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Cisco 10008 Router Hardware Installation Guide
OL-0659-13
Chapter 2 Preparing for Installation
Site Planning
DC Powered Systems
The DC PEMs for the Cisco 10008 router chassis are not shipped with wiring to connect to the DC
source. Both systems have terminal blocks to attach building’s input, return, and earthing (ground)
wiring. The DC power source must comply with the Safety Extra Low Voltage (SELV) requirements in
IEC 60950 based safety standards.
The electrical ratings of the DC PEMs for both the Cisco 10008 chassis are:
• DC input voltage:
–
Nominal range –48 VDC to –60 VDC
–
Absolute maximum range –40.5 VDC to –75 VDC
• DC input current: 20A @ –48 VDC
• Power consumption: 1300W maximum
Warning
You must incorporate a readily accessible 2-poled disconnect device in the fixed wiring.
Statement 1022
See Appendix A, “Technical Specifications,” for system power specifications, including input voltage
and operating frequency ranges.
Site Cabling Guidelines
This section contains guidelines for wiring and cabling at your site. When preparing your site for
network connections to the Cisco 10008 series router, consider the type of cable required for each line
card, and the cable’s limitations. Consider the distance limitations for signaling, EMI, and connector
compatibility. Possible cable types are fiber, thick or thin coaxial, foil twisted-pair, or unshielded
twisted-pair cabling.
Also consider any additional interface equipment you need, such as transceivers, hubs, switches,
modems, channel service units (CSUs), or data service units (DSUs).
Before you install the Cisco 10008 series router, have all additional external equipment and cables on
hand. For ordering information, contact a customer service representative.
The extent of your network and the distances between network interface connections depend in part on
the following factors:
• Signal type
• Signal speed
• Transmission medium
The distance and rate limits referenced in the following sections are the IEEE-recommended maximum
speeds and distances for signaling purposes. Use this information as a guideline in planning your
network connections prior to installing the Cisco 10008 router.