Appendix D: Dcm3 Assembly (M15724A001) - GILBARCO VEEDER-ROOT FlexPay IV CRIND Installation Instructions Manual

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SECTION 6 - APPENDICES

Appendix D: DCM3 Assembly (M15724A001)

The DCM3 is used when high-speed communication is required across the forecourt. The DCM3 is only used
with the BRCM2. Connect all the applicable cables to the DCM3 assembly as shown in
Figure 4: DCM3 Connections
J15 - 24 VDC
Power In
6
J16 - 24 VDC
Power Out
(Optional)
J21 - OLC in/
Two-Wire Out
LEDs
Reference Designator
D1
D9
D8
D6
D7
Color Function
Green 1.2 V Power Good
3.3 V Power Good
24 V Power Good
Yellow High Speed ACT
Green High Speed Link
Behavior
ON: 1.2 VDC ON
OFF: 1.2 VDC fault or board
not powered
ON: 3.3 VDC ON
OFF: 3.3 VDC fault or board
not powered
ON: 24 VDC ON
OFF: 24 VDC fault or board not
powered
ON: Link present
Blink: TX/RX data
OFF: No link present
ON: Successful connection to
BRCM2
OFF: No link to BRCM2
Figure 4.
J17 - Ethernet
to Omnia PCB
MDE-5361A