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
Figure 7
, 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
.
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
+
+
Содержание 2801 - Integrated Services Router
Страница 8: ...8 Cisco 2800 Series Hardware Documents Introduction and Warnings OL 5808 01 Safety Warnings ...
Страница 102: ...14 Cable Connection Procedures for Cisco 2800 Series Routers OL 5787 02 Connecting to a Console Terminal or Modem ...
Страница 200: ...60 Installing and Upgrading Internal Modules in Cisco 2800 Series Routers OL 5792 04 Installing the Chassis Cover ...