RRM02 - Product Manual
Issue: 02 complete, approved
Page 31 of 68
4.4
Connection to Other PA Systems
Figure 21
shows an example of a connection to other manufacturer’s PA system.
Refer to Section “
3.2.2.2 Cabling for Relay PTT and Audio Connection to an ASL or Other PA System
”
(page
9
) for recommended cabling.
Figure 21
Connection to Other PA Systems (Example)
TO OTHER PA SYSTEM:
RRM02 ENCLOSURE
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
AUDIO INPUT-
+V SUPPLY (18 - 40 V)
0V SUPPLY
AUDIO INPUY+
PTT ACTIVE
PTT ACTIVE RELAY:
COM
NO
L
FROM/TO OTHER PA SYSTEM:
PTT ACTIVE
CABLE SCREEN TAILS TO BE
CONNECTED TO SYSTEM
GROUND AND TO BE < 3 cm.
!
!
7
RELAY
COM-NO CONTACT PAIRS FOR USER CONNECTION:
11-14 OR 21-24
NO/NORMALLY OPEN, CLOSING FOR RADIO
BROADCAST PTT SIGNAL
y
y