HUAWEI TE40&TE50&TE60 Videoconferencing
Endpoint
Administrator Guide
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
When installing a VPM220, do not point any microphone towards the speaker.
Status Indicators on the VPM220
VPM220 status indicators quickly provide working status information.
There are three indicators on top of the VPM220 at an interval of 120°. Table 5-4 describes
these three indicators.
Table 5-4 VPM220 status indicators
Microphones in all the three directions are
muted.
Microphones in all the three directions are
unmuted or working correctly.
All blue and blinking in turn clockwise
The VPM220 is connecting to the endpoint.
The VPM220 is in sleep mode or
disconnected from its power supply.
For more information, see the HUAWEI VPM220 Microphone Array User Guide and
HUAWEI VPM220 Microphone Array Quick Start Guide.
VPM220 Cascading
The VPM220 provides 360° sound pickup and an optimal pickup range of six meters. In a
large conference room (of about 40 to 50 square meters) with only one VPM220, audio far
from the VPM220 becomes problematic; cascaded VPM220s can help alleviate this problem.
Dynamically cascading, connecting, or disconnecting VPM220s will not interrupt a
conference.
The TE40 and TE50 can be connected to only one VPM220 while the TE60 can be connected
to two cascaded VPM220s.
Figure 5-1 shows the cascading of VPM220s.
Figure 5-1 Cascading of VPM220s
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