1-14
The CF card is hot-swappable. When the device is reading from or writing to the CF card or performing
any other file system related operation, the CF card LED blinks. Do not unplug the CF card in this state
because doing so can corrupt the file system in it.
AC Power Input
Table 1-14 lists the AC power specifications for the U200 series.
Table 1-14
AC power specifications
Description
Item
U200-A
U200-M
U200-S
Rated voltage range
100 VAC to 240 VAC; 50 Hz or 60 Hz
Maximum input current
1.6 A
0.6 A
Maximum power
100 W
54 W
Clock
The U200 series are designed with a clock module for providing system time. You can set the system
time at the command line interface.
The clock module can work despite power failure to ensure that the system time is correct at reboot.
With the device powered off, the clock module can work for at least 10 years.
Note that:
z
Never replace the clock module battery when power is present on the device.
z
The system time gets lost once the clock module battery is removed. You can set it at the
command line interface.
You can use three commands including
clock datetime
,
ock summer-time one-off
(or
clock
summer-time repeating
), and
clock timezone
to complete setting the system time. See the
accompanying documentation for how to do that.
Port Lightning Arrester (Optional)
Before connecting an outdoor Ethernet cable to an Ethernet port, install a port lightning arrester to
protect the device against lightning strikes.
The port lightning arresters available for the U200 series feature these:
Содержание SECPATH U200-CS
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