GE T1 Multiplexer - Figure 4: B86431-4 X Power Unit Block Diagram

342-86400-431PS
Issue 2.1
March 2013
Page 13
Copyright

GE Multilin Inc. 2001-2013
BLOCK DIAGRAM
POWER UNIT
B86431-4X
B86431-4X
POWER UNIT
NOTE: REFER TO EAS-86431-4X FOR COMPLETE SCHEMATIC.
GLARY
CONVERTER
U2
4 8
3 1
ALARM
RELAY
U7
J1
A12, C12
TO SHELF
POWER BUS
+ 5V GND
L1
A1-4 C1-4
C9 C10
+ –
P/O 86431-90 P/B
J1
GE Multilin
NO C
2
A13, C13
TB2
2 1
TB1
2 1
P/O 86431-90 P/B
MONITOR
POINT
P3
2 1
A13A12
F1
LOW
VOLTAGE
DETECTION
CIRCUITRY
OVER-
VOLTAGE
PROTECTION
CIRCUITRY
TO STATION BATTERYTO POWER ALARM
CIRCUIT
STATUS
Figure 4: B86431-4X Power Unit Block Diagram