Cisco 7200 VXR Series Краткое руководство по эксплуатации - Страница 7
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Также для Cisco 7200 VXR Series: Информационный лист (12 страниц), Руководство (14 страниц)
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Part
• Port adapter documentation for configuring the interfaces
• T1 channel service unit/data service unit (CSU/DSU) that converts the High-Level Data Link Control (HDLC)
synchronous serial data stream into a T1 data stream with the correct framing and ones density to connect a serial port
to a T1 network. (Some telephone systems require a minimum number of 1 bits per time unit in a data stream, called ones
density.) Several T1 CSU/DSU devices are available as additional equipment, and most provide a V.35, EIA/TIA-449, or
EIA-530 electrical interface.
Prepare for Workbench or Tabletop Installation
For a workbench or tabletop installation, verify the following before installing the router:
• The router is off the floor and has adequate ventilation.
• An adequate chassis ground (earth) connection exists for the router.
• The router has at least 3 inches (7.62 cm) of clearance at the inlet and exhaust vents (sides of router).
• The router has 19 inches (48.3 cm) clearance at the front and rear to allow for field-replaceable unit (FRU) replacement or
installation, or to access cables or equipment.
• Port adapter and power supply filler panels are installed if port adapters and a second power supply are not installed. There
must be no empty slots.
For cable-management bracket installation instructions, see page 8 and 9.
Prepare for Rack-Mount Installation
Make these decisions before you begin the rack-mounting tasks:
• Decide whether or not you want to front- or rear-mount the chassis.
• Decide whether or not you want to attach cable-management brackets.
• Determine the type of rack—four-post or two-post—that you will be using.
Install the CompactFlash Disk, GBICs, and SFPs on the NPE-G1 or NPE-G2
Note
The NPE-G1 and NPE-G2 shis with the CompactFlash Disk, GBICS, and SFPs installed.
If you need to install CompactFlash Disks, GBICs or SFPs into the NPE-G1 or NPE-G2, do so before you rack-mount the router.
If you do not have an NPE-G1 or NPE-G2 in the router, skip to the "Rack-Mount the Router" section on page 10.
Part
• AC power cable-retention clip
7