Network Planning
3-11
• If the AsantéHub is connected to an 802.3 backbone, and you
have other workstations on your network backbone, remember
to consider these workstations in your maximum data
transmission path.
• When interconnecting tree networks over a backbone (which
uses the AUI or BNC ports) and staying within the maximum
length and node count limits of the port type you use, it is
possible to use all fourteen ports of the AsantéHub at the same
time.
For fiber backbones, consider these factors:
• If a fiber-optic link is used, and the network path consists of
five segments, fiber segments should not exceed 500 meters
(1640 feet).
• If a fiber-optic link is used, and the network path consists of
four segments and three repeater sets, fiber segments should
not exceed 1000 meters (3280 feet) each.
Standards for Network Wiring
There are six criteria your twisted-pair link wiring must meet:
1. It must be 24 AWG (0.5 mm, or 24-gauge), unshielded, solid
conductor copper wiring. (You can identify this type of wiring
by its alternating color bands: green/white, white/green,
blue/white, white/blue, and so on.)
2. The wire must be insulated. Insulated wire has guaranteed
performance up to 40°C. In temperatures higher than 40°C
there is more interference. Note that the insulation must be
approved for use by your local building codes. For example,
plenum-rated or Teflon-insulated cable may be required in
some areas.
4. You need a minimum of two twisted-pairs for each link. We
recommend running four wire pairs to each workstation to
allow for future expansion and fault tolerance.
5. The maximum link length from hub to network device is 100
meters (328 feet). This distance includes the twisted-pair
extension cable and all the wire in the wall, plus the cross
connect cable and any punch-down and patch panel wire.
6. The twisted-pair link must be a straight (point-to-point) run from
the hub to the MAU. It must contain no taps or splices.
If the wire in your building does not meet these criteria, or if you need
workstations where no wire exists, you need to install new wiring.
To Next Page
Loading...
