HP 4-port Mini-GBIC vl Module J8776A Electronics It has 48 RJ-45 ports

It has 48 RJ-45 ports that run 10/100 Mbps

Networking Standards IEEE 802

Rapid Spanning Tree Protocol (RSTP) support

InterfaceSAS 6Gb/s

so you can add a module or replace a module without having to shut down the switch (changing the module type in a given slot does require a switch reset)

HP 4-port Mini-GBIC vl Module J8776A Electronics It has 48 RJ-45 portsThe HP Switch Modules are components that you can add to an HP Switch to provide a variety of network connectivity options. The HP Switch Module's ports are all configured to be ready for network operation as soon as a viable network cable is connected. Default configuration is applied to the module when the switch is powered on and the module passes self test; this default configuration works well for most network installations. LEDs provide