DMP 128 Plus • Configuration Tools 95
Connecting a DMP 128 Plus AT Device and an EXP-enabled non-AT
Device
1. Connect Live to the DMP 128 Plus AT.
2. Select Tools > Expansion Bus > Use Extron Expansion Bus for channels 33-48
(see figure 161,
1
). AT channels 33 through 48 now display as
Expansion Inputs 1 through 8 and Expansion Inputs 9 through 16 in the main
workspace (
2
).
NOTE: Dante channels 33 through 48 still appear in Dante controller, but are
inactive when being used for Expansion Inputs 1 through 16.
Figure 161. Enabling Expansion Inputs on DMP 128 Plus AT
3. Connect Live to the DMP 128 Plus non-AT. If connecting a DTPCrossPoint, proceed to
step 5.
4. Select Tools > Expansion Bus and ensure Secondary Unit is selected.
NOTES:
• DMP 128 Plus AT models cannot be configured as secondary units. This means
the DMP 128 Plus non-AT must be configured as a secondary unit.
• If both devices are configured as primary, an EXP connection cannot be
established.
5. Use a CAT 6 cable (such as the 1 foot cable included with the DMP 128 Plus) to
connect the two rear panel EXP ports.
6. When the connection is established, the front panel EXP LED on the primary unit lights
steadily and the EXP LED on the secondary unit blinks rapidly.
NOTE: The DTP CrossPoint EXP LED is located on the rear panel next to the EXP
port.
7. Open the Tools menu from the DMP 128 Plus main workspace and view the
Expansion Bus status software LED (see figure 162,
3
). The LED lights green when
there is a valid connection.
Figure 162. Expansion Bus Software LED
figure 161. Enabling EXP
figure 162. EXP Status LED
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