Network Port And Uplink Module Port Connector Pinout Information For Ex4500 Switches; Table 14: Network Port And Uplink Module Port Connector Pinout Information - Juniper EX4500 Series Complete Hardware Manual

Complete Hardware Guide for EX4500 Ethernet Switches
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
Pin Signal
1 VeeT
2 TX_Fault
3 TX_Disable
4 SDA
5 SCL-
6 MOD_ABS
7 RS0
8 RX_LOS
9 RS1
10 VeeR
11 VeeR
12 RD-
13 RD+
14 VeeR
15 VccR
16 VccT
17 VeeT
18 TD+
19 TD-
20 VeeT
30

Network Port and Uplink Module Port Connector Pinout Information for EX4500 Switches

Description
Module transmitter ground
Module transmitter fault
Transmitter disable
2-wire serial interface data line
2-wire serial interface clock
Module absent
Rate select 0, optionally controls SFP+ module receiver.
Receiver loss of signal indication
Rate select 1, optionally controls SFP+ transmitter.
Module receiver ground
Module receiver ground
Receiver inverted data output
Receiver non inverted data output
Module receiver ground
Module receiver 3.3 V supply
Module transmitter 3.3 V supply
Module transmitter ground
Transmitter non inverted data input
Transmitter inverted data input
Module transmitter ground