Table 80: 10/100/1000Base-T Ethernet Network Port Connector Pinout; Table 81: Sfp Network Port Connector Pinout Information - Juniper EX4300 Hardware Manual

EX4300 Switch Hardware Guide
Table 80: 10/100/1000BASE-T Ethernet Network Port Connector Pinout Information
Pin Signal
1 TRP1+
2 TRP1-
3 TRP2+
4 TRP3+
5 TRP3-
6 TRP2-
7 TRP4+
8 TRP4-

Table 81: SFP Network Port Connector Pinout Information

Pin Signal
1 VeeT
2 TX_Fault
3 TX_Disable
4 SDA
5 SCL-
6 MOD_ABS
7 RS
8 RX_LOS
9 VeeR
10 VeeR
11 VeeR
144
Description
Transmit/receive data pair 1
Negative Vport (in PoE models)
Transmit/receive data pair 1
Negative Vport (in PoE models)
Transmit/receive data pair 2
Positive Vport (in PoE models)
Transmit/receive data pair 3
Transmit/receive data pair 3
Transmit/receive data pair 2
Positive Vport (in PoE models)
Transmit/receive data pair 4
Transmit/receive data pair 4
Description
Module transmitter ground
Module transmitter fault
Transmitter disabled
2-wire serial interface data line
2-wire serial interface clock
Module absent
Rate select
Receiver loss of signal indication
Module receiver ground
Module receiver ground
Module receiver ground
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