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78 Appendix A Technical specifications
NN46110-316 03.01
The following figure shows the 1000BASE-T (1000 GT) Ethernet interface
full-height card for VPN Router 1750.
Figure 23 1000BASE-T (1000 GT) Ethernet interface card
Select cables for the card as follows, keeping in mind that this card is
autonegotiating and uses the highest possible data rate:
• For 1000BASE-T operation, use category 5 four-pair Ethernet wiring. The
cable must comply with the TIA 568 wiring specification. Nortel recommends
a maximum length of 100 meters for the cable segment.
• For 100BASE-TX operation, use category 5 twisted-pair wiring: one pair each
for transmit and receive operations. The cable must comply with the
EIA 568 wiring specification. Nortel recommends a maximum length of 100
meters for the cable segment.
• For 10BASE-T operation, use category 3, 4, or 5 twisted-pair wiring.
The following table provides the pinouts for the 1000BASE-T (1000 GT) Ethernet
interface card.
Table 21 1000BASE-T (1000 GT) Ethernet pinouts
Pin Description
1TP0+
2TP0-
3TP1+
4TP2+
5TP2-
6TP1-
7TP3+
8TP3-
CS260010A
12345678