600-SERIES HARDWARE MANUAL
Appendix M - 635-600 Series Boards
M
– Appendix: 635 & 600 Series Boards
M.1
635 CPU Board – Central Process Unit
Component List
[SW 1] Power Reset Switch -
power reset /warmstart (press and hold full 10 seconds to coldstart)
[J4] DB9 Serial Port:
used for programming the board via
HyperTerminal
session
[J5] Ethernet Jack:
for TCP/IP
100Mb
/Full Duplex
[J6] Power Connector:
CPU power,
CPU Board draws 0.05 amps
Pin 1 = +12VDC
Pin 2 = GND( ground)
[J7] Sense Connector: Tamper, A/C Fail, Low Battery
Pin 1 = GND (ground)
Pin 2 = AC Fail
Pin 3 = Tamper
Pin 4 = Low Battery
[D1] Receive LED:
indicates data being received
[D3] Transmit LED:
indicates data being received
[D5] POWER LED:
indicates that 3.3VDC of power is present for CPU memory
[B1] 3v Lithium battery:
provides temporary power for the CPU’s RAM
NOTE:
The 635 CPU can be Flash loaded from the
EZ80 Flash tab
in the GCS Loader screen as needed.
APPENDIX-Page
M-1