GE EX2100 - Manual (Page 54)

3-10 •••• Chapter 3 Printed Wiring Boards Overview GEH-6632 EX2100 User’s Guide
J1_M1 J1_M2 J1_C
FAN
EXTB
EETB
EDEX
ECTB
M1
J602
CONTROL
MEDIA
CONV
J21M1
J16
M1
J17
M1
EDEX EDCF
J19
M1
EGDM
J18
M1
EDEX
CROW
BAR
J20
M1
J15M1
J14M1
J13M1
J12M1
P1
01
P
201
P
105
P
205
FAN
EXTB
EETB
EDEX
ECTB
M2
J602
CONTROL
MEDIA
CONV
J21M2
J16
M2
J17
M2
EDEX EDCF
J19
M2
EGDM
J18
M2
EDEX
CROW
BAR
J20
M2
J15M2
J14M2
J13M2
J12M2
P
107
P2
07
FAN
EXTB
EETB
EDEX
ECTB
C
J602
CONTROL
MEDIA
CONV
J21C
J16
C
J17
C
EDEXEDCF
J19
C
EGDM
J18
C
EDEX
CROW
BAR
J20
C
J15C
J14C
J13C
J12C
P
111
P
211
P1
13
P
213
P1
17
P2
17
BARCODE
J2C
GROUND
DETECT
IS200EPBPG1
EPSM EPSM EPSM EGDM EGDM EGDM Blank plate
Figure 3-2. Exciter Power Backplane
DACA – Ac to Dc Converter
The DACA is an ac to dc converter that is powered by a 115 V ac source and
produces 125 V dc. The DACA and battery source provide a redundant 125 V dc
supply for the EPDM. Two DACAs can be connected to the EPDM if required for
greater power supply reliability.