Connecting The Ex4300 To The Network; Install A Transceiver - Juniper EX4300 Series Hardware Manual

4. By default, the RJ-45 port is set as an active console port and the Mini-USB Type-B port is the
passive console port. Set the Mini-USB Type-B console port as the active console port using the port-
type command. See Configuring the Console Port Type (CLI
5. Reboot the switch. The boot log appears on the activated console.
After the connection is established, the Mini-USB Type-B becomes the active console port. The host
machine connected to the Mini-USB Type-B console port displays log messages and you can control
switch functionality through it. On EX2300, EX2300-C, EX3400, and EX4300 switches, both the Mini-
USB Type-B and RJ-45 console ports are now active. On EX2200-C and EX4550 switches, the Mini-USB
Type-B console port is active and the RJ-45 console port is passive.

Connecting the EX4300 to the Network

IN THIS SECTION

Install a Transceiver | 209

Connect a Fiber-Optic Cable | 212
Install a Transceiver
Before you install a transceiver in a device, ensure that you have taken the necessary precautions for
safe handling of lasers (see
Ensure that you have a rubber safety cap available to cover the transceiver.
The transceivers for Juniper Networks devices are hot-removable and hot-insertable field-replaceable
units (FRUs). You can remove and replace them without powering off the device or disrupting the device
functions.
NOTE: After you insert a transceiver or after you change the media-type configuration, wait for
6 seconds for the interface to display operational commands.
Laser and LED Safety Guidelines and Warnings
Procedure).
).
209