AMX Wireless Touch Panels (Wave Server) Instrukcja Użytkownika Pobierz pdf (Strona 17)

AMX AV/IT Administrators Guide

Rev. 1.0 (7/29/2014) www.amx.com Page 14

Touch Panels have the following binding options:

Binding

Type

Unique Identification

Central Controller

Address distribution

Notes

URL

Central Controller IP

Address

Static or DHCP/DNS

For use on Mixed AMX and Data

Networks

DHCP must use DNS

Listen

Touch Panel IP

Address (entered in

Central Controller URL

List)

Static or DHCP/DNS

For use on Mixed AMX and Data

Networks

DHCP must use DNS

Auto

System Number

DHCP or Static

Must be on same Subnet

System Numbers must be unique to

Central Controller

NDP Broadcast must be enabled on

Central Controller

Discovery of devices by the Central Controller is the responsibility of the device itself—it must report

itself to the Central Controller. The Central Controller does not “poll” for new devices. The process of

“reporting” simply involves sending a Device Info message to the Central Controller. Once the Device

Info message is received by the Central Controller an ACK message is generated back to the sending

device for confirmation.

If the “reporting” device does not receive an ACK from the Central Controller, it will continue to send

Device Info messages to the Central Controller periodically in an attempt to establish a connection. The

periodic rate at which Device Info messages are sent is somewhat medium dependent, however, ICSNet

devices generate Device Info messages at random intervals between one and three seconds.

Communication Protocols and Network Impact

AMX AV control systems generate a variety of messages. Typically the packets are small

NDP Broadcast: If NDP Broadcast is enabled, the Central Controller periodically transmits a

multicast on 239.255.250.251 with source and destination port 1319. This is required for NDP

binding.

ICSP Blink: The NetLinx Central Controller generates a UDP broadcast message, with source

and destination port 1319, every five seconds. The ICSP Blink is used as a Central Controller

beacon in auto device binding. It cannot be disabled. The large quantity of broadcast traffic

incurred with multiple devices is a prime justification for a separate AV VLAN.

ICSP Keep alive: The Central Controller ensures that devices are still on-line by communicating

with them periodically. The periodic rate is five seconds. This communication can take the form

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