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2. BitStorm 1900 Installation and Testing
2-50
Step
Procedure
3.)
With the power supply turned OFF, connect the -48 V DC (260W)
or 110 V AC (260W) power source according to the following table
and Figure 2-8, "Typical DC Power Harness Connection to -48 V
DC (260W) Power Source," on page 51.
!
WARNING: POSSIBLE EQUIPMENT DAMAGE! With the
Power
Power Source
Lead
Red
-48 V DC supply
Black
-48 V DC return
N/A
110 V AC supply
BitStorm 1900 Installation and Maintenance Guide
-48 V DC power supply, reversed polarities
on the power feed can irreparably damage
the BitStorm 1900 shelf components. Be
certain that power feeds are connected
properly to the power source, with the red
lead connected to the -48 V DC supply
(negative terminal) as shown in the table
below. Note that this is the opposite of other
(non-telecommunications) applications, in
which the red lead is usually connected to
the positive (+) terminal.
Terminal Connection
Negative (-)
Positive (+)
IEC
(continued)
Line Fuse
10 AMP, 260W
6 AMP, 260W
1900-A2-GN20-00
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