Nortel Networks 2750 User Manual
Appendix A Technical specifications 87
Nortel VPN Router Installation — VPN Router 2750
1000BASE-T (1000 MT) Ethernet interface card
Use the 1000BASE-T Ethernet interface card to connect to Gigabit Ethernet
interfaces on other devices in your network, as well as to provide increased
throughput. This interface card has a single RJ-45 connector.
interfaces on other devices in your network, as well as to provide increased
throughput. This interface card has a single RJ-45 connector.
shows the 1000BASE-T Ethernet interface card.
Figure 34
1000BASE-T (1000 MT) Ethernet interface card
The port on the 1000BASE-T Ethernet interface card accommodates an RJ-45
straight-through cable. Select cables for this port as follows:
straight-through cable. Select cables for this port as follows:
•
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.
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
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.
meters for the cable segment.
•
For 10BASE-T operation, use Category 3, 4, or 5 twisted-pair wiring.
provides the 1000BASE-T Ethernet port pinouts.
Table 23
1000BASE-T Ethernet port pinouts
Pin
Description
1
TP0+
2
TP0-
3
TP1+
4
TP2+
5
TP2-
6
TP1-
11287EA
10 = OFF
100 = GRN
1000 = ORG
A
CT/LNK
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