Cisco ASR 1004 Hardware Installation Guide

Step 7
Turn on the branch source breaker.
Step 8
Place the power supply standby switch to the On (|) position. The power supply LEDs light when power is supplied to
the router.
Removing and Replacing a +24 VDC Power Supply in Cisco ASR 1002 Router
This section provides information about removing and replacing a +24 VDC power supply in the Cisco ASR
1002 Router.
Before you begin, read the following notices:
•
The labeling displays +27 VDC INPUT. This labeling describes the nominal voltage provided at a cell
site.
• Observe the polarity location—Unlike the polarity labels of the –48 VDC power supply (ground, positive,
negative), the polarity labels on the +24 VDC are ground, negative, positive as shown in xref fig from
right to left as they appear on the actual power supply unit.
•
The ground (GND) lead is always installed first and removed last.
•
The +24 VDC power supply uses a spring loaded terminal block; therefore have the recommended
screwdriver size available.
•
Review the diagrams to see how the wire is stripped and how the screwdriver is inserted at an angle into
the terminal block.
•
Have the following equipment available to install and remove the +24 VDC power supply:
◦
Phoenix Contact 3.5mm flat-blade screwdriver or equivalent
◦
Wire-stripping tool for stripping 8-gauge wire
When you install the unit, the ground connection must always be made first and disconnected last. Statement
1046
Warning
Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Statement 1003
Warning
Only trained and qualified personnel should be allowed to install, replace, or service this equipment.
Statement 1030
Warning
Installation of the equipment must comply with local and national electrical codes. Statement 1074Warning
Cisco ASR 1000 Series Router Hardware Installation Guide
576
Removing and Replacing FRUs from the Cisco ASR 1000 Series Routers
Removing and Replacing a +24 VDC Power Supply in Cisco ASR 1002 Router

Cisco ASR 1004 Specifications

General

Brand	Cisco
Model	ASR 1004
Category	Network Router
Language	English