Cisco 2811 ROUTER 2FE 1NME 4HWIC 2PVDM 2AIM IP BASE WITH A/C POWER SUPPLY Guida Specifiche
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8
Cable Connection Procedures for Cisco 2800 Series Routers
OL-5787-02
Power Connections
Figure 6
Connecting Source A and Source B with Common Positive Terminals
In
, source A and source B are wired with opposite polarity grounds. Do not use this
configuration.
Caution
Do not use the DC input configuration shown in
Figure 7
Source A and Source B Wired with Opposite-Polarity Grounds
A-
A+
B+
B-
Va
Vb
+
+
127040
A-
A+
B+
B-
Va
Vb
+
+
A-
Va voltage = Vb voltage (within 0.25 V)
Va voltage = Vb voltage (greater than 0.25 V)
A+
B+
B-
Va
Vb
+
+
A-
127041
A+
B+
B-
Va
Vb
+
+
A-
A+
B+
B-
Va
Vb
+
+