Front Panel Features - Extron electronics DMP 128 Plus User Manual

Front Panel Features

CONFIG
A B
Figure 9. DMP 128 Plus Front Panel
Power LED — Blinks during boot up and lights steadily when the DMP 128 Plus is operational.
A
USB Config port — One USB type mini-B port is used for configuration. This port can also be used for
B
firmware updates.
100-240V 0.7A MAX
1
IN G
EXP Activity indicator LEDs — These green activity LEDs behave differently depending on the model of
C
1
DMP 128 Plus:
50 - 60 Hz
• Non-AT Models
•
Off — The unit is not connected to a second EXP device.
A
• On — The unit is connected to a second EXP device and is configured as the primary unit.
•
Blinking — The unit is connected to a second EXP device and is configured as the secondary unit.
• AT Models
•
On — The unit is connected to a second EXP non-AT device and is configured as the primary unit.
• Blinking — The unit is not connected to a second device.
LAN Activity Indicator LED — Blinks to indicate rear panel LAN port activity.
D
USB Activity Indicator LED — Blinks to indicate audio streaming over USB.
E
Input indicator LEDs — Stacked green and red LEDs display input signal presence and input signal clipping.
F
The green signal presence LED varies in brightness, corresponding to the real-time input signal level. It lights
at -60 dBFS and increases in brightness until signal level reaches -3 dBFS. When the signal reaches or
exceeds -3 dBFS, the red clip LED lights. The clip LED remains lit for 200 ms after removing the clip
condition.
Output indicator LEDs — Stacked red and green LEDs display output signal presence and output signal
G
clipping.
Output indicator LEDs function identically to the input indicator LEDs (
ACTIVITY
CLIP
EXP LAN USB
SIGNAL
C D E
2 3 4 5 6
O1 O2 IN G O1 O2 IN G O1 O2 IN G O1 O2 IN G O1 O2 IN G O1 O2 IN
2 3 4 5 6
B C
INPUTS
1 2 3 4 5 6 7 8 9 10 11 12
CLIP
SIGNAL
F
9 10 1 2
7 8
G O1 O2 IN G O1 O2
11 12 5 6
7 8
OUTPUTS
1 2 3 4 5 6 7 8
G
3 4
DMP 128 Plus C
7 8
RS-232
+V +S -S G Tx Rx G
D E F G
).
F
DMP 128 Plus • Installation
DMP 128 Plus
DIGITAL MATRIX PROCESSOR
USB AUDIO
RESET
LAN
H I J
8