31436 Systems Software

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31436 Systems Software NetworksAUTUMN 2002

• Chapter 8 Design and Documentation
• Chapter 9 Structured Cabling Project

UTS Faculty of IT is a Cisco Regional Networking
Academy
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Network Design Issues

• Find out about the company.
• What they do.
• How they expect the new network to help them.
• Will the network still suit them in 10 years time
• Can the company afford it?
• Try and get a feel of what the users would like
  to see.
• Computer-savvy or How do I use this?

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Documentation

• Documentation is underrated its actually very
  important!
• Engineering journal (important notes etc.)
• Topologies (logical and physical)
• Cut sheets
• Labelled outlets and cable runs, plus a summary
• Summary of devices, MAC and IP addresses.

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Wiring Closets (MDFs)

• Small communications rooms dotted around the
  building. Must conform to issues like
• Adequate power supply
• Heating, cooling, ventilation
• Lighting type and location
• Fire-rated walls and ceilings
• Unhindered access in case of emergency
• Non-conducive to static electricity
• Floor size, and height (preferably raised)
• Closet location (close to POP, wide catchment
  area)

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Cabling Runs

• Horizontal cabling limited to max of 100m for
  CAT5 UTP, 350m for CAT5e UTP.
• CAT6 UTP soon to be ratified by ANSI.
• Extend the catchment area if necessary using hubs
  (preferably switches).
• Multi-mode optical fibre is now the cable of
  choice for vertical cabling runs.

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Electrical Considerations

• Minimal line noise desired. Keep cable runs away
  from sources of electrical interference
• Major AC cables
• Elevator shafts
• Lighting installations
• Air conditioning units
• Electrical grounding is important for all
  equipment.
• A UPS may be necessary for important equipment

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Safety First

• Electrical precautions
• Switch off electrical devices when working on
  them.
• Locate all power conduits and cables before
  laying network cables.
• Properly ground yourself and equipment youre
  using.
• Dont cut or nick a live 240V cable.
• Construction precautions
• Wear safety glasses when drilling/cutting.
• Measure twice, cut once.
• Check for cables before you drill or cut.
• Make sure ladders used are secure and wont tip
  over.

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All things considered - Cables

• Proper labelling is essential to a proper cabling
  installation.
• Label the spool of cable.
• Label both ends of cable, and also place labels
  at regular intervals along long lengths of cable.
• Label wall outlets, both at work area and also at
  cross-connects.
• Mount cables properly using raceway mounts.
• Tie-wraps arent sufficient in a work environment.

9
Welcome to my world )

• Daniel COMARMOND
• E-Mail dacomarm_at_it.uts.edu.au
• ICQ 6606132
• Phone [phone]
• Website http//charlie.it.uts.edu.au/dacomarm
• USERNAME www
• PASSWORD rosebud
• Take care, and SMILE!!! )