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Nortel Secure Router 8012
Hardware Description
5-6 Nortel Networks Inc. Issue 5.3 (6 April 2009)
Table 5-3 Pin assignment of straight-through cable
RJ45 Signal Category 5 Twisted Pair Signal Direction RJ45
1 TX+ White (Orange)
Æ
1
2 TX- Orange
Æ
2
3 RX+ White (Green)
Å
3
4 - Blue - 4
5 - White (Blue) - 5
6 RX- Green
Å
6
7 - White (Brown) - 7
8 - Brown - 8
Table 5-4 Pin assignment of crossover cable
RJ45 Signal Category 5 Twisted Pair Signal Direction RJ45
1 TX+ White (Green)
Æ
3
2 TX- Green
Æ
6
3 RX+ White (Orange)
Å
1
4 - Blue - 4
5 - White (Blue) - 5
6 RX- Orange
Å
2
7 - White (Brown) - 7
8 - Brown - 8
Refer to the previous table to differentiate and produce two Ethernet cables. If you do not arrange the
line order according to this chromatogram, the communication quality can be affected although the two
ends are connected.
5.6 Optical fiber
5.6.1 Introduction
The Secure Router 8012 uses the optical module on different optical interfaces. Table 5-5
shows the corresponding optical fiber.