Using The Expansion Bus - Extron electronics DMP 128 User Manual
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Also See for DMP 128:
- User manual (205 pages) ,
- Setup manual (4 pages) ,
- Setup manual (4 pages)
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4.
Connect the EXP port of one unit to the EXP port of a second unit
MIC/LINE INPUTS
100-240 ~ 0.6A
using the included shielded (or similar) CAT 6 cable.
MIC
+48V
1
2
3
4
notE: The front panel EXP LED indicates device to device
5
6
7
8
50/60 HZ
connection and configuration status as follows:
•
MIC/LINE INPUTS
100-240 ~ 0.6A
MIC
+48V
1
2
3
4
5
6
7
8
50/60 HZ
•
using the Expansion Bus
After configuration and connection, the two units have 16x16 channels of bi-directional
audio communication.
•
The expansion bus from the primary unit (see figure 49, a ) sends audio to Expansion
inputs 1–16 of the secondary unit (see figure 49, b ).
•
At the same time, the expansion bus from the secondary unit sends audio to
Expansion inputs 1–16 of the primary unit.
Figure 49.
DMP 128 C AT
1
2
3
4
9
10
5
6
7
8
11
12
(non-AT models)
DMP 128 C
1
2
3
4
9
10
•
Off — The unit is not connected to a second
DMP 128.
5
6
7
8
11
12
•
On — The unit is connected to another DMP 128 and
configured as the primary unit.
•
Blinking — The unit is connected to another
DMP 128 and is currently configured as the secondary
unit.
(AT models)
•
Off — Dante device is not responding.
•
On — The EXP port is connected to a non-AT
DMP 128 and configured as the primary unit.
•
Blinking — The EXP port is not connected.
1A
EXP Bus Connections
DIGITAL I/O
1
2
3
4
O
U
1 2 3 4
5
6 7 8 9 10
T
P
U
11 12 13 14 15
16 17 18 19 20
5
6
7
8
RS-232
T
S
Tx Rx
DIGITAL I/O
1
2
3
4
O
U
1 2 3 4
5
6 7 8 9 10
T
P
U
11 12 13 14 15
16 17 18 19 20
5
6
7
8
RS-232
T
S
Tx Rx
EXP Bus Connection
Primary (1) to Secondary (2)
1
1B
0
1
2A
2B
2
3
4
5
6
DMP 128 • Software Control
1
2
3
4
EXP
LAN
RESET
EXP
LAN
RESET
2
80
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