Akuvox E21 Series User manual
E21A/E21V x 1
Torx wrench x 1
M4x15 Torx head screw x 4
Flush-mounting box x 1（Optional）
E21X
Before you begin using the device, please check the version you got and ensure that the following
items are included in the shipped box:
Sensor
Status LED
Mic
According to the position of
the cable, cut a square hole
in the wall of the height of
190mm，width of 100 and
depth of 60 mm that can
accommodate and through
out all necessary cables.
Knock out suitable cable
holes of the flush-mounting
box,then insert the
flush-mounting box into the
square hole on the wall and
route through all cables.
Use cement or non-corrosive
structural adhesives to fill the
gap between the wall and
flush-mounting box.Wait the
adhesive material dry, go to
the next step.
Fix E21X on the flush-mounting
box with four M4x15 Torx
head screws.
Device Wiring
Wire Length & AWG Table
Please follow the properly measured wire gauge/length to install device:
16 AWG 18 AWG 20 AWG 24 AWG
12V 1A Adapter ≤50m ≤50m ≤50m
Note: If power device with POE,
please do not plug in another
power supply.
22 AWG
≤40m ≤20m
2
E21X
1. Access the Web UI: Input the IP address into browser to configure the phone.
2. Account Registration: On web UI, go to the path: Account > Basic to register an account
and fill in the account information. ( Please refer to admin guide for
more information)
3. Push Button Configuration: On web UI, go to the path: Intercom > Basic > Push Button
to configure the call number.
4. DTMF code Configuration: On web UI, go to the path: Intercom > Relay > Relay
ID/DTMF and choose the DTMF code number in corresponding area.
IP Announcement
1.While E21X starts up normally, hold the Call Button for several seconds after Status LED
light turns blue, the voice system will enter IP announcement mode.
2.In announcement mode, the IP address will be announced periodically.
3.Press Call Button again to exit the announcement mode.
* If no IP address has been obtained, E21X announces “IP 0.0.0.0”.
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E21X
Note: For more LED settings, please check in Intercom > LED Setting of E21 Web UI.
Make a call:
1. Press the Call Button to call indoor SIP Phone, video call is only for E21V.
2. During the talk, a called party can press predefined DTMF code number to open
the door.
Receive a call:
E21X supports Auto Answer by default. Incoming calls will be answered automatically.
AKUVOX (XIAMEN) NETWORKS CO., LTD.
Add.: 10/F, NO.56 GUANRI ROAD, SOFTWARE PARK II, XIAMEN 361009, CHINA
www.akuvox.com
Notice Information
Akuvox E21X firmware contains third-party open source software under the terms of the GNU General Public
License(GPL). Akuvox is committed to meeting the requirements of the GNU General Public License (GPL) and will
make all required source code available.
The source code of software under the terms of GNU GPL can be downloaded online: http://www.akuvox.com/gpl.
Information contained in this document is believed to be accurate and reliable at the time of printing. This document is
subject to change without notice, any update to this document can be viewed on Akuvox’ s website:
http://www.akuvox.com © Copyright 2022 Akuvox Ltd. All rights reserved.
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