Detail overview
   Hpe - Procurve Switch 5400zl 20port (j8705-61201). 
 Key Features : 
  Device Type : Expansion Module 
   Form Factor : Plug-in Module 
 Networking : 
   Connectivity Technology : Wired 
   Cabling Type : Ethernet 10base-t, Ethernet 100base-tx, Ethernet 1000base-t 
   Data Link Protocol : Ethernet, Fast Ethernet, Gigabit Ethernet 
   Auxiliary Ports : 4 X Sfp (mini-gbic) 
   Data Transfer Rate : 1 Gbps 
   Features : Power Over Ethernet (poe), Auto-uplink (auto Mdi/mdi-x), Half Duplex Mode, Full Duplex Mode 
   Compliant Standards : Ieee 802.3, Ieee 802.3u, Ieee 802.3ab 
 Expansion / Connectivity : 
   Expansion Slots Total (free) : 4 ( 4 ) X Sfp (mini-gbic) 
   Interfaces : 20 X Network / Power - Ethernet 10base-t/100base-tx/1000base-t - Rj-45 
   Compatible Slots : 1 X Expansion Slot