Juniper EX4500 Series User Manual

Network Port and Uplink Module Port Connector Pinout Information for EX4500
Switches
The network ports and uplink module ports on an EX4500 switch have two LEDs on
each port that indicate link/activity on the port and the port status. See “Network
Port and Uplink Module Port LEDs in EX4500 Switches” on page 15.
Table 14 on page 30 provides the pinout information for the network port and uplink
module port connector pinout.
Table 14: Network Port and Uplink Module Port Connector Pinout Information for EX4500 Switches
DescriptionSignalPin
Module transmitter groundVeeT1
Module transmitter faultTX_Fault2
Transmitter disableTX_Disable3
2-wire serial interface data lineSDA4
2-wire serial interface clockSCL-5
Module absentMOD_ABS6
Rate select 0, optionally controls SFP+ module receiver.RS07
Receiver loss of signal indicationRX_LOS8
Rate select 1, optionally controls SFP+ transmitter.RS19
Module receiver groundVeeR10
Module receiver groundVeeR11
Receiver inverted data outputRD-12
Receiver non inverted data outputRD+13
Module receiver groundVeeR14
Module receiver 3.3 V supplyVccR15
Module transmitter 3.3 V supplyVccT16
Module transmitter groundVeeT17
Transmitter non inverted data inputTD+18
Transmitter inverted data inputTD-19
Module transmitter groundVeeT20
30 ■ Network Port and Uplink Module Port Connector Pinout Information for EX4500 Switches
Complete Hardware Guide for EX4500 Ethernet Switches

Juniper EX4500 Series Specifications

General

Brand	Juniper
Model	EX4500 Series
Category	Switch
Language	English