Yealink VCM38 Administrator's Guide

| Configuring Network Settings | 85
Parameter Description Configuration Method
Option
Specify the DHCP option from
which the system obtains
the VLAN settings. You can
configure at most 5 DHCP
options and separate them by
commas.
Note: the value can be any
integer from 128 to 254. The
default value is 132.
If you change this parameter, the
system will reboot to make the
change take effect.
Web user interface
802.1x Authentication
You can use 802.1x authentication to restrict the unauthorized devices to accessing the LAN. The 802.1x
authentication can be used to authenticate the devices connected to the port before the system obtains all
the businesses.
The system supports the following protocols for 802.1X authentication:
• EAP-MD5
• EAP-TLS (Device and CA certificates are required, password is not required)
• EAP-PEAP/MSCHAPv2 (CA certificates are required)
• EAP-TTLS/EAP-MSCHAPv2 (CA certificates are required)
For more information on 802.1X authentication, refer to Yealink 802.1X Authentication.
• Configuring the 802.1x Authentication
Configuring the 802.1x Authentication
Procedure
1. Do one of the following:
• On your web user interface, go to Network > Advanced > 802.1x.
• On your VCS: go to More > Settings > Network Setting > Wired Network > Advanced Network >
802.1x Mode.
For VP59, tap > Settings > Network Setting > Wired Network > Advanced Network > 802.1x
Mode.
•
On your CTP20/CTP18, tap > Settings > Network Setting > Host Network > Advanced
Network > 802.1 x Mode.

Yealink VCM38 Specifications

General

Type	Conference microphone
Noise reduction	Yes
Microphone frequency	100 - 16000 Hz
Microphone sensitivity	-45 dB
Microphone pick-up range	6 m
Number of microphone arrays	8
Maximum sound pressure level (1kHz)	100 dB
Device interface	RJ-45
Connectivity technology	Wired
Maximum operating distance	40 m
Mounting type	Ceiling
Product color	Silver
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	5 - 90 %
Number of products included	1 pc(s)
Harmonized System (HS) code	85181000
Power source	DC/PoE
Sustainability certificates	CE, Federal Communications Commission (FCC), REACH, RoHS

Weight and Dimensions

Width	127.3 mm
Height	66.3 mm