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Two DECchip 21040-AA Ethernet chips on the KFTIA are implemented as
twisted-pair Ethernet. They are connected to the Ethernet by a BN25G-xx
or a BN26M-xx transceiver cable. The DE435-AA, the PCI Ethernet
adapter, implements all three Ethernet variants: twisted-pair, or thick
wire, or ThinWire. The KFE70 has twisted-pair or thick wire.
1.
Connect the transceiver cable (BN25G-xx (unshielded) or BN26M-xx
(shielded)) to an Ethernet port on the KFTIA (see Figure 4-6).
2.
Connect the other end of the cable to an Ethernet transceiver or to an
appropriate conversion box. See the appropriate Ethernet transceiver
manual for more information.
3.
If there is a DE435-AA or a KFE70, connect appropriate cables to the
PCI module (see Figure 4-7). The DE435 has a single chipset that
supports either ThinWire, thick wire, or twisted-pair. The KFE70
supports either thick wire or twisted-pair.
Figure 4-7
Ethernet Connectors on PCI Adapters
DE435
Front
Making Console, SCSI, Ethernet, FDDI, and DSSI Connections 4-9
Twisted-Pair
Thick wire
Thick wire
Twisted-
ThinWire
Pair
BX-0447B-94
KFE70
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