3Com 3C16630A User Manual page 62

3-34 C 3: U
HAPTER
Unit Boot State This field indicates in what state the unit will boot up.
Only Hub 10 and FMS II units have a Disable on Boot switch.
The boot state is determined by the setting of the Disable on Boot
switch, which is located behind the blanking plate or rear cover of the
unit (see
All Ports Disabled - The unit boots up with all ports disabled
(including AUI and transceiver module ports). For an existing unit, or
replacement unit of the same type, the management facility then
enables each port whose Port State in the Port Setup screen is
currently set to Enabled.
At power up, there is a period of about 1 second during which the AUI
and transceiver ports are not disabled.
All Ports Enabled - The unit boots up with all ports enabled
(including AUI and transceiver module ports). For an existing unit, or
replacement unit of the same type, the management facility then
disables each port whose Port State (in the Port Setup screen) is
currently set to Disabled.
Active Power Supply This field indicates which power supply is
currently active.
Internal - the built-in power supply is active.
External - The redundant backup power supply is active.
Only Hub 10 and FMS II units support an external, redundant backup
power supply. You must NOT connect both the redundant backup
power supply and mains power to a unit at the same time.
Power Supply Status This field indicates the status of the active power
supply:
OK - The power supply is functioning correctly.
FAULT - Failure of part of the redundant backup power supply has
been detected. Contact your supplier's technical support service.
Transceiver Module This field shows what type of module is fitted, if
any, in the unit's transceiver module slot. Refer to the table in
VT100 M
SING THE ANAGEMENT
Figure 2-1 on page 2-3).
I
NTERFACE
DUA1663-0BAA03