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HUAWEI VPM220W Microphone Array

User Guide

B Technical Specifications

Issue 01 (2013-9-15)

Huawei Proprietary and Confidential

Technical Specifications

Category

Item

Specifications

Protocol and standards

compliance

Network port

None

Audio input/output

interface

Huawei private audio protocol

Audio

Input interface

Micro USB

Output interface

None

Sampling rate

48 kHz

Frequency response

3 dB: 0.2 kHz to 14 kHz
6 dB: 0.1 kHz to 20 kHz

Acoustic Echo

Cancellation (AEC)

Supported

Acoustic Noise

Suppression (ANS)

Supported

Automatic Gain

Control (AGC)

Supported

Signal-to-noise ratio

(SNR)

Not less than 70 dB

Microphone

Sensitivity

38±2 dB

Audio pickup

distance

6 m

Audio pickup scope

360°

Power supply and power

Input voltage range

100 V to 240 V AC (50 Hz/60 Hz)

Output voltage

5±5% V DC

Operating power

consumption

2 W

Standby power

0.7 W

Summary of Contents for VPM220W

Page 1: ...HUAWEI VPM220W Microphone Array V100R001 User Guide Issue 01 Date 2013 9 15 HUAWEI TECHNOLOGIES CO LTD ...

Page 2: ...ei and the customer All or part of the products services and features described in this document may not be within the purchase scope or the usage scope Unless otherwise specified in the contract all statements information and recommendations in this document are provided AS IS without warranties guarantees or representations of any kind either express or implied The information in this document i...

Page 3: ...irm compatibility with other videoconferencing equipment Related Versions The following table lists the product versions related to this document Product Name Version HUAWEI VPM220W Microphone Array V100R001 Intended Audience This document is intended for Users of the microphone array Installation engineers of the microphone array Administrators of videoconferencing systems Technical support engin...

Page 4: ... a medium or low level of risk which if not avoided could result in minor or moderate injury Indicates a potentially hazardous situation which if not avoided could result in equipment damage data loss performance degradation or unexpected results Indicates a tip that may help you solve a problem or save time Provides additional information to emphasize or supplement important points of the main te...

Page 5: ...Appearance 4 2 2 Placing the VPM220W 5 2 3 Turning On or Off the Power Switch 5 2 4 Connecting to the Videoconferencing Endpoint 5 2 5 Muting or Unmuting the VPM220W 6 2 6 Checking Indicators 7 2 7 Switching the Work Mode 8 2 8 Checking the Volume 8 2 9 Charging the VPM220W 8 3 Mono and Stereo 10 3 1 Mono and Stereo Configurations 10 3 2 Mono and Stereo Collection 11 4 Upgrade 12 4 1 Automatic Upg...

Page 6: ...lly search for an available Wi Fi network The next time you use the VPM220W it automatically connects to the same endpoint The VPM220W can be easily moved based on the number of meeting participants and the layout of the venue This avoids the inconvenience associated with wired microphones The VPM220W network is simple and because its microphones directly communicate with the videoconferencing end...

Page 7: ...n 2 W of power in active mode and less than 0 7 W in standby mode Videoconferencing endpoints rather than the VPM220W perform audio processing which reduces the VPM220W s power consumption 1 2 Components Unpack the product and ensure that all the necessary components are included Table 1 1 lists the VPM220W components If you have purchased optional accessories check them against your order Table 1...

Page 8: ...uawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 3 1 3 Compatibility with Videoconferencing Endpoints The VPM220W is compatible with the following videoconferencing endpoint models HUAWEI TE30 HUAWEI TE40 HUAWEI TE50 HUAWEI TE60 HUAWEI TE80 HUAWEI DP300 ...

Page 9: ...W is plate shaped with three microphones spaced 120 degrees apart On top is a mute button a battery indicator a Wi Fi indicator and three microphone indicators You can mute or unmute all the VPM220Ws of the same site by tapping the mute button The VPM220W has a power switch on its base You can turn off this switch if the VPM220W is not to be used for a long period of time For details about the ind...

Page 10: ...ee microphone indicators turn blue and blink in a clockwise direction Once the VPM220W obtains the IP address the three microphone indicators become Steady blue when microphone input is enabled on the videoconferencing endpoint Steady red when microphone input is disabled on the videoconferencing endpoint To power off the VPM220W press and hold the power button for 2 seconds or more 2 4 Connecting...

Page 11: ...he VPM220W then performs the Wi Fi Protected Setup WPS Push Button Configuration PBC authentication with the videoconferencing endpoint in order to obtain an IP address During WPS PBC authentication the three microphone indicators blink blue in a clockwise direction Automatic connection After the VPM220W first obtains an IP address it automatically reconnects after a restart 2 5 Muting or Unmuting...

Page 12: ... the videoconferencing endpoint The VPM220W is restarting All three microphone indicators are blinking blue twice simultaneously The VPM220W is preparing to send a videoconferencing endpoint a request for Wi Fi Protected Setup WPS Push Button Configuration PBC authentication All three microphone indicators are blinking blue simultaneously The VPM220W is upgrading All three microphone indicators ar...

Page 13: ...ng the sleep instruction the VPM220W enters the sleep mode and stops collecting and sending audio data all the three microphone indicators are blue on and off gradually You can wake the VPM220W in either of the following two ways Send a wakeup instruction to the VPM220W on the videoconferencing endpoint Press the button on top of the VPM220W When the VPM220W wakes up the VPM220W starts to collect ...

Page 14: ...idential Copyright Huawei Technologies Co Ltd 9 When the VPM220W has no battery installed do not connect its USB port to any power supply as doing so may shorten the VPM220W s service life Risk of explosion if battery is replaced by an incorrect type Dispose of used batteries according to the instructions ...

Page 15: ...and transmits it to a videoconferencing endpoint The endpoint then processes the received audio data and sends it through both the left and right audio channels to the peer site Stereo mode enables listeners to distinguish the direction from which the sound comes thereby delivering a more true to life experience A single VPM220W can work in stereo mode 3 1 Mono and Stereo Configurations You can co...

Page 16: ...ns The VPM220W then transmits the best quality sounds collected by one of the microphones to the videoconferencing endpoint Stereo Mode Figure 3 1 shows the application of the left and right audio channels when one VPM220W is working in stereo mode Figure 3 1 Sound collection L This microphone is used to collect sounds for the left audio channel R This microphone is used to collect sounds for the ...

Page 17: ...for the first time contact technical support engineers for help During the upgrade ensure that the power supply is functioning properly to avoid damage to the VPM220W 4 1 Automatic Upgrade Context You can enable the wireless MIC auto update function on a videoconferencing endpoint When the videoconferencing endpoint is connected to the VPM220W it automatically checks whether the upgrade software v...

Page 18: ...e crossover cable or switch Context When the VPM220W is connected to a HUAWEI TE30 the upgrade tool cannot be used to upgrade the VPM220W Procedure Step 1 Power on the computer and videoconferencing endpoint Step 2 Run UpgMaster exe to display the upgrade tool window Step 3 Set the automatic upgrade parameters by referring to Figure 4 1 Click Browser and select the upgrade file Select Mic for Prod...

Page 19: ...center for repair Without prior written consent no organization or individual is permitted to make any change to the structure or safety design of the device Huawei Technologies Co Ltd is not liable for any consequences or legal issues resulting from such changes While using this device observe all applicable laws directives and regulations Environmental Requirements Place the VPM220W at a well ve...

Page 20: ...the specified maintenance center for repair Prevent any objects such as metal shavings from entering the device through the heat dissipation vents Before connecting any other cables connect the device ground cable Do not disconnect the ground cable until you disconnect all other cables Make sure that the three phase power socket is correctly grounded The neutral line and the live line must not be ...

Page 21: ...dance with Article 11 2 in Directive 2002 96 EC WEEE VPM220W were marked with the following symbol a cross out wheeled waste bin with a bar beneath as below FCC Part 15 This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions This device may not cause harmful interference This device must accept any interference received including interference that ma...

Page 22: ...d operation of the device Le présent appareil est conforme aux CNR d Industrie Canada applicables aux appareils radio RSS 210 L exploitation est autorisée aux deux conditions suivantes 1 l appareil ne doit pas produire de brouillage et 2 l utilisateur de l appareil doit accepter tout brouillage radioélectrique subi même si le brouillage est susceptible d en compromettre le fonctionnement RSS 102 s...

Page 23: ...Audio Input interface Micro USB Output interface None Sampling rate 48 kHz Frequency response 3 dB 0 2 kHz to 14 kHz 6 dB 0 1 kHz to 20 kHz Acoustic Echo Cancellation AEC Supported Acoustic Noise Suppression ANS Supported Automatic Gain Control AGC Supported Signal to noise ratio SNR Not less than 70 dB Microphone Sensitivity 38 2 dB Audio pickup distance 6 m Audio pickup scope 360 Power supply an...

Page 24: ...19 Category Item Specifications consumption Physical specifications Operating temperature 0 C to 40 C Unpacked device dimensions diameter x height 146 mm x 27 mm 5 75 in x 1 06 in Package dimensions H x W x D 77 mm x 295 mm x 193 mm 3 03 in x 11 62 in x 7 60 in Net weight 0 12 kg Gross weight with the device cables and package 0 58 kg Charger base weight 72 5 g ...

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