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GS4000 Installation Guide Revision 4.00
3.2.14
10BASE-T/100BASE-TX Interface Cable (CAT.5, RJ45 connector)
The boundary with 10BASE-T and 100BASE-TX is the connector on GS4000.
For the connection with 100BASE-TX, use a UTP interface cable categorized as "Category 5".
(It is possible to use a UTP interface cable categorized "Category 3" for the connection only
with 10BASE-T.)
The maximum transmission distance for the connection of GS4000 with 10BASE-T or
100BASE-TX is 100m.
Figure 3.2-16/3.2-17 below show the rough sketch of the cables, and Table 3.2-22 shows the
pin arrangement on NE100-48T.
RJ45 Connector
Figure 3.2-16 Rough Sketch of Twisted-Pair Cable (Straight Cable)
RJ45 Connector
Figure 3.2-17 Rough Sketch of Twisted-Pair Cable (Cross Cable)
Table 3.2-22 Pin Arrangement on the NE100-48T (for 10BASE-T/100BASE-TX Interfaces)
Pin number
1
2
3
4
5
6
7
8
Note 1: This should be connected to the port when using 100BASE
"disconnection" when using the 10BASE-T.
Note 2: Because the interface uses differential, twisted pairs of wires, make (A) and (a), (B) and (b), (C) and (c), and (D)
and (d) into pairs when using 100BASE-TX, and make (A) and (a), and (B) and (b) into pairs when using the 10BASE-T.
For the interfaces other than those, you can choose "disconnection" or "connection" ignoring the combination of pairs.
3-18
Specification
Receiving (+)
Receiving (-)
Sending (+)
Unused (Note 1)
Unused (Note 1)
Sending (-)
Unused (Note 1)
Unused (Note 1)
RJ45 Connector
RJ45 Connector
(A)
(a)
(B)
(C)
(c)
(b)
(D)
(d)
-
TX. It is possible to choose "connection" or
520-10-026-30X
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