Juniper EX4550 Hardware Guide

Table 61: SFP+ Network Port and SFP+ Expansion Module Port Connector Pinout Information
DescriptionSignalPin
Module transmitter groundVeeT1
Module transmitter faultTX_Fault2
Transmitter disabledTX_Disable3
2-wire serial interface data lineSDA4
2-wire serial interface clockSCL-5
Module absentMOD_ABS6
Rate select 0, optionally controls SFP+ module receiverRS07
Receiver loss of signal indicationRX_LOS8
Rate select 1, optionally controls SFP+ transmitterRS19
Module receiver groundVeeR10
Module receiver groundVeeR11
Receiver inverted data outputRD-12
Receiver noninverted data outputRD+13
Module receiver groundVeeR14
Module receiver 3.3 V supplyVccR15
Module transmitter 3.3 V supplyVccT16
Module transmitter groundVeeT17
Transmitter noninverted data inputTD+18
Transmitter inverted data inputTD-19
Module transmitter groundVeeT20
Table 62: 10GBASE-T Network Port and 10GBASE-T Expansion Module Port Connector Pinout
Information
DescriptionSignalPin
Transmit/receive data pair 1TRP1+1
Copyright © 2015, Juniper Networks, Inc.128
EX4550 Switch Hardware Guide

Juniper EX4550 Specifications

Console Connection Settings

baud rate	9600
data bits	8
stop bits	1