AEQ
NETBOX 32 AD / NETBOX 8 AD / NETBOX DSP
Audio over IP multichannel interfaces
32
When you need to send the same virtual GPO to more than one unit, it should be sent to an IP
address of the authorized range for Multicast (224.0.0.0 a 239.255.255.255), so all the units that
must receive the unit's GPO's should be subscribed to this IP address.
"Virtual GPI to Physical GPO association":
This section allows you to control from another NETBOX unit or other AEQ IP unit as Forum,
Capitol, Phoenix audiocodecs, Systel IP and Audio+, the status of each one of the NETBOX unit
physical GPO's. The parameters of a virtual GPI are the control IP address of the unit the GPI
will be received from and an "Id" number (identifying number from 0 to 255) that must be the
same in transmission and reception units.
The upper image shows an example where our NETBOX 32 unit's IP address is supposed to be
172.31.37.1.
The control of virtual GPI's from 1 to 8 is received from a unit with IP address 172.31.37.2, the
"Id" numbers used in this match-up are the ones from 0 to 7, and the local physical GPO's from
1 to 8 will be activated. The control of virtual GPI's from 9 to 16 (that will activated physical
GPO's from 9 to 16) is received from a unit that sends its virtual GPO's through the Multicast
address 225.0.0.1, and the "Id" numbers used in this match-up are the ones from 0 to 7.
On the other hand, the virtual GPO's from 1 to 8 (corresponding to the status of physical GPI's
with the same numbers) are sent to a unit with IP address 172.31.37.3, and the "Id" numbers
used in this match-up are the ones from 0 to 7. The virtual GPO's from 9 to 16 (corresponding to
the status of physical GPI's with the same numbers) are sent to the Multicast address 225.0.0.2
in order to send it to other units that are subscribed to this IP address, and the "Id" numbers
used in this match-up are the ones from 0 to 7.
In order to configure virtual GPI's or GPO's you must press the associated "Edit" button (the
headline of the corresponding section changes from blue to green), make the desired
configuration and apply the changes by pressing the "Change Config." button: then the unit will
reset. If you want to cancel the changes before pressing "Change Config.", you can do it by
pressing the "Cancel" button.
