Accessing The Router In Freezing Temperature; Powering On The Router - Cisco ASR 901S Series Installation Manual

Installing the Router

Accessing the Router in Freezing Temperature

The IP65-compliant ASR 901S Aggregation Service Router is designed to function in freezing temperatures.
Before you service a router that is covered in ice, go through the
Materials Required
• Non-metallic ice scraper
• Small broom brush or squeegee
Procedure
Step 1
Use the non-metallic ice scraper to gently scrape the ice off the router. Use the edge of the ice scraper to
remove the ice from the bolt holes.
Note
Step 2 Use the small broom brush or the squeegee to clear the loose ice from the router.
Step 3 Ensure that the router is completely free of ice before opening it. To open the router, see
Cover, on page
Note

Powering on the Router

Warning Do not touch the power supply when the power cord is connected. For systems with a power switch, line
voltages are present within the power supply even when the power switch is off and the power cord is
connected. For systems without a power switch, line voltages are present within the power supply when
the power cord is connected. Statement 4
This equipment is intended to be grounded. Ensure that the host is connected to earth ground during normal
Warning
use. Statement 39
Checklist for Power on
• Securely mount the router.
• Properly connect the power, network, and interface cables.
Interpreting Bottom-Panel LEDs
The Cisco ASR 901S Aggregation Services Router provides three LEDs on the bottom panel to monitor
conditions and to aid in troubleshooting problems. For a description of the LEDs, see
page
OL-29732-01
Take necessary precautions to ensure that the router is not damaged when clearing the
ice.
48.
Ensure that no water or ice seeps into the chassis when the router is opened.
78.
Cisco ASR 901S Series Aggregation Services Router Hardware Installation Guide

Accessing the Router in Freezing Temperature

Safety Guidelines, on page
Opening the Router
Reading LEDs , on
15.
69