AMX AV/IT Administrators Guide
Rev. 1.0 (7/29/2014) www.amx.com Page 4
Group devices for security and safety
o There are limited valid reasons for remote access to the AMX equipment and the
equipment controls potentially sensitive meetings.
o AMX systems may control physical environments like projector lifts and lighting
Improper remote access could be a safety issue.
Group devices by traffic types
o AMX devices primarily communicate between each other using ICSP over IP.
o There is significant broadcast traffic between AMX devices
Group devices geographically
o In a campus setting, which may have multiple VLANs due to LAN topology requirements,
routing should be enabled between the control VLANs
AV Devices not on the control VLAN
In the case of devices with network connections that utilize the Ethernet connection for both
control and media, such as a VTC Codec or streaming encoder/decoder, the device should reside
on the VLAN that makes the most sense for the media, but a static route should be set to the
control network with an ACL to allow for traffic.
In the case of a management system such as RMS, the best practice would be to have the RMS
Server reside on the data network with a static route set to the control network with an access
control list (ACL) to allow for traffic to and from RMS.
Addressing requirements
AMX equipment supports DHCP and Static addressing with one IP address per device. AMX Central
Controllers do not act as a DHCP server.
Touch Panels and other peripheral devices register (bind) to the Central Controller so they need a
constant unique reference to the Central Controller.
This can be an IP address, either static or issued from a DHCP reservation. If DHCP without a
reservation is used then an alternative ID is used, DNS name, MAC address, or system number.
If MAC address or System Number is used then the Central Controller is required to send out a
Netlinx Discovery Protocol (NDP) Broadcast to let the peripherals know the IP address of the
Central Controller.
o MAC address and system number binding require the peripherals to be on the same
subnet as the Central Controller.
If DNS Binding is used then the DHCP server must support Option 81 DHCP host name update, or
static address assignments must be configured.
Touch Panels and other peripheral do not require a static IP address and can be configured with DHCP.
If advanced features of the touch panel are used such as VNC for virtual Touch Panel interfaces
then there may be an advantage to using a Static IP address or DNS records.
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