Use these guidelines when planning your twinaxial cables.
- Cable types: To connect twinaxial devices (that
is, workstations) to your server, you can use vinyl-covered cables, Teflon-covered
cables, or both. The only major difference between vinyl- and Teflon-covered
cables is that Teflon-covered cables should be used for installation in an
air plenum.
- Adapters: If you plan to connect two or more lengths
of cable, order cable-to-cable adapters for the type of cable you are using. Do
not splice cables.
- Maximum workstation distance: The last workstation
in your series can be no more than 1525 m (5000 ft) in cable distance away
from your host server or remote workstation controller.
- Cable junctions: A cable junction occurs when a
cable attaches to a workstation or when an adapter which joins two cables.
(Each pair of connections to a device is considered one junction.) Do
not make more than 11 cable junctions per line.
- Outdoor cables: If you plan to install cables outside
a building, consult a qualified service representative.
- Cabling configurations: See diagrams of how to
arrange twinaxial workstations.
- Cable placement and electrical equipment: Do not
install workstation cables near any power lines (transmitting more than 440
volts) or electrical equipment (using more than 440 volts). You can install
cables near equipment of less than 440 volts if you follow distance
guidelines.
- Workstation connections: Workstations have two
sockets each for cable connections. Workstations are connected in a series.
Your server can have up to seven workstation addresses on each twinaxial port.
The last workstation in each of your series must have a cable terminator.
Most workstations have this feature built in. Older workstations might need
an external terminating plug. Review your workstation documentation.
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