out of bound management network for administration. Alternatively, you can use an Ethernet cable to
connect this port directly to a laptop to view and locally manage the switch configuration. The Ethernet
management port supports 10/100/1000 Mbps speeds.
There is also a USB console port. If the USB console port is connected, it will be selected over the RJ45
console port. The USB console port will disconnect when the switch is rebooted. A user can re-connect
the port if needed. When the USB console is active, any messages from the switch to the client terminal
will be echoed to both the USB console and the rear panel RJ45 serial port; however, no user input will
be accepted from the rear panel port.
Cooling
Each base model is available with front-to-back cooling.
Switch cooling is provided by replaceable fan modules. The available fan module uses airflow from front
to back. Two modular power supply slots accommodate AC power supplies. Power supplies have
integrated cooling fans that operate independently of the switch fan.
A spare fan module (XN-FAN-002-F) with front-to-back airflow is available for VSP 4900 switches.
Power Supplies
Two power supply bays accommodate AC power supplies. Power supplies have integrated cooling fans
that operate independently of the switch fans. Like the fan modules, the power supplies are available in
models with front-to-back cooling airflow. For more information about the power supplies used in the
VSP 4900 switches, see
Removing and Replacing Components
Power supplies are ordered separately.
Caution
Air must flow in the same direction for all installed fan modules and power supplies in a
switch.
Operating Temperatures
All VSP 4900 switch models support an operating range from 0°C to 50°C.
VSP 4900-48P Features
The front panel of the ExtremeSwitching VSP4900-48P switch includes:
•
48 10/100/1000Mb full/half duplex MACsec capable ports with 802.3at Type 2 PoE (30W)
•
1 VIM5 slot
•
2 USB A ports
•
1 USB micro B management port
Overview of the VSP 4900 Series Switch
VSP 4900 Series Switches: Hardware Installation Guide
10