Chapter 1 Product Overview
Front Panel Description
When set for autonegotiation, the port senses the speed and duplex settings of the attached device and advertises its own capabilities. If the connected device also supports autonegotiation, the switch port negotiates the best connection (the fastest line speed that both devices support and
UNIs and NNIs are supported on the Cisco ME switch. UNIs are typically connected to a host, such as a PC or a Cisco IP Phone. By default, the 10/100 ports on the Cisco ME switch are configured as UNIs.
A port can be reconfigured from UNI to NNI and the reverse. When a port is reconfigured as another interface type, it inherits all the characteristics of that interface type. All ports on the Cisco ME switch are either UNI or NNI at any time.
For information on configuring interfaces, see the software configuration guide.
SFP Module Slots
The SFP module slots support the SFP modules that are supported on the Cisco ME switch. These are listed in the “SFP Modules” section on page
By default, the SFP module ports on the Cisco ME switch are configured as NNIs. A port can be reconfigured from UNI to NNI and the reverse, but only four ports on the switch can be NNIs at the same time.
For more information on configuring interfaces, see the software configuration guide.
SFP Modules
The Cisco ME switch uses Gigabit Ethernet SFP modules to establish
The Cisco ME switch supports these Cisco SFP modules:
•
•
•
•
•
•
•
•
•CWDM
For more information about these SFP modules, see your SFP module documentation.
Cisco ME 2400 Ethernet Access Switch Hardware Installation Guide
| ||
|
