User's Manual

Table Of Contents
Procedure
Step 1
Verify that the door seal is clean and that all cables are tucked back into the chassis.
Step 2
To close the door, use the socket wrench to evenly tighten all six bolts in the order as shown in the section
Opening the Router Door, on page 47.
Step 3
Evenly tighten the bolts again, this time using 6 to 7 foot-pounds of torque.
Power Connection Compliance
Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Statement 1003
Warning
Use copper conductors only. Statement 1025Warning
The installation must comply with the 2002 National Electric Code (NEC) and other applicable codes.Note
Connecting the DC Power Cable to the Router
When powering the router with DC power, you must ensure that DC power can be conveniently removed
from the unit. The power should not be removed by disconnecting the DC power connector on the unit.
A readily accessible two-poled disconnect device must be incorporated in the fixed wiring. Statement
1022
Warning
Connect the unit only to DC power source that complies with the safety extra-low voltage (SELV)
requirements in IEC 60950 based safety standards. Statement 1033
Warning
Before You Begin
To connect a DC power cable, you need to supply these tools and material:
Shielded outdoor-rated DC power cable (minimum 18 AWG) with outside cable diameter of 0.20 to
0.35 inch (0.51 to 0.89 cm).
Adjustable or open-end wrench
Small flat screw driver
Four-pin DC power connector (Cisco supplied)
Cisco ASR 901S Series Aggregation Services Router Hardware Installation Guide
50 OL-29732-01
Installing the Router
Power Connection Compliance
REVIEW DRAFT - CISCO CONFIDENTIAL