- 3 up for RS-422. RS-422 H. sync- * The TPX 88 A switches pair 3 and 6. The TPX 88 does not switch pair 3 and 6. Twisted Step 6 Audio or serial data from an RGB video MTP Pairs is incompatible with both TPX models.
  • Page 4 (TPX 88 A only) Video and audio LEDs indicate that video and/or audio is selected for configuration. (TPX 88 A only) Mute All button mutes and unmutes all audio outputs. (TPX 88 A only) Volume knob adjusts the input level or output volume in audio level adjust mode. Create a tie 2.
  • Page 5: Table Of Contents

    Example 1: Creating a set of video and audio ties Example 2: Adding a tie to a set of video and audio ties ..........3-9 Example 3a: Removing an audio tie from a set of ties (TPX 88 A only) ...... 3-10 ........3-12 Example 3b: Removing a tie from a set of ties (TPX 88 only) Viewing a configuration ....................
  • Page 6 Table of Contents, cont’d Viewing and adjusting the input audio level (TPX 88 A only) ........3-20 ..........3-20 Example 7: Viewing and adjusting an input audio level Viewing and adjusting the output volume (TPX 88 A only) .......... 3-22 ........
  • Page 7 Installing labels in the matrix switcher’s buttons ............A-6 Button label blanks ......................A-7 68-733-01 Rev. C 12 05 All trademarks mentioned in this manual are the properties of their respective owners. TPX 88 Matrix Switchers • Table of Contents...
  • Page 8 Table of Contents, cont’d TPX 88 Matrix Switchers • Table of Contents...
  • Page 9: Chapter 1 • Introduction

    TPX 88 Twisted Pair Matrix Switchers Chapter One Introduction About the TPX 88 Manual About the TP A/V System About Both TPX Switcher Models About the TPX 88 A Switchers Features...
  • Page 10: About The Tpx 88 Manual

    About the TPX 88 Manual This manual provides installation, operation, and maintenance information for the Extron TPX 88 and TPX 88 A matrix switchers. The TPX switchers are 8-input by 8-output matrix switchers for routing the signals that Extron twisted pair (TP) transmitters and receivers use to distribute video and audio signals in an A/V system.
  • Page 11 ✡ ✡ ✡ ✝ ✝ ✝ ✝ ✝ ✝ ✝ ✝ ✦ ✦ ✦ ✦ ✦ s t i ✝ . y l ✦ i t i t t i ✡ s ' r TPX 88 Matrix Switchers • Introduction...
  • Page 12 Introduction, cont’d Extron twisted pair products’ attributes (continued) ✝ ✝ ✝ ✝ s t i ✝ . y l TPX 88 Matrix Switchers • Introduction...
  • Page 13: Transmission Distances

    CAT 5 cable can be satisfactorily used for some products (refer to each product’s user manual). The system can be used with cable other than that recommended, but video performance will be compromised and maximum cable lengths and video resolutions must be decreased. TPX 88 Matrix Switchers • Introduction...
  • Page 14: About Both Tpx Switcher Models

    LCD Projector #1 Figure 1-1 — Typical TPX 88 A matrix switcher application The TPX 88 switchers support I/O grouping, a feature that lets you virtually divide the matrix into up to four smaller sub-switchers, making installation and control easier. I/O grouping allows you to separate different signal types to avoid connecting signal types from different, incompatible, transmitter/receiver families.
  • Page 15: About The Tpx 88 A Switchers

    On the TPX 88 A, the switching of the audio portion of the TP link can either be linked with the video portion (audio follow) or independent of the video portion (audio breakaway).
  • Page 16: Features

    (RGBHV, RGBS, RGsB, RsGsBs, HDTV, component video, S-video, or composite video) and audio. Audio outputs (TPX 88 A only) — If the input TP link originated from a member of the TP family of transmitters (see the table on page 1-3 and page 1-4), the TPX 88 A outputs 8 stereo audio outputs, balanced or unbalanced, on 3.5 mm,...
  • Page 17 Audio output volume (TPX 88 A only) — The audio level of each local output can be adjusted through a range of 100% (no attenuation) to 0% (full attenuation). The audio level can be adjusted under front panel or RS-232/RS-422 control.
  • Page 18 Power supply — Includes an internal 100 VAC to 240 VAC, 50/60 Hz, 25 watts auto-switchable power supply, which provides worldwide power compatibility. 1-10 TPX 88 Matrix Switchers • Introduction...
  • Page 19: Chapter 2 • Installation

    TPX 88 Twisted Pair Matrix Switchers Chapter Two Installation Mounting the Switcher Cabling and Rear Panel Views...
  • Page 20: Mounting The Switcher

    Figure 2-1 — Rack mounting a TPX switcher Insert the switcher into the rack, align the holes in the mounting bracket with those of the rack. Secure the switcher to the rack using the supplied machine screws. TPX 88 Matrix Switchers • Installation...
  • Page 21: Cabling And Rear Panel Views

    1-3 and page 1-4 for audio compatibility. Figure 2-2 shows the rear panel of a TPX 88 A twisted pair matrix switcher. The rear panel of the TPX 88 has most of the same features as the TPX 88 A, but without the local audio connectors.
  • Page 22: Termination Of Tp Cable

    H. Sync – right – * The TPX 88 A switches wire pair 3 and 6. The TPX 88 does not switch wire pair 3 and 6. Audio or serial data from an RGB video MTP is incompatible with both TPX models. They cannot be switched.
  • Page 23: Cable Testing

    On RGB video MTPs, the audio or serial data that is carried on wire pairs 3 and 6 is incompatible with the TPX 88 A. The TPX 88 A cannot switch the audio or serial data, output the audio locally, or break the audio away.
  • Page 24: Equalizing Pair Skew With Skew Equalizers

    Extron skew compensation coax cables are available in lengths of 2 through 20 feet, see Appendix A for part numbers. TPX 88 Matrix Switchers • Installation...
  • Page 25: Audio Outputs Connectors (Tpx 88 A Only)

    LCD Projector UTP skew for red video. Figure 2-4 — Pair skew equalization Audio outputs connectors (TPX 88 A only) The Audio Outputs connectors are 3.5 mm, 5-pole captive screw connectors that output unamplified, line level audio. The local audio outputs follow the RJ-45 outputs;...
  • Page 26: Remote Port Configuration

    The Remote port is a 3.5 mm, 5-pole captive screw connector for serial RS-232/RS-422 control of the TPX 88. Wire the connector as shown in figure 2-7 and connect a host device, such as a computer, touch panel control, or RS-232 capable PDA.
  • Page 27: Chapter 3 • Operation

    TPX 88 Twisted Pair Matrix Switchers Chapter Three Operation Front Panel Controls and Indicators Operations Troubleshooting Worksheets...
  • Page 28: Front Panel Controls And Indicators

    The control buttons are grouped in the middle of the panel. On the TPX 88 A only, the input/ output (I/O) selection button and audio controls are grouped on the right side of the panel.
  • Page 29: Control Buttons

    Enter button — The Enter button saves changes when you set up a new configuration. To create a simple configuration: • (TPX 88 A only) specify video, audio, or both [see the I/O button ( and the Video and Audio LEDs ( •...
  • Page 30: I/O Controls (Tpx 88 A Only)

    The current input audio level setting for the selected input is displayed by the output buttons. A more detailed explanation of audio gain adjustment is included in Viewing and adjusting the input audio level (TPX 88 A only) beginning on page 3-20.
  • Page 31: Button Icons

    I/O button indicators on and off from left to right lit green, right to left lit red, and left to right lit amber. An error-free power up self-test sequence leaves the Video and/or the Audio LEDs on (TPX 88 A only), all other LEDs unlit, and all I/O buttons either unlit or showing background illumination.
  • Page 32: I/O Grouping

    • Segregating input and output devices that are in separate rooms. • Isolating video from being displayed on specific output devices for operational security reasons. TPX 88 Matrix Switchers • Operation...
  • Page 33: Creating A Configuration

    Press the Esc button to clear any input buttons, output buttons, or control buttons that may be lit. (TPX 88 A only) Select to configure video, audio, or both by pressing the I/O button. The Video and/or Audio LEDs light to indicate that video and/or audio are selected.
  • Page 34: Example 1: Creating A Set Of Video And Audio Ties

    This example assumes that there are no ties in the current configuration. Press and release the Esc button. TPX 88 A only — To select video and audio for the tie, if necessary, press and release the I/O button until the LEDs light (figure 3-5).
  • Page 35: Example 2: Adding A Tie To A Set Of Video And Audio Ties

    This example assumes that you have performed example 1. Press and release the Esc button. TPX 88 A only — To select video only for the tie, if necessary, press and release the I/O button until only the video LED lights (figure 3-9).
  • Page 36: Example 3A: Removing An Audio Tie From A Set Of Ties (Tpx 88 A Only)

    Press and release the Enter button (figure 3-12). The current configuration is now video input 5 tied to video output 1, output 3, output 4, and output 8; and (TPX 88 A only) audio input 5 tied to audio output 3, output 4, and output 8.
  • Page 37 Press the Enter button to confirm the configuration change. All input and output buttons return to unlit or background illumination. ENTER The Enter LED goes out. Figure 3-16 — Press the Enter button TPX 88 Matrix Switchers • Operation 3-11...
  • Page 38: Example 3B: Removing A Tie From A Set Of Ties (Tpx 88 Only)

    Operation, cont’d Example 3b: Removing a tie from a set of ties (TPX 88 only) This example can be performed on a TPX 88 only. The following steps show an example in which an existing tie is removed from the current configuration.
  • Page 39: Viewing A Configuration

    Press and release the View button. (TPX 88 A only) Select video, audio, or both to view by pressing the I/O button. The Video and/or Audio LEDs light to indicate that video and/or audio are selected.
  • Page 40 The output buttons for outputs that are tied to input 5 light the appropriate color: Amber for audio and video ties (audio follow) Green for video ties (audio breakaway) Red for audio ties (audio breakaway) Figure 3-22 — Select an input 3-14 TPX 88 Matrix Switchers • Operation...
  • Page 41 Press the View button to exit view mode. All input and output buttons return to unlit or background illumination. VIEW The View LED goes out. Figure 3-25 — Press the View button to exit view mode TPX 88 Matrix Switchers • Operation 3-15...
  • Page 42: Example 4B: Viewing Ties (Tpx 88 Only)

    Operation, cont’d Example 4b: Viewing ties (TPX 88 only) The following steps show an example of viewing the ties in the current configuration. Where an explanation is helpful, the steps show the front panel indications that result from your action.
  • Page 43: Using Presets

    Press and release the Esc button. Press and hold the Preset button for approximately 2 seconds (figure 3-29). Press and hold the button. 2 seconds PRESET PRESET = Blinking LED Figure 3-29 — Enter save preset mode TPX 88 Matrix Switchers • Operation 3-17...
  • Page 44: Example 6: Recalling A Preset

    Preset 10 Preset 11 Preset 12 Preset 13 Preset 14 Preset 15 Preset 16 Unlit input buttons indicate no preset is assigned to those location. Recalling an unlit preset clears all ties. Figure 3-32 — Select recall preset mode 3-18 TPX 88 Matrix Switchers • Operation...
  • Page 45 PRESET All input and output buttons return to unlit or background illumination. ENTER The Enter LED returns to unlit. The Preset LED returns to unlit. Figure 3-34 — Press the Enter button TPX 88 Matrix Switchers • Operation 3-19...
  • Page 46: Viewing And Adjusting The Input Audio Level (Tpx 88 A Only)

    Viewing and adjusting the input audio level (TPX 88 A only) On the TPX 88 A, the audio level of each input can be displayed and adjusted through a range of -18 dB to +24 dB to ensure that there is no noticeable volume difference among sources.
  • Page 47 Figure 3-37 — Adjust the input audio level If another input button is pressed and released, the level value for the current input is saved and the level value for the newly selected input is displayed. TPX 88 Matrix Switchers • Operation 3-21...
  • Page 48: Viewing And Adjusting The Output Volume (Tpx 88 A Only)

    Viewing and adjusting the output volume (TPX 88 A only) On the TPX 88 A, the audio level of each local output (the output on the captive screw connectors) can be displayed and adjusted through a range of 100% (no attenuation) to 0% (full attenuation).
  • Page 49: Example 8: Viewing And Adjusting An Output Volume Level

    The button lights to indicate that the output 1 audio is selected. = Unlit = Lit (up to 7 dB of attenuation) (up to 14% of input signal output) Figure 3-40 — Select an output TPX 88 Matrix Switchers • Operation 3-23...
  • Page 50 Press the I/O button to exit audio adjust mode. VIDEO AUDIO All input and output buttons return to unlit or background illumination. The Audio LED goes out. Figure 3-42 — Deselect audio mode 3-24 TPX 88 Matrix Switchers • Operation...
  • Page 51: Muting And Unmuting The Local Audio (Tpx 88 A Only)

    Muting and unmuting the local audio (TPX 88 A only) You can mute all local audio (captive screw connector) outputs from the front panel. Mute or unmute the audio outputs by pressing and releasing the Mute All button (figure 3-43).
  • Page 52: System Reset To Factory Defaults

    AC power is being applied (figure 3-45). System reset clears all ties and presets and resets all I/O grouping. On the TPX 88 A, system reset also sets all input audio levels to unity gain (+0 dB).
  • Page 53: Troubleshooting

    If applicable, use different colors for video and audio. Worksheet example 1: System equipment Figure 3-47 shows a worksheet for a TPX 88 A in a fictional organization. System hardware is annotated. Input 6 has no connection, so it has been crossed out.
  • Page 54: Worksheet Example 2: Daily Configuration

    USP 405 podium (DVS 406) Main Main Podium Conf. Sound Lobby Hall Hall monitor room system (USP 405) monitor PJ#1 PJ#2 Output destinations Worksheet Example Figure 3-48 — Worksheet example 2: Daily configuration 3-28 TPX 88 Matrix Switchers • Operation...
  • Page 55: Worksheet Example 3: Test Configuration

    USP 405 podium (DVS 406) Main Main Podium Conf. Sound Lobby Hall Hall monitor room system (USP 405) monitor PJ#1 PJ#2 Output destinations Worksheet Example Figure 3-49 — Worksheet example 3: Test configuration TPX 88 Matrix Switchers • Operation 3-29...
  • Page 56 Operation, cont’d 3-30 TPX 88 Matrix Switchers • Operation...
  • Page 57 TPX 88 Matrix Switchers • Operation 3-31...
  • Page 58 Operation, cont’d 3-32 TPX 88 Matrix Switchers • Operation...
  • Page 59: Chapter 4 • Programmer's Guide

    TPX 88 Twisted Pair Matrix Switchers Chapter Four Programmer’s Guide Host-to-Switcher Instructions Switcher-Initiated Messages Switcher Error Responses Using the Command/Response Table Command/Response Table for SIS Commands...
  • Page 60: Host-To-Switcher Instructions

    When a local event such as a front panel operation occurs, the switcher responds by sending a message to the host. The switcher-initiated messages are listed below (underlined). (c)Copyright 2003, Extron Electronics, TPX 88, Vx.xx The switcher initiates the copyright message when it is first powered on. Vx.xx is the firmware version number.
  • Page 61: Switcher Error Responses

    E11 — Invalid preset number (too large) E12 — Invalid output number (too large) E13 — Invalid value (out of range) E14 — Illegal command for this configuration E17 — Timeout (only caused by direct write of global presets) TPX 88 Matrix Switchers • Programmer’s Guide...
  • Page 62: Using The Command/Response Table

    1 through 4 groups (0 = no group) = Global preset # 16 maximum (0 = current configuration) = Video/audio mute: 0 = no mutes 2 = audio mute = Controller firmware version number to second decimal place TPX 88 Matrix Switchers • Programmer’s Guide...
  • Page 63: Command/Response Table For Sis Commands

    The & read tie command and the % read tie command can be used interchangeably for video on the TPX switcher. Read audio output tie Audio input tied to output Example: Video input 7 tied to output 7. TPX 88 Matrix Switchers • Programmer’s Guide...
  • Page 64 1= mute on, 0 = mute off. Global audio mute Amt1 Mute all audio outputs. The front panel Mute All LED lights. Global audio unmute Amt0 Unmute all audio outputs. The front panel Mute All LED goes out. TPX 88 Matrix Switchers • Programmer’s Guide...
  • Page 65 Reset global presets and names Clear all global presets. Reset an individual global preset Clear global preset Esc X10 Reset audio input levels Reset all audio input levels (gain and attenuation) to 0 dB. TPX 88 Matrix Switchers • Programmer’s Guide...
  • Page 66 (TPX 88 A). Request part number xx-xxx-xx See appendix A for part #s. Example: 60-542-01 TPX 88 A part # is 60-542-01. Query firmware version Example: 1.23 The installed firmware version is 1.23 (sample value only). TPX 88 Matrix Switchers • Programmer’s Guide...
  • Page 67: Chapter 5 • Matrix Software

    TPX 88 Twisted Pair Matrix Switchers Chapter Five Matrix Software Matrix Switchers Control Program Button-Label Generator...
  • Page 68: Matrix Switchers Control Program

    Matrix Software Matrix Software, cont’d Two software programs accompany the TPX 88 switchers: • The Extron Matrix Switcher+ Control Program (Extron part #29-015-01), which communicates with the switcher via the RS-232/RS-422 port, provides an easy way for you to set up ties and sets of ties.
  • Page 69 To create a tie, drag an input box to one or more output boxes. To remove a tie, drag the output box to its tied input box. TPX 88 Matrix Switchers • Matrix Software...
  • Page 70: Firmware Upgrade

    Click the mouse on the Open button. A status window, which shows the progress of the upload, appears. The file(s) upload to the TPX switcher may take a few minutes. TPX 88 Matrix Switchers • Matrix Software...
  • Page 71: Windows Buttons, Drop Boxes, And Trash

    The level is expressed as a percentage of the input audio volume that is applied to the output; 0% is full attenuation (audio is silent), 100% is full volume. TPX 88 Matrix Switchers • Matrix Software...
  • Page 72: Preferences Menu

    Take button are indicated by +. Ties that will be broken when you click the mouse on the Take button are indicated by –. Figure 5-4 — Ties shown as crosspoints TPX 88 Matrix Switchers • Matrix Software...
  • Page 73: Using Emulation Mode

    MATRIX Switcher+ Control Help icon (shown at right). • From within the Matrix Switcher Control Program, click on the Help menu on the main screen. • From within the Matrix Switcher Control Program, press the F1 key. TPX 88 Matrix Switchers • Matrix Software...
  • Page 74: Button Label Generator

    You can also see an example of a completed Extron’s Button-Label Generator window by clicking on the Help menu on the main screen, choosing Show Help, and clicking on the Load Demo button. TPX 88 Matrix Switchers • Matrix Software...
  • Page 75: Appendix A • Reference Information

    TPX 88 Twisted Pair Matrix Switchers A ppendix A Reference Information Specifications Part Numbers Button Labels...
  • Page 76 Crosstalk ........<-80 dB @ 1 kHz, fully loaded Stereo channel separation ..>-90 dB @ 1 kHz CMRR ..........>75 dB @ 20 Hz to 20 kHz Audio input — TPX 88 A only Number/signal type ....8 stereo, balanced/unbalanced Connectors ........(8) 8-pin female RJ-45 Impedance ........
  • Page 77 Compliances ......... CE, FCC Class B, VCCI, AS/NZS, ICES MTBF ..........30,000 hours Warranty ........3 years parts and labor All nominal levels are at ±10%. Specifications are subject to change without notice. TPX 88 Matrix Switchers • Reference Information...
  • Page 78: Twisted Pair Matrix Switcher Part Numbers

    TPX 88 A 60-542-01 TPX 88 60-542-02 Rack/desk mounting kit 70-077-03 Five-pole 3.5 mm captive screw connectors (9) (TPX 88 A only) 10-319-10 Matrix Switchers+ Control Program and Button-Label Generator TPX 88 Matrix Switchers User’s Manual Optional accessories Model Part #...
  • Page 79 26-526-06 14' skew cable 26-524-07 Green 26-525-07 Blue 26-526-07 16' skew cable 26-524-08 Green 26-525-08 Blue 26-526-08 18' skew cable 26-524-09 Green 26-525-09 Blue 26-526-09 20' skew cable 26-524-10 Green 26-525-10 Blue 26-526-10 TPX 88 Matrix Switchers • Reference Information...
  • Page 80: Button Labels

    Insert a button label into the cap and gently but firmly press the cap onto the white backing plate. Separate two Press the button into place in the matrix switcher. piece button here. TPX 88 Matrix Switchers • Reference Information...
  • Page 81 TPX 88 Matrix Switchers • Reference Information...
  • Page 82 Reference Information, cont’d TPX 88 Matrix Switchers • Reference Information...

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