RRM02 - Product Manual
Issue: 02 complete, approved
Page 23 of 68
4.3.1.2
Serial Data and Audio Connection to an Intellevac DAU or ACU’s Microphone Input
Figure 16
shows an example of connection to an Intellevac DAU (Distributed Amplifier Unit) or ACU (Audio
Control Unit).
Refer to Section “
3.2.2.1 Cabling for Serial Data and Audio Connection to an ASL VAR Router, DAU, or ACU
Microphone Input
” (page
9
) for recommended cabling.
Figure 16
Connection to the Intellevac ACU or DAU (Example)
8x8 DAU/ACU ENCLOSURE
RRM02 ENCLOSURE
MI
C D
X
P
(1
)
SUPP
LY
+
SUPP
LY
0
V
MI
C D
X
N
IN
+
IN
-
ACU/DAU INPUT 1-8
(2
)
(3
)
(4
)
(1) INPUT 1-2: PTT-
INPUT 3-8: POWER NON-BACKED
(2) INPUT 1-2: PTT+
INPUT 3-8: NOT AVAILABLE
(3) INPUT 1-2: ALL-CALL-ONLY
INPUT 3-8: NOT AVAILABLE
(4) INPUT 1-2: SPEAK-NOW-LED
INPUT 3-8: NOT AVAILABLE
SHIELD
AUDIO+
AUDIO-
0V
+V
DXP
DXN
6
5
4
3
2
1
SHIELD
(No user
connection)
6
5
4
3
2
1
CABLE SCREEN TAILS TO BE < 3 cm.
!
!
CABLE ENDS TO BE FITTED WITH
SUITABLE BOOTLACE FERRULES.
L
CABLE SCREEN TAILS TO BE < 3 cm.
!
!
CABLE ENDS TO BE FITTED WITH
SUITABLE BOOTLACE FERRULES.
L
7
RELAY