RRM02 - Product Manual
Issue: 02 complete, approved
Page 20 of 68
4 Connections
4.1
DIN Rail and Relay Terminal Allocation
Table 1
Terminal Allocation
5
(SPRING-CLAMP)
4
(SCREW-IN)
3
(SPRING-CLAMP)
2
(SPRING-CLAMP)
1
(SPRING-CLAMP)
6
(SPRING-CLAMP)
DXP
DXN
SHIELD
AUDIO+
AUDIO-
0V
+V
SHIELD
21
11
24
14
A2
A1
22
12
RELAY
7
(SPRING-CLAMP)
(SPRING-CLAMP)
Relay Terminals
Terminals Description
A1
COIL +
No user connection
A2
COIL –
No user connection
11/ 21
Common (COM)
Contact select output
12/ 22
Normally Closed (NC)
No user connection
14/ 24
Normally Open (NO)
Contact select output
1) The protection diode is pre-fitted.
2) The pair contacts for connection of PTT to other
manufacturer’s PA systems or for connection of
multiple RRM02 units are: 11-14, or 21-24.
NO/Normally Open, closing to the matching
COM/Common terminal for radio broadcast PTT
signal.
DIN Rail Terminals
Signal Description
Internal
Wiring Colour
SHIELD
Connection for cable screen
(bonded to DIN rail)
Black
DXN
Data–
ASL Microphone control data
EIA RS485 19200 baud
Yellow
DXP
Data+
As above
Orange
+V
+V supply (18 V - 40 V)
Green
0V
0 V supply from system
Blue
AUDIO
−
–VE
Balanced Audio Output
Level: 0 dBu (nominal)
Output impedance: 66
Ω
Red
AUDIO+
+VE
As above
Brown
SHIELD
Connection for cable screen
(bonded to DIN rail)
–
Summary of Contents for RRM02
Page 68: ......
