LifeSize Express 200 Bedienungsanleitung

LifeSize®Room 200TM Installation Guide

2LifeSize Room 200 Installation Guide

November 2009

LifeSize Communications has made every effort to ensure that the information contained in this

document is accurate and reliable, but assumes no responsibility for errors or omissions. Information

in this document is subject to change without notice. Companies, names, and data used in examples

herein are fictitious unless noted. This document contains copyrighted and proprietary information,

which is protected by United States copyright laws and international treaty provisions. No part of the

document may be reproduced or transmitted, in any form or by any means, electronic or mechanical,

for any purpose, without the express written permission from LifeSize Communications.

Trademark Acknowledgments

LifeSize® is the trademark of LifeSize Communications Inc. All other trademarks are the property of

their respective owners.

Patent Notice

For patents covering LifeSize® products, refer to http://www.lifesize.com/support/legal.

Contacting Customer Support

If you have questions, concerns, or need assistance, contact your LifeSize Partner.

Providing Customer Feedback

LifeSize Communications welcomes your comments regarding our products and services. If you have

feedback about this or any LifeSize product, please send it to feedback@lifesize.com. Contact

information for LifeSize Communications is as follows:

Method Address

Internet http://www.lifesize.com

E-mail [email protected]

Phone (877) LIFESIZE or (877) 543-3749

(512) 347-9300

Fax (512) 347-9301

LifeSize Room 200 Installation Guide 3

Preparing for Installation

As you prepare to install a LifeSize video communications system, consider the physical

conditions of the room, compatibility with displays and your network configuration and

settings. LifeSize recommends you collect your network settings and system identification

information before you begin installation. Refer to “Initial Configuration” on page 6, which

explains what information you need to collect and provides space to record it.

Room Configuration

The size, shape, layout and occupancy of the room dictate where you place your video

conferencing components. For example, in a multi-user conference room, place a

LifeSize MicPod or LifeSize Phone at the center of the participants as their detection

patterns are omnidirectional.

Warning: Avoid routing cables from the codec across foot-traffic areas as tripping on

the cables can cause both personal injury and permanent damage to the connectors in

the cables and codec. If cables must cross foot-traffic areas, use some form of cable

management system or strategy to avoid the possibility of tripping.

The lighting in your environment affects image quality. The optimal lighting for LifeSize

systems is 300 to 500 LUX. If light levels are too low, consider adding artificial lighting.

Indirect light from shaded sources or reflected light from pale walls often produces excellent

results. Avoid the following:

• direct sunlight on the subject matter, the background, or the camera lens

• direct illumination of the subject matter and camera lens

• colored lighting

• harsh side lighting or strong light from above

Consult your administrator or LifeSize Partner for specific lighting requirements for your

environment.

4LifeSize Room 200 Installation Guide

Supported Display Types and Resolutions

LifeSize video communications systems connect to HD displays (720p minimum), including:

• Plasma, LCD, and LED flat panel displays

• Large screen rear projection TV displays (720p/1080p displays)

• Front projection displays

• Rear projector A/V room configurations

Supported display resolutions include the following:

Display 1:

• 1280 x 720p60

• 1280 x 768p60

• 1920 x 1080p30

• 1920 x 1080i60

Display 2:

• 1280 x 720p60

• 1280 x 768p60

• 1920 x 1080p30

• 1920 x 1080i60

The primary output of LifeSize Room 200 defaults to 720p60 and will work with any 720p

HDMI display. To learn how to change the resolution for 1080 HDMI displays, refer to

“Changing Display Resolution” on page 18.

Note: The Display 1 Resolution and Display 2 Resolution preferences in

Administrator Preferences : Appearance : Displays default to Auto if you select

an option for these preferences that is not supported by the connected display. For

more information about troubleshooting exceptions to this behavior and changing

display resolution, refer to “Changing Display Resolution” on page 18.

LifeSize recommends using a dual display configuration for presentations.

Note: If the resolutions are not the same, Display 2 will be limited to displaying

presentations and will not be able to mirror the primary display or display calls. For

more information, see “Configuring a Second Display” on page 19.

LifeSize Room 200 Installation Guide 5

Placement Behind a Firewall

LifeSize recommends that you place your system behind a firewall and block, at minimum,

the following ports:

• 22 (SSH)

• 23 (Telnet)

• 80 (HTTP)

• 443 (HTTPS)

If you require these ports to remain open, ensure that you change the default administrator

and command line interface passwords to be very secure. For information about changing

the default administrator password, refer to “Changing the Administrator Password” in the

LifeSize Video Communications Systems Administrator Guide.

For information about changing the command line interface password, refer to the LifeSize

Automation Command Line Interface document available on the Support page of

www.lifesize.com.

You can also disable SSH and web access on the system by configuring preferences in the

user interface. By default, Telnet access is disabled. For more information, refer to the

LifeSize Video Communications Systems Administrator Guide.

Network Bandwidth

Poor audio and video quality may result from insufficient bandwidth on your network.

LifeSize recommends that your network be capable of at least 1 Mb/s (incoming and

outgoing) for a high definition video call. During video calls with lower bandwidths, LifeSize

systems automatically select the best resolution that can be achieved with the available

bandwidth.

Domain Name Service Server

If you intend to use domain addresses for placing calls you must configure a Domain Name

Service (DNS) server, or use a Dynamic Host Configuration Protocol (DHCP) server that

automatically sets a DNS server.

6LifeSize Room 200 Installation Guide

Initial Configuration

During the installation process, your LifeSize system prompts you to configure it for the first

time. LifeSize recommends that you gather all the necessary information prior to installation.

The following sections provide guidelines for collecting and a means of recording this data.

You may need to consult your network administrator for network settings and system

identification information.

Note: The initial configuration screens also appear when you perform a system reset. For

more information, refer to “Restoring Default Settings” in the LifeSize Video

Communications Systems Administrator Guide.

Language

You can select the language to display in the user interface. The default is English.

Administrator and User Passwords

Some functions and preferences available from the user interface are accessible only to

administrative users with a password. For security reasons, LifeSize recommends that you

change the default administrator password (1 2 3 4) during the initial configuration.

Optionally, you can set a user password to control access to user preferences that enable

the user to do the following:

• Change the appearance of the user interface.

• Specify how calls are answered.

• Configure audio settings.

• Change cameras and DVI-I input settings.

• Reboot the system.

The administrator and user passwords can contain any combination of the numbers 0-9 and

the symbols * (star) and # (pound) up to 16 characters in length.

Note: If you set a user password, you can also use the administrator password to access

user preferences.

Administrator Password: ________________________________________________

User Password: _______________________________________________________

LifeSize Room 200 Installation Guide 7

System Identification

Information that identifies the system to users appears throughout the user interface.

Set the Location preference to your location. The default is the United States. The Time

Zone preference sets the system time that appears in the status bar on the main page of the

user interface. It defaults to Greenwich Mean Time. You must set this preference even if you

specify an NTP server during the initial configuration (refer to “Network Settings” on page 8).

The System Name, Video Number, and Voice Number appear in the user interface on the

main screen. The system name may also appear in the local and corporate directories.

LifeSize recommends that you change the default system name to one that meaningfully

identifies the system to your users.

System Name: (to identify this installation in the network): _______________________

Video Number: ________________________________________________________

Phone Number: ________________________________________________________

Video and Voice Dialing Preferences

LifeSize systems support either the IP or ISDN protocol for video dialing. The default setting

for the Video Dialing preference is Auto which enables the system to determine the best

method to use to place calls.

You can select either VoIP, ISDN, or Touch Tone for the Voice Dialing preference. For voice

calls, VoIP uses H.323 or SIP, Touch Tone uses PSTN. The default is VoIP.

Note: Pulse dialing is not supported.

When placing a call using the Voice button on a LifeSize Phone connected to the system

and voice dialing is set to touch tone, you can only dial phone numbers using PSTN

connectivity. When voice dialing is set to VoIP, you can dial IP addresses as well as phone

numbers.

When placing a call using the remote control or using the Video button on the phone you

can dial either phone numbers or IP addresses. This enables systems inside a corporate

network without access to a gateway to call other LifeSize systems in the network using

system IP addresses.

8LifeSize Room 200 Installation Guide

Network Settings

By default, DHCP is enabled on LifeSize systems. If you choose Disabled for the DHCP

preference, you must enter an IP address (the locally configured IP address if not assigned

by a DHCP server), Subnet Mask (used to partition the IP address into a network and host

identifier), and Default Gateway (the IP address of the default gateway the system uses).

IP Address: ___________________________________________________________

Subnet Mask: _________________________________________________________

Default Gateway: ______________________________________________________

You can enter the Hostname of the system. If you do not have a DHCP server that

automatically sets a DNS server, you can enter the IP addresses to configure DNS Servers.

You can also define the domain names to search when resolving hostnames. DNS

translates names of network nodes into addresses; specify this preference to use DNS to

resolve the hostnames of devices to IP addresses.

Hostname: ___________________________________________________________

DNS Servers: _________________________________________________________

Name Search Domains: _________________________________________________

If you choose an option other than Auto (the default) for the Network Speed preference,

ensure that the option matches the speed and duplex configured on your network switch.

Network Speed: ________________________ Network Duplex: _________________

You can enter the hostname or IP address of a Network Time Protocol (NTP) server to set

the system date and time automatically. The LifeSize system ignores the value you specify

for the NTP Server Hostname if the DHCP preference is set to Enabled and the DHCP

server can pass an NTP server address to the LifeSize system.

Network Time Protocol (NTP): ____________________________________________

Audio Preferences: Active Microphone

The default for Active Microphone is Auto. The system detects attached audio input

devices and selects one of them to be the active microphone in the following order:

• phone

• microphone in

• camera 1

If you wish to use a device connected to line in 1 or line in 2 on the codec as the active

microphone, you must choose the corresponding line in option manually for Active

Microphone.

LifeSize Room 200 Installation Guide 9

The Active Microphone field in the System Information page shows which device is

functioning as the active microphone. When the value is None, the No Active Microphone

indicator appears in the status bar on the main screen of the user interface indicating

that no active microphone is available. You can view the System Information page after

you install the system and complete the initial configuration. From the main screen, press

the button on the LifeSize remote control.

Note: If you choose Line In 1, Line In 1 (No AEC), Line In 2 or Line In 2 (No AEC) as the

active microphone, and a device is not connected to the appropriate connector on

the codec, the System Information page shows Line In 1 or Line In 2 as the status

for Active Microphone. The No Active Microphone indicator does not appear in the

user interface.

The Microphone In (No AEC), Line In 1 (No AEC), and Line In 2 (No AEC) options for the

Active Microphone preference are for use with a microphone that has its own acoustic

echo canceller (AEC).

Audio Preferences: Active Microphone Volume

You can adjust the audio level for the active microphone by selecting Active Microphone

Volume and pressing OK on the LifeSize remote control.

Note: A built-in acoustic echo canceller and noise reducer are active when Microphone In,

Camera 1, or Line In is the active microphone. The built-in acoustic echo canceller

automatically attempts to adjust audio volume for optimum levels.

10 LifeSize Room 200 Installation Guide

An audio meter appears below Active Microphone Volume when you access the

preference. The audio meter follows the digital signal processing, Automatic Gain Control

(AGC), and volume and tone controls on the transmitted voice path as depicted in the

following illustration.

The dotted line illustrates the audio path when Microphone In (No AEC), Line In 1 (No AEC),

or Line In 2 (No AEC) is selected as the active microphone. This mode is useful for setting

up system gains but should never be used during calls unless the installation includes audio

inputs with external AEC. Echo may occur if no AEC is employed.

If you choose LifeSize Phone as the active microphone, the Active Microphone Volume

preference is not available. The LifeSize Phone microphones adjust volume automatically.

The voice stream bypasses all processing in the LifeSize system, including the volume and

tone controls, and is fed directly into the transmitted voice path.

The audio meter displays the level of the transmitted voice in decibels (dB) root mean

square (RMS) below digital full scale (DFS). The meter is accurate to ± 1 dB. The maximum

level is 0 dB. Levels below –50 dB are not displayed, and indicate a very quiet or inactive

input. Typical levels during a call peak around –28 to –22 dB DFS. The AEC and AGC

attempt to keep the RMS transmit level below –20 dB DFS. The following images show what

appears in an audio meter at various levels.

LifeSize Phone

Line In

LifeSize

MicPod

Other Digital Inputs

Volume and

Tone Control

Transmitted

Voice/Audio

DSP, AGC,

Echo Canceller

A/D

Audio Meter

A/D

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