Table 5-1 General Specifications For Ethernet System Configuration - Hitachi S10mini User Manual

The maximum link segment length is 500 m.
Do not connect any node to a link segment.
When a link segment is used, the portion enclosed by dotted lines in Figure
5-3, including the repeaters on both ends, is counted as one repeater.
Ensure that the number of repeaters between nodes does not exceed 2.
Only one segment can be connected to two or more repeaters.
Table 5-1 shows the system configuration parameters.

Table 5-1 General Specifications for Ethernet System Configuration

Maximum segment length
Maximum number of transceivers in segment
Maximum distance between stations
Maximum number of system nodes
Maximum length of transceiver cable (AUI cable)
Cable length between transceiver and repeater
Maximum number of repeaters in an inter-node path
Item Specification
500 m
100 units
2500 m or less (excluding transceiver cable)
254 units
50 m
2 m or less (recommended value)
2 units (however, a link segment is counted as one
repeater unit, including the repeaters on both ends).
5-5
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