Ethernet 10Base-2

This chapter shows the assembly, mounting, wiring, and power-up sequence of the hardware and wiring that may be used in an Ethernet 10BASE-2 LAN. It is not intended to explain Ethernet and its many possible configurations.

Before installing any Ethernet component, pay particular attention to the individual warnings about accessibility and protection of each piece of hardware.

Ethernet Board Requirements

Ethernet 10BASE-2 is available only for the 7052/sx Workstation. This workstation requires one of the following PC-AT bus type Ethernet boards:

•

NCR Ethernet board (497-0006213)

•

Western Digital Ethernet board (WD8003EP)

•

Generic off-the-shelf PC-AT bus Ethernet board

Note:  Ethernet 10Base-2 wiring is less reliable than 10Base-T wiring because the coaxial connectors can become intermittent where they are crimped onto the cable. This causes a break that can disable the entire network. Upgrade of existing 10Base-2 networks to twisted pair wiring is strongly recommended. The savings from reduced maintenance over time will offset the rewiring costs. Use of category 5 twisted pair provides an upgrade path to 100 Mb/s or faster networks.