Table of Contents
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Chapter 1
Product Overview
DC Power Supplies
Figure 1-5
DC Power Cables—2800 W DC PDU
– 48/60V RTN
(+)
– 48/60V (–)
– 48/60V (–)
Feed A2
– 48/60V RTN
Feed A1
OL-17441-01
A DC powered router consists of two DC PDUs and DC PEMs. DC power to the
router is provided from cables from a DC power source that are connected to
threaded DC-input terminal studs on the chassis rear panel as shown in
+
–
–
+
-48/-60V
-40A MAX (2x)
(+)
Each DC PEM operates from a nominal source DC voltage of –48 to –60 VDC
and requires a dedicated 60-amp service.
Cisco XR 12410 and Cisco XR 12810 Router Installation Guide
Physical and Functional Description of Router
+
–
–
+
-48/-60V
-40A MAX (2x)
Figure
1-5.
Ground
1-7
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Table of Contents
Troubleshooting
