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3.2.13
10BASE-T/100BASE-TX/1000BASE-T Interface Cable
(CAT.5E, RJ45 Connector)
The boundary with 10BASE-T, 100BASE-TX and 1000BASE-T is the connector on GS4000.
For the connection with 1000BASE-T, use a UTP interface cable categorized as "Enhanced
Category 5". (It is possible to use a UTP interface cable categorized as "Category 5" for the
connection only with 100BASE-TX. Also, 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, 100BASE-
TX or 1000BASE-T is 100m.
Figure 3.2-14/3.2-15 below show the rough sketch of the cables, and Table 3.2-21 shows the
pin arrangement on NE1000-12T, NE1G-12TA,NE1G-48T,S12-1G48.
RJ45 Connector
Figure 3.2-14 Rough Sketch of Twisted-Pair Cable (Straight Cable)
RJ45 Connector
Figure 3.2-15 Rough Sketch of Twisted-Pair Cable (Cross Cable)
Table 3.2-21 Pin Arrangement on the NE1000-12T, NE1G-12TA,NE1G-48T,S12-1G48T (for
Pin Number
1
2
3
4
5
6
7
8
(Note: 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 1000BASE-T.
NOTE: See the section 3.2.14 "10BASE-T/100BASE-TX Interface Cable (CAT.5, RJ45
*
520-10-026-30X
10BASE-T/100BASE-TX/1000BASE-T Interfaces)
Specification
Sending/Receiving A (+)
Sending/Receiving A (-)
Sending/Receiving B (+)
Sending/Receiving C (+)
Sending/Receiving C (-)
Sending/Receiving B (-)
Sending/Receiving D (+)
Sending/Receiving D (-)
connector)" if using 10BASE-T/100BASE-TX.
GS4000 Installation Guide Revision 4.00
RJ45 Connector
RJ45 Connector
(A)
(a)
(B)
(C)
(c)
(b)
(D)
(d)
3-17
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