19
Cable and Jumper Connections for Main Board, Core Board and Adder Modules
positive and negative terminals marked DET OUT and the circuit return wires are brought back
to the converter module to positive and negative terminals marked DET RET.
5.3
MR-2300-NC2 Output Class-A Converter Adder Module
Figure 5
MR-2300-NC2 Output Class-A Converter Adder Module
Indicating circuits must be wired from the MR-2300-NC2 to the main Fire Alarm board. For
example indicating circuit 1 positive (red wire) and negative (black wire) is wired from the
Class A converter module to the positive and negative terminals of Indicating circuit 1 on the
Main Fire Alarm board.
The actual indicating zone is wired from the SIGNAL OUT positive and negative to the
signaling devices and then wired back to the SIGNAL RET positive and negative.
Relay Adder Module
Cable from P1 of the MR-2306-R6 is connected to P4 on the Main Fire Alarm Board. The
jumpers located above each relay on the MR-2306-R6 are used to configure the relays. The
jumpers located below the relays are used to select either normally open contacts or normally
closed contacts.
Figure 6
MR-2306-R6 six relay adder module
P1
: Cable from MR-2306-R6 Relay Adder Module connects to P4 on Main Fire Alarm Board.
- S
IG
1
O
UT
+
- S
IG
2
O
U
T+
- S
IG
1
R
ET
+
- S
IG
2
R
ET
+
BL
K
RE
D
BL
K
RE
D
mounting hole for
#6-32 screws
OCAC-302
mounting hole for
#6-32 screws
MR-2300-NC2
NO/NC C
RELAY 1
NO/NC C
RELAY 2
NO/NC C
RELAY 3
NO/NC C
RELAY 4
C
RELAY 5
NO/NC C
RELAY 6
NO/NC
mounting hole
for #6-32 screws
mounting hole
for #6-32 screws
INDIVIDUAL GREEN
RELAY STATUS LEDs
Connect to P6 on the
main fire alarm board
6
Summary of Contents for MR-2320 Series
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