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PhaserShare Networking Manual
13
PhaserShare Series B Network Interfaces
2
Ethernet cables and termination
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To fully comply with EMI specifications, the use of shielded or screened cables may
be required. “Shielded” describes IBM-defined cables used with the DB-9
connector. “Screened” describes cables that are electrically similar to Category 4
UTP, but with an added shield or screen.
10BaseT or 100BaseTx (Twisted Pair)
100BaseTx requires Category 5 (100-Ohm UTP) cabling.
The Ethernet standard does not allow a direct 10BaseT connection between a single
computer and a single printer. Use 10Base2 (Thin Ethernet) to connect a single
computer to a single printer.
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Do not use “silver satin” telephone extension cables for 10BaseT networks, either as
drop cords or as patch cables in the wiring closet. (Silver satin cables are flat,
usually silver or gray, with 28-gauge stranded or tinsel conductors.) Do not use
shielded twisted pair cable intended for IBM Token Ring networks or voice-grade
(level 1 or 2) unshielded twisted pair cable for wiring runs. These cables do not
meet the requirements for 10BaseT and will lead to unreliable operation.
10Base2 (Thin Ethernet)
Depending on the type of Ethernet cables you use and your network configuration,
you may need to use terminators at certain points in the installation. Refer to the
manufacturer’s documentation for your Ethernet adapters and cables for details.
10Base5 (Thick Ethernet)
Connecting the printer using thick coax (10Base5) requires an adapter; contact your
dealer to obtain adapters, cables, and terminators.