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16 PCM-3350 User's Manual
Multifunction jumpers (MJ1)
MJ1-A
MJ1-B MJ1-C MJ1-D MJ1-E
2.17 Multifunction Jumpers (MJ1)
MJ1 Assign Pins Function Notes
MJ1-A
1-3 -5 V, -12 V input
Pin1: -5 V
Pin2: GND
Pin3: -12 V
MJ1-B
5-7 Fan connect
Pin5: +5 V
Pin6: GND
Pin7: +12 V
MJ1-C
9-10
System reset
button
open: normal
closed: reset
MJ1-D
12-16 IR connect
Pin12: Vcc
Pin13: NC
Pin14: Receive
Pin15: GND
Pin16: Transmit
MJ1-E
18-20
Watchdog
connect
Pin 18-19: IRQ11
Pin 19-20: reset
2.17.1 Auxilary power connector (MJ1-A)
Supplies secondary power to peripherals that require -5 V and
-12 V.