Power Connections
Figure 6
Va voltage = Vb voltage (within 0.25 V)
+
+
In
Figure
configuration.
Caution
Do not use the DC input configuration shown in
Figure 7
Cable Connection Procedures for Cisco 2800 Series Routers
8
Connecting Source A and Source B with Common Positive Terminals
A-
Va
A+
B+
Vb
B-
7, source A and source B are wired with opposite polarity grounds. Do not use this
Source A and Source B Wired with Opposite-Polarity Grounds
A-
A-
Va
Va
+
+
A+
A+
B+
B+
+
+
Vb
Vb
B-
B-
Va voltage = Vb voltage (greater than 0.25 V)
Va
Va
+
+
+
+
Vb
Vb
Figure
7.
A-
A-
A+
A+
B+
B+
B-
B-
OL-5787-02