Technical data

Installing and Operating BayStack ARN/DC Routers
3-10
116273-B Rev 00
Powering On and Off
Before you can operate the ARN/DC, its DC power terminals must be connected
to the power source by a qualifed service professional. When you turn the power
switch on, both DC input and power supply output are active. For instructions on
correctly connecting the power source leads, see “Connecting to the DC Power
Source” on page 1-27.
Powering On the ARN/DC
To turn on the ARN/DC, move the power switch to the ON position (1) by pushing
the toggle switch up (Figure 3-2)
.
Figure 3-2. Turning On ARN/DC Power
Verify that air is flowing by placing your hand next to the fan vents. If you cannot
feel air flowing from the vents, and either the Pwr and Fail LEDs do not light or
the Fail LED remains on, turn the power switch to the OFF position. Wait one
minute and then turn the power switch to the ON position.
If the ARN/DC does not turn on, check the polarity of the connections to the
power source. See “Connecting to the DC Power Source” on page 1-27 for
information on correctly connecting the power source leads. If the polarity is
correct and the ARN/DC does not turn on, contact the Bay Networks Technical
Solutions Center.
ARN0081B
Console Modem
Redundant Power
+
_
l 0
Power switch ON (1)
To DC power source
I
0