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Telos Z/IP ONE User Manual

Intelligent zephyr ip codec with agile connection technology
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TELOS Z/IP ONE
Intelligent Zephyr IP Codec with Agile Connection Technology™
USER'S MANUAL
Manual version 1.1 for software version 1.0.15 and later
10 August 2011

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  • Page 1 TELOS Z/IP ONE Intelligent Zephyr IP Codec with Agile Connection Technology™ USER’S MANUAL Manual version 1.1 for software version 1.0.15 and later 10 August 2011...

  • Page 2: We Support You

    Feedback We welcome feedback on any aspect of the Z/IP ONE, or this manual. In the past, many good ideas from users have made their way into software revisions or new products. Please contact us with your comments.
  • Page 3 Telos Systems USA Telos Systems 1241 Superior Avenue E Cleveland, OH 44114 USA +1-216-241-7225 (phone) +1-216-241-4103 (fax) +1-216-622-0247 (24/7 Technical Support) Support@Telos-Systems.com Inquiry@Telos-Systems.com Notices and Cautions This symbol, wherever it appears, alerts you to the presence of uninsulated, dangerous voltage inside the enclosure – voltage which may be sufficient to constitute a risk of shock.

  • Page 5: Table Of Contents

    MAnuAl | Table of Contents We support you....... II A letter from our CEO .

  • Page 7: A Letter From Our Ceo | Vii

    A leTTer froM our Ceo | VII A Letter from our CEO... “What if?” A singularly great question, because it opens the eliminate the age-old problem of feedback in open-speaker door to so many other questions and ideas. Those who ask environments.

  • Page 9: Introduction

    Congratulations on your purchase of the Telos Z/IP ONE! This unit achieves a new level in IP Audio transmission at a very attractive price. It is a one RU unit intended to be used with a microphone directly, or an external mixer for remote broadcasts, or anywhere space is at a premium.

  • Page 11: Quick Start Guide

    2.1 User Interface Basics The Z/IP ONE uses the same OLED display for status and metering that it does for the user interface. After a short period of time the display will revert back to the Status Screen menus. There are six status menus available;...
  • Page 12 (e.g. use “003” if the desired entry is “3”. You can rotate the knob counter-clockwise to re-enter a mistake. Press the knob to save your changes, or ESC to discard them. Step 3: Configure the Z/IP ONE Server Settings At the Setup menu (below), select the ZIP Server option.
  • Page 13 QuiCK STArT GuiDe | The Listen Port is a TCP/IP port for your device to listen on if you are using “port forwarding” on your NAT. This port determines what port the Z/IP will use to accept messages from others. The default value of 0 tells the Z/IP to assign a port itself.

  • Page 15: Installation

    3.1 Rack Mounting the Studio Unit The Z/IP ONE mounts in a 1RU space in a standard 19” rack. The Z/IP ONE does not have an internal fan, and does not have any special requirements for space above and below the unit. As long as you keep the stirred air in the rack between 0 and 40 degrees Celsius (32 to 104 degrees Fahrenheit) with a relative humidity of 0 to 98% (non-condensing) the unit will operate as described.
  • Page 16 | Section 3 3.4 Audio Outputs (analog balanced) Audio XLR Pinout DESCRIPTION Ground Signal + Output Signal - Output The audio outputs are balanced at +4 dBu with 18 dB of headroom (i.e., clips at +22 dBu) 3.5 Network Interfaces – Livewire/LAN & <…>10/100 WAN The network interfaces are Ethernet twisted pair 100BASE-T connectors. Use a CAT5e or CAT6 network cable.
  • Page 17 inSTAllATion | FUNCTION +5 Volts DC 400 mA max Output 0 Output 1 Output 2 Output 3 Output 4 Output 5 Output 6 Output 7 No Connection No Connection No Connection No Connection Input 0 Input 1 Input 2 Input 3 Input 4 Input 5 Input 6...

  • Page 19: The User Interface & Setup

    This is a volume control. It also has a push-to-mute function. Pushing this button will mute the headphone audio. Pushing a second time will un-mute it. Main Control Knob Rotating the Z/IP ONE’s control knob moves the cursor. It also has a push-to-click function; pressing the knob , selects the highlighted menu selection.

  • Page 20: Getting Help

    HELP from the main menu. 4.1 The User Interface and Menu System The Z/IP ONE will time out to the status screen showing meters and status information after a period of inactivity. Pressing the button will enter the menu system. Rotating the control knob...

  • Page 21: Output

    THe uSer inTerfACe & SeTup | The Audio I/O Menu The Audio I/O menu gives access to the various settings related to audio into and out of the device. Audio Input Source can be set to either of the following: ♦...

  • Page 22: Output

    | Section 4 WiFi/WLAN (appropriate USB stick must be installed) ♦ UMTS/EVDO (appropriate USB stick must be installed) ♦ The Setup -> Network Sub-menu has one menu item and the following sub-menus: ♦ The WAN Interface menu sets the following options for the WAN RJ-45 on the back of the unit: ♦...
  • Page 23 Router Mode – (has the following choices: Off and Between LAN and StreamIfc (short for “streaming interface). When Router Mode is off, the Ethernet ports are kept completely separate. When it is enabled, the Z/IP ONE creates a bridge between the LAN and whichever interface is selected for streaming.
  • Page 24 Display Dim Timeout - Enables a ‘screensaver’ that turns the contrast very low until any ♦ key or knob is used. Use this to extend the life of the display if the Z/IP ONE is not moni- tored via the frontpanel Remote ctrl password - This is the password used to access the Z/IP ONE’s configuration...

  • Page 25: Output

    ♦ Chapter 10 for more information. Bit 0..3 GPI Src - The Z/IP ONE’s 8 GPIO signals can be on the parallel port, or over ♦ Livewire. Since Livewire GPIO comes in bundles of 5 inputs and outputs, the Z/IP ONE uses the first four pins of two separate Livewire GPIO addresses.

  • Page 26: Output

    Device Visibility: Choose whether the Z/IP ONE is visible to everyone in the directory, ♦ only people in the same group, or no one at all. A “hidden” Z/IP ONE can still be dialled by anyone who knows its name and group, but will not show up in any directory listings.

  • Page 27: Output

    THe uSer inTerfACe & SeTup | Scrolling the jog wheel will give you additional information about your connections, the LAN, WAN, WiFi, and EVDO/UTMS settings. The Phonebook and History Menus These menus provide two easy ways to call codecs that you’ve connected to before. Read more about con- necting to other Z/IP ONEs in Chapter 6.

  • Page 28: Output

    WAN Interface WAN IP Address WAN Netmask WAN Gateway IP WAN DNS Server IP DCHP Activate Settings! WAN Interface | Section 4 LAN IP Address LAN Netmask LAN Gateway IP LAN DNS Server IP DCHP Activate Settings! Livewire Select LW Input Stream: Enter LW output stream number: SIP Server Registrar Hostname Registrar User Name...
  • Page 29 2304 kbps 1920 kbps 1536 kbps 1152 kbps Receive Buffering Minimum 0 ms 20 ms 50 ms 100 ms 200 ms 300 ms 500 ms Receive Buffering Maximum 0 ms 20 ms 50 ms 100 ms 200 ms 300 ms 500 ms THe uSer inTerfACe &...

  • Page 31: The Web Interface

    From any Web browser on your network you can access the internal web pages of the Z/IP ONE. Simply open the browser window, and type the IP address of your Z/IP ONE. You will be prompted to enter a user name and password.
  • Page 32 Network Menu This menu allows you to enter all of the Network Settings and Z/IP ONE Server parameters for your device. This can be quite useful (once you have entered the IP Address in the front panel user interface of the unit) as many of the parameters used by the Z/IP (device identity, DHCP hostnames, etc.) are easier to enter...
  • Page 33 This menu allows you to change the audio inputs and levels of the unit. Codec Settings Menu This menu allows you to select and change the various codecs and buffers of the unit. Livewire Settings Menu The livewire menu allows you to use your Z/IP ONE with an Axia Livewire system.
  • Page 34 | Section 5 General Settings Menu The general Settings menu allows you to configure general settings and functions(display timeout, auto answer, user password setting, etc.). Additionally, you can set NTP server information and parallel port configuration from this menu.
  • Page 35 THe WeB inTerfACe | Autodial Menu The autodial menu is a Java application that will require you to enter your username and password before it will run. There are four tabs, as shown below: Auto, Connect, Status and Audio Metering.
  • Page 36 | Section 5...
  • Page 37 This menu allows you to update the software contained in the Z/IP. To upgrade your Z/IP ONE, download the partition update file from the Telos website and save it to your lo- cal computer. The partition update archive usually follows the naming convention “zipone-????-part.tgz”;...
  • Page 38 | Section 5 QuickStart Menu This link opens a PDF copy of the QuickStart Guide in your browser window.

  • Page 39: Making Connections With Other Units

    6.1 Creating a Z/IP Identity on the Z/IP Server The first step in connecting with other units is to create a Z/IP ONE Name for your unit on the Z/IP server: 1. From the front panel user interface, navigate to the Setup menu, and then to the Z/IP Server sub-menu.
  • Page 40 If you would like this Buddy to be connected to one of the Panic Dial pins on the Parallel Port on the back panel of your Z/IP ONE, assign it to one of the 8 inputs pins using the Panic Dial Input Bit field. NOTE: You must also enable this pin for Panic Dial functionality from the Settings/Parallel Port submenu.
  • Page 41 6.3 Calling using the Call History Log Select the History button on the main menu to open the Z/IP ONE’s call log. Each call in the list is preceded by a symbol indicating an incoming or outgoing call. An arrow pointing to the right (towards the unit name) indicates an outgoing call.
  • Page 42 IP (VoIP) applications. SIP is also specified as the connection method used by the EBU Audio Contribution over IP (ACIP) standard. Using SIP, the Z/IP ONE is able to accept and make calls to a variety of devices, including some VoIP phones. This section describes how to configure the Z/IP ONE for SIP and how to make and receive SIP In order for a SIP call to be successful the two devices involved in the call must agree on a common codec.

  • Page 43: The Z/Ip Server

    Of course, you are in complete control over how your Z/IP ONE appears in the directory. You may list your Z/IP ONE as “visible to all”, “visible only to others in the same group” or even “hidden”. While in hidden mode, your Z/IP does not appear in the directory but it is still reachable by people that know your Z/IP’s...
  • Page 44 | Section 7 7.4 Media Relay Service Not all NATs behave the same way. Some NATs are very restrictive and go to great lengths to prevent data from outside the network to reach devices on the inside. This is a great security feature for PCs but not so good for devices that need to receive calls from the outside.

  • Page 45: Groups And Directory Services

    The Public Group Every Z/IP ONE is initially configured to be a member of the “public” group. The “public” group is a special group that exits by default on the server. It is special because anyone has access to it (the group password is also “public”) and it is never deleted.
  • Page 46 Z/IP connects again the name entry will be created again. There is a case (perhaps rare) that you should be aware of. If your Z/IP ONE is the only member of its group and it has been inactive for six months then the server will remove it from the directory. Twenty four hours later the group would be deleted as well since it is now empty.

  • Page 47: When An It Department Is Not Available

    When an iT Department is not available There are times when an IT department is not on hand to guide through some of the networking ins and outs. This chapter covers some of the basics to get you started. 9.1 IP Addresses, Subnet Masks and Gateways This section describes the terms used in IT environments.
  • Page 48 | Section 9 Before we get too deep into binary numbers, host and network address parts you should be aware that you can safely treat the subnet mask as just another parameter to set when you configure an IP address. No deep understanding is required to find out what the local subnet mask is and to configure it for your IP device.
  • Page 49 WHen An iT DepArTMenT iS noT AVAilABle | IP Address Classes Fine, you say. That was mildly entertaining. But why muck about with subnet masks and binary operations? Why can’t they just always use the first 3 bytes for the network ID and the last byte for the host ID? That is a fair question.
  • Page 50 | Section 9 What about ending with .255 you ask? It is true that the largest possible value is 255 (or 11111111 in binary). But addresses that end with .255 have a special meaning in the Internet Protocol. They are local broadcast addresses. A packet sent to such a broadcast address will be delivered to all hosts on the local subnet.
  • Page 51 WHen An iT DepArTMenT iS noT AVAilABle | 3. Type “ipconfig /all” then press Enter. You should see some entries similar to the ones shown below: If the PC has multiple adapters you will see multiple entries displayed. In the example above, the PC has a wireless adapter and the Media State for it is shown as disconnected which indicates that the wireless is currently disabled.
  • Page 52 | Section 9 number; I prefer to start with the lower numbers for no particular reason. For this example, I choose 10 so my first IP address to test will be 192.168.123.10. 1. Go to the Start menu on the task bar and select Run. Type “cmd” then click OK. A command prompt window should come up.
  • Page 53 WHen An iT DepArTMenT iS noT AVAilABle | 9.4 Duplicate IP Addresses Duplicate IP addresses can be difficult to diagnose. Some PCs may give you a warning at boot up that the currently configured IP address is in use. But other times, duplicate IP addresses are only discovered when an IP device behaves strangely.
  • Page 54 | Section 9 In the example drawing above, the laptop sends a request to a search engine. The packet is labeled with the IP address of laptop, 192.168.1.100. The NAT router intercepts the packet and changes the packet to replace the laptop’s IP address with the public IP address assigned to the router, in this example 75.24.91.63 then sends the packet to the destination.
  • Page 55 WHen An iT DepArTMenT iS noT AVAilABle | The Z/IP is able to communicate through most types of NATs without requiring any special configuration of the NAT. But some NATs are much more restrictive than others. Establishing a connection becomes even more difficult when both ends are behind very restrictive NATs.

  • Page 57: The Parallel Port And Contact Closures

    The parallel port and Contact Closure As stated in the Installation section, the Z/IP has a DB25 connector on the back panel that provides contact closures (close-to-ground) inputs and outputs. There are 8 open-collector outputs, and 8 open collector inputs, each configurable from the Settings menu in the user interface. The DB25 connector is pinned out as follows: FUNCTION +5 Volts DC 400 mA max...

  • Page 58: Parallel Inputs

    | Section 10 Parallel Outputs 0-7 Outputs are open collector to ground and can sink up to 125 mA of current each (actually, any output can sink up to 400 mA, however the maximum combined current should be kept below 1000 mA). These can be used to convey logic from the far end codec, or they can be used for monitoring the status of the local unit.
  • Page 59 THe pArAllel porT AnD ConTACT CloSure | The inputs can be transmitted to the far end Z/IP when using the AAC-HELD, or to a Zephyr Xstream in AAC mode. The inputs can also be used for local control functionality such as triggering auto dialing to your speed dial members.

  • Page 61: Audio Coding Reference

    Audio Coding reference 11.1 Introduction to Audio Coding Technology Introduction Audio takes up a lot of data. Just a regular phone call uses 64,000 bits per second. Without data reduction, CD-quality quality audio — 16 bits at 44.1kHz sample rate — requires a transmis- sion capacity of about 706 thousand bits per second (kbps) for each audio channel. But, the wires we use for remote broadcasting are on a telephone system designed for voice-grade communications: 8 bits at 8kHz sample rate, or 64 thousand bits per second (kbps) per channel.

  • Page 62: Basic Principles Of Perceptual Coding

    | Section 11 is adapted to the way we hear sounds. There are several algorithms available, with varying complexity and performance levels. Some years ago, the international standards group ISO/IEC established the ISO/MPEG (Moving Pictures Expert Group), to develop a universal standard for encoding moving pictures and sound for digital storage and transmission media.
  • Page 63 AuDio CoDinG referenCe | Masking effects in the frequency domain. A masking signal inhibits audibility of signals adjacent in frequency and below the threshold. To benefit from the masking effects, perceptual coders use a filter bank to divide the input audio into mul- tiple bands for analysis and processing.
  • Page 64 | Section 11 The combined results of time and frequency vs. masking. Signals under the curve are inaudible. IMPORTANT! Due to a perceptual coder’s reliance on precisely modeling principles of human perception, audio to be coded should not be processed with any non-linear dynamics-processing such as clipping, multi-band compression, or hard limiting.
  • Page 65 AuDio CoDinG referenCe | The components work as follows: The analysis filter bank divides the audio into spectral components. Sufficient frequency resolution ♦ must be used in order to exceed the width of the ear’s critical bands, which is 100 Hz below 500 Hz and 20% of the center frequency at higher frequencies.
  • Page 66 | Section 11 has gone on to significant Internet and consumer electronics fame under the moniker derived from the file extension: MP3. MPEG2 opened the door for new work, and some minor improvements were added to both Layers 2 and 3. In 1997, the first in the AAC family was added to the MPEG2 standard. MPEG4 is ongo- ing now, but it has already been decided that AAC will be the “general audio”...
  • Page 67 AuDio CoDinG referenCe | Low-complexity Profile. Deletes the prediction tool and reduces the temporal noise-shaping tool in ♦ complexity. Sample-rate Scalable (SRS) Profile. Adds the gain control tool to the low complexity profile. Allows ♦ the least complex decoder. The block diagram of the AAC encoder is shown below. It is considerably more sophisticated than the previ- ous MPEG Layer-2 and Layer-3 systems, and therefore offers more coding power.
  • Page 68 | Section 11 Ancillary Data. The bit reservoir buffer offers an effective solution for the inclusion of such ancillary ♦ data as text or control signaling. The data is held in a separate buffer and gated onto the output bit stream using some of the bits allocated for the reservoir buffer when they are not required for audio.
  • Page 69 AuDio CoDinG referenCe | Summary of ITU-T G.13, with recommendations for designers of telephone systems that must cope with echo. This shows Talker Echo Loudness Rating vs. delay. There are codecs using other than perceptual technologies that have lower delay, but they are not as powerful.
  • Page 70 | Section 11 Look-ahead delay for block switching. Layer-3 and AAC use filter banks with high frequency ♦ resolution. For signals with high tonality, efficiency is high. But when there are transients, a dynamic switching process changes to a filter bank with lower frequency resolution and better time resolu- tion.
  • Page 71 AuDio CoDinG referenCe | We include it in Z/IP to offer compatibility with the widest variety of codecs, and for use at high bit rates. Layer-2 J-Stereo The Layer-2 joint stereo mode uses an “intensity coding” method. This method has high coding power and is quite effective, but hurts stereo separation on some program material.

  • Page 73: Mobile Network Devices

    USB port on the back of the unit. To use one of these devices is not complicated: 1. Boot the Z/IP ONE WITHOUT the USB device plugged in (this is important because the Z/IP may not recognize the device unless it is plugged in while the unit is up and running).
  • Page 74 | Section 12 For UMTS/EVDO Wireless Networks 1. From the Setup->Network menu choose the UMTS/EVDO option; 2. Set the country, protocol, dial number,PIN number, account name, account password,and provider URL (all these things should have been given to you from your wireless provider). 3. Select Activate Settings to commit your settings to memory and begin using them.

  • Page 75: Using The Field Upgrade Option

    13.1 Software Menu The Z/IP ONE has two memory “banks” each of which can hold a complete firmware load. This permits updating the firmware without risk, since the current software is never erased until the user has already run the revised version.

  • Page 76: Firmware Update

    “zipone-04Apr2011-V1.0.0r-full.tgz”. DO NOT unpack this archive. 2. Connect to the embedded web page of the Z/IP ONE you will be upgrading by typing its IP Address into the Navigation Bar of your browser. 3. Navigate to the “Update” page of the Z/IP ONE.
  • Page 77 INTERRUPTING THE PROGRAMMING OF THE Z/IP’S FLASH MODULE CAN CORRUPT THE DATA AND RENDER THE UNIT UNUSABLE. 13.3 Installing a New Flash Card In certain circumstances it may be necessary to replace the internal flash card containing the Z/IP ONE software. This card is located inside the unit. WARNING PLEASE FOLLOW ALL INSTRUCTIONS CLOSELY.

  • Page 79: Z/Ip One Audio Specifications

    z/ip/one AuDio SpeCifiCATionS: Line Input: : +4dBu input THD+N Pro/Pro: < 0.03% @ +12dBu, 1 kHz Sine; Freq Response: +/- 1dB 25– 20 kHz Head Room: 18dB Dynamic Range: > 87dB Unweighted > 90 dB “A” Weighted Crosstalk: Over 80 db Output Clipping: + 22dBu Output Impedance:...

  • Page 81: Warranty And Application Caution

    Warranty and Application Cautions Z/IP ONE LIMITED WARRANTY This Warranty covers “the Products,” which are defined as the various audio equipment, parts, software and accessories manufactured, sold and/or distributed by TLS Corp., d/b/a Telos Systems (hereinafter “Telos Systems”). With the exception of software-only items, the Products are warranted to be free from defects in material and workmanship for a period of two years from the date of receipt by the end-user.

  • Page 83: Safety Notification

    Safety notification This symbol, wherever it appears, alerts you to the presence of uninsulated, dangerous voltage inside the enclosure – voltage which may be sufficient to constitute a risk of shock. This symbol, wherever it appears, alerts you to important operating and maintenance instructions.
  • Page 84 | Section 17 14. Accessories. Do not place this product on an unstable cart, stand, tripod, bracket or table. Any mounting of the product needs to follow the manufacturer’s instructions. 15. Servicing. Refer all servicing to qualified service personnel. 16. Damage Requiring Service. Unplug this product from the wall AC outlet and refer servicing to quali- fied service personnel under the following conditions: When the AC cord or plug is damaged.

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