ACR8010 Hardware Manual
P/N PM08121
10
ACR8010 MOTHERBOARD SWITCHES
Serial Communication Card Selection Switch (SW1A)
Serial communications via the COM1 and COM2 communication ports on the ACR8010
Motherboard are performed with multiple cards using different ACR8010 card numbers.
The following table shows how the switch positions relate to the ACR8010 card number.
Note that Switch 4 should be left in the “OFF” position, unless using the Flash Bypass
Mode of operation. Flash Bypass Mode is selected when the user does not want to load
the program information from flash at power-up or reset. Serial communications via the
COM1 and COM2 communication ports on the ACRCOMM module will recognize the
card as Card Number 15. However, the card should be placed back to a valid card
number during normal operation.
Refer to Figure 1 for switch location.
Card SW1
Settings
Number 4 3 2 1
Function
0
OFF
OFF
OFF
OFF
Serial Communications
1 OFF
OFF
OFF
ON
Serial
Communications
2 OFF
OFF
ON
OFF
Serial
Communications
3 OFF
OFF
ON
ON
Serial
Communications
4 OFF
ON
OFF
OFF
Serial
Communications
5 OFF
ON
OFF
ON
Serial
Communications
6 OFF
ON
ON
OFF
Serial
Communications
7 OFF
ON
ON
ON
Serial
Communications
8-14 RESERVED
15
ON
ON
ON
ON
Flash Bypass Mode
Table 2.1
ACR8010 Serial Communication Card Number Select
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