Juniper EX4300 Series

Table 64: 10/100/1000BASE-T Ethernet Network Port and 100/1000/2500/5000/10000BASE-T
Ethernet Network Port Connector Pinout Informaon for EX4300-48MP and EX4300-48MP-S
Switches (Connued)
Pin Signal Descripon
2 TRP1- Transmit/receive data pair 1
Negave Vport 1
3 TRP2+ Transmit/receive data pair 2
Posive Vport 1
4 TRP3+ Transmit/receive data pair 3
Posive Vport 2
5 TRP3- Transmit/receive data pair 3
Posive Vport 2
6 TRP2- Transmit/receive data pair 2
Posive Vport 1
7 TRP4+ Transmit/receive data pair 4
Negave Vport 2
8 TRP4- Transmit/receive data pair 4
Negave Vport 2
NOTE: The Ethernet cables that you use to connect to the RJ-45 network ports on
EX4300-48MP and EX4300-48MP-S switches and provide 95-W power over 4-pair wire must
meet the following specicaons related to deployment, temperature rise, category, IEEE, UL,
NEC, and local electric codes to ensure proper performance and to not exceed rated temperature
and ampacity of cables:
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