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Network Configurations 11
KNE24TP/RS User’s Guide - Rev. A01 Kingston Technology Company
Linear Bus Network
The typical network configuration for 10BASE2 networks is a Linear Bus
topology in which nodes are connected via thin coaxial cabling using the BNC
connector. A 50Ω (Ohm) terminator must be attached to each end of the trunk
segment and one of the terminators must be grounded. The maximum cable
length is 185M per segment. To minimize cable-related problems, do not mix
single filament (black PVC jacket) with stranded filament (DEC grey) coaxial
cables on the same network.
Thin Ethernet Coax Cable
Up to 30 Nodes
50-Ohm Grounded
Terminator
STACK-IN
STACK-OUT
AUI
OFF
ON
100-240VAC 50-60HZ 1A
EXTERNAL TRANSCEIVER
( SQE JUMPER DISABLED)
UTILIZATION % - Bar graph indication
(in percentage) of the traffic rate in
reference to the 10 Mbps Ethernet
bandwidth.
COLL %
UTIL %
1%
7%
15%
30%
60%
1%
7%
15%
30%
60%
Green
Green
Green
Amber
Orange
Amber
Amber
Amber
Amber
Red
COLLISION % - Bargraph indication
(in percentage) of the packet collision
rate in the network.
PORT #16 OR PORT #24
CASCADE CONFIGURATION
For cascading to another MDI-X
hub port using straight-thru cable.
For connection to workstation NIC
using cross-over cable.
For cascading to another MDI-X
hub port using cross-over cable.
For connection to workstation NIC
using straight-thru cable.
BNC
50-Ohm Terminator
on last Node
Fig. 5. Linear Bus Connection
Horizontal Cascading
The EtheRx hubs can be horizontally cascaded to other hubs as long as the
Ethernet 5-4-3 Rule is met. This connection can be made through the BNC
port, AUI port, or one of the UTP ports. To cascade to another hub, use the
last UTP port which has a cascade switch to support either straight-thru or
crossover cable types. Figure 6 below is an example of horizontal cascading
using the KNE24TP/RS under the Ethernet 5-4-3 rule.
Slick-Stack Ethernet Hub
KNE24TP/RS
AUIBNC
3
4
21
PWR
UTIL %
COLL %
LINK / ACT / PARTITION
1 2 3 4 5 6 7 8 9 10 11 12
13 14 15 16 17 18 19 20 21 22 23 24
15
16
1413 19
20
1817
7
8
6511
12
109
21 22 23 24
CASCADE
CABLE TYPE
234567
8
8
Segment 1
Segment 2
Segment 3
Segment 4
Segment 5
Slick-Stack Ethernet Hub
KNE24TP/RS
AUIBNC
3
4
21
PWR
UTIL %
COLL %
LINK / ACT / PARTITION
1 2 3 4 5 6 7 8 9 10 11 12
13 14 15 16 17 18 19 20 21 22 23 24
15
16
1413 19
20
1817
7
8
6511
12
109
21 22 23 24
CASCADE
CABLE TYPE
Slick-Stack Ethernet Hub
KNE24TP/RS
AUIBNC
3
4
21
PWR
UTIL %
COLL %
LINK / ACT / PARTITION
1 2 3 4 5 6 7 8 9 10 11 12
13 14 15 16 17 18 19 20 21 22 23 24
15
16
1413 19
20
1817
7
8
6511
12
109
21 22 23 24
CASCADE
CABLE TYPE
Slick-Stack Ethernet Hub
KNE24TP/RS
AUIBNC
3
4
21
PWR
UTIL %
COLL %
LINK / ACT / PARTITION
1 2 3 4 5 6 7 8 9 10 11 12
13 14 15 16 17 18 19 20 21 22 23 24
15
16
1413 19
20
1817
7
8
6511
12
109
21 22 23 24
CASCADE
CABLE TYPE
100M max.
per segment
Fig. 6. Horizontal Cascading