Cisco Model 6109 6 MHz Off-Air Reference (NTSC) Guide De Montage
Chapter 2 Hardware Installation
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4039132 Rev B
Before You Begin
Introduction
You must take certain precautions when installing your USRM. Before beginning
your installation, be sure to read the Important Safety Instructions at the beginning
of this document. Pay particular attention to the Rack Mounting Safety Precautions
section.
your installation, be sure to read the Important Safety Instructions at the beginning
of this document. Pay particular attention to the Rack Mounting Safety Precautions
section.
You must also make certain preparations before installing your USRM. These items
are outlined in the following Site Requirements section.
are outlined in the following Site Requirements section.
Site Requirements
Your site must meet the following requirements before you can proceed with the
installation:
installation:
The USRM must be installed in a standard four-post rack. See Rack
Requirements in the next section.
Requirements in the next section.
Approved power sources: 90 V AC to 120 V AC (continuous).
Racking and environment temperature: Temperature inside rack must be
maintained between 0°C and +50°C (32°F and 122°F).
maintained between 0°C and +50°C (32°F and 122°F).