May 2001
System Hardware Manual 5 - 167
A6-324000-642-01 – Release 4.0
May 2001
5.5.3 Switch Settings
The following table indicates the switch settings for the
VMS(2/4/8)-U13 ETU.
5.5.4 LED Indications
The front edge of the ETU has 13 LEDs. (Refer to Figure
5-31 VMS( )-U13 ETU.)
LEDs CH1~CH8 indicate port status as follows:
✆ On Port Busy
✆ Off Port idle or not used
The LIVE LED is red if ETU is receiving power.
The MB LED indicates the status of the MB switch.
The BIOS LED is red if a BIOS error has occurred.
The BCLR LED (Bi-colour) indicates application status as
follows:
✆ Red DOS started (VM application not
ready)
✆ Green VM application is running
✆ Orange Error
Note: If BCLR LED is orange, check error type on console
screen. After error is corrected, LED automatically
changes to green. Do Not connect link between console
and ETU until BCLR turns green during booting.
The HD LED flashes red when the hard disk drive is
active.
Note: Do not reset the ETU while the HD LED is flashing.
Table 5-16 VMS(2/4/8)-U13 ETU Switch Settings
Switch Description
1
Normally Off
(On to enable COM1)
2
Normally Off
When 1 and 2 are both On, COM1 is enabled for
HOSTKEY and the VM application is stopped for
Maintenance.
3
Normally Off
COM1 local connection.
4Not Used
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