Cloud Electronics 46-120TMedia - Manual (Page 25)

46-120 Installation and User Guide V1.2 25
Remote control via Ethernet
The card includes a web server which will generate GUI pages
on a browser logged in to the CDI-46’s IP address. Access
is password-protected. Even though the CDI-46 has DHCP
functionality, we recommend that it should be set with a static
IP address (i.e., DHCP disabled) or uses a reserved address
on your routing hardware. It will then have a fixed IP address
on the network for other devices to browse to.
Ensure that a
suitable IP address is reserved on the network to which you
intend to connect the device. If the CDI-46 changes IP address,
client security settings will not be preserved. (Installers may
need to consult the IT Manager of the installation premises
for guidance.)
As well as the browser control from the GUI, serial commands
may be sent to the 46-120 via the CDI-46 card in TCP/IP
format through the Ethernet port. This allows external
Ethernet-equipped control systems to be interfaced to the
46-120 using standard IT industry infrastructures.
The same serial protocol used with the RS-232 port is valid
for the Ethernet port.
Ethernet-to-Serial bridge
The CDI-46 card can be configured to accept incoming ASCII
commands via the Ethernet port and re-transmit these as
serial data from the RS-232 port. These commands can be
used to provide serial control of external devices.
Auto Power Down
The 46-120 can be made more energy-efficient by enabling
its Auto Power-Down feature. This monitors the signal level
in each zone, and after an installer-determined idle time, will
put the power amplifier stage into a standby state, minimising
power consumption. If a signal is detected while the channel is
in standby, the amplifier stage is re-powered and operational
within 40 ms.
Selection of idle time is by setting the internal PCB jumpers
J18A, J18B and J18C. The time is definable in 15 minute
increments from zero (i.e., Auto Power Down is disabled) to
105 minutes.
The three jumpers use binary weighting to set the idle time;
J18A is the MSB, J18C the LSB. The table below summarises
the required settings for each idle time value.
Idle time J18A J18B J18C
No APD (Disabled) OFF OFF OFF
15 mins OFF OFF ON
30 mins OFF ON OFF
45 mins OFF ON ON
60 mins ON OFF OFF
75 mins ON OFF ON
90 mins ON ON OFF
105 mins ON ON ON
See page 30 for details of jumper locations.