
LAN system components 179
100Base-TX and 100Base-FX, and employ internal buffers to prevent saturation of the
10BaseT port.
Remote bridges, on the other hand, operate in pairs with some form of interconnection
between them. This interconnection can be with or without modems, and include RS-
232/V.24, V.35, RS-422, RS-530, X.21, 4-wire, or fiber (both single and multi-mode).
The distance between bridges can typically be up to 1.6 km.
Figure 10.4
Remote bridge application
10.5 Hubs
Hubs are used to interconnect hosts in a physical star configuration. This section will deal
with Ethernet hubs, which are of the 10/100/100BaseT variety. They are ...