Oracle Vacuum Cleaner CPU-56T User Manual

Table 29:

 LED Control Register 3

Bit

Name

Description

Default

Access

4..0

LED_DISPLAY

VME activity
00000

2

:

Red: Universe II asserted VME SYSFAIL signal
to the VMEbus.
Green: Universe II accesses the VMEbus as
master
OFF: No VME SYSFAIL asserted and no
activity of Universe

a

00000

2

r/w

aa

aa

User LED mode
00100

2

: OFF

00001

2

: Green

00010

2

: Red

aa

aa

aa

Ethernet activity
11000

2

: Ethernet 1

a

11001

2

: Ethernet 2

a

11010

2

: Ethernet 3

a

11011

2

: Ethernet 4

a

11100

2

: Ethernet 1/3

a

11101

2

: Ethernet 2/4

11111

2

: Ethernet 1/2/3/4

aa

aa

aa

At all other values, the LED is OFF.

a

aa

7..5

Reserved

These bits are always zero.

a

r

This register is used to switch between the different operation modes of LED 4.