Hardware Installation and Reference Guide Appendix
25
7 Appendix
7.1 Connectors and Media
2500BASE-T/1000BASE-T/100BASE-TX Port
2500BASE-T/1000BASE-T/100BASE-TX is a 100/1000/2500 Mbps port that supports auto-negotiation and auto
MDI/MDIX Crossover.
Compliant with IEEE 802.3bz, 2500BASE-T requires Category 6 or Category 5e 100-ohm UTP or STP (STP is
recommended) with a maximum distance of 100 meters (328.08 feet). Category 6 STP is recommended for PoE
power supply. Take shielding measures for both ports and cables.
Compliant with IEEE 802.3ab, 1000BASE-T requires Category 6 or Category 5e 100-ohm UTP or STP (STP is
recommended) with a maximum distance of 100 meters (328.08 feet). Category 6 STP is recommended for PoE
power supply. Take shielding measures for both ports and cables.
2500BASE-T/1000BASE-T port uses four twisted pairs for data transmission. Twisted pairs for the 2500BASE-
T/1000BASE-T port are connected as shown in the following figure.
Figure 7-1 Four Twisted Pairs Connection
100BASE-TX port can also be connected by cables of the preceding specifications. Besides, 100BASE-TX port
can be connected by 100-ohm Category 5 cables with a maximum distance of 100 meters (328.08 feet). The
following table lists definitions of pin signals for the 100BASE-TX port.
Table 7-1 100BASE-TX Pin Assignments
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