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Installation ~ Networking Units
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Device IDs
Once your expansion bus connections are made (and if you have more than one
XAP 800 at a site), you need to set up a unique expansion bus device ID number—a
network address—for each XAP 800 on the network. As shipped from the factory, all
XAP 800s are set to device ID 0.
To assign device IDs
1.
Press the front-panel
Enter
button, then scroll through the menu until the
System
menu is visible.
2. Press
Enter
, then scroll through the menu until
Device ID
is visible.
3. Press
Enter
, then scroll through the eight (0–7) options.When the desired
device ID is visible, press
Enter
to select it. (You can also set the device ID in
the Unit Properties window of G-Ware software see page 25.)
4. Repeat this process for each XAP 800 on the expansion bus network.
Mixer mode
There are two mixer mode settings: slave (default) and master. A master unit is not
required in a networked system and in most installations, all units will be slaves.
Master units ignore audio from upstream units.This prevents audio from being
received from units above the master unit in the network. However, global control of
the system is still maintained by whichever XAP 400/800 or PSR1212 unit is
connected to a control device through its RS-232 or RS-485 ports. Control is not
affected by master/slave designations.
In Figure 2.5, the third unit in the network is a master. It prevents the audio
from the first and second units from being passed down the network chain.
Likewise the second master unit in the network will not pass on the audio from the
unit before it.The third unit provides system-wide control through a connection to
its RS-232 port.
To select a mixer mode
1. Press the front panel Enter button and scroll through the menu until System
menu is visible. Press Enter to select the menu.
2. Scroll through the System menu and select Mixer Mode.
3. Select the mixer setting you want to use.
Repeat for additional units.
If the same device ID is
assigned to more than one
unit on the E-bus network,
the Meter LED “+12” will flash
red, the Mic LEDs “1,” “2,” “4,”
and “8” will flash green on the
affected units. To correct the
problem, change the device ID on
one of the conflicting units.
✍✍
Figure 2.5.E-bus network with master units
You can also use G-Ware
to select a mixer mode.
See page 25.
✍✍