Optimux, 4 x Ethernet, 4 x E1, 8 x FXO/ FXS and 120 km SFP, Module, E1 To ETH Convertor 4 Ports, E1 To ETH Convertor, Single Ports, OTE Single Fiber SFP module 80 Kms, CSU/ DSU, 8 Ports PoE Switch, L2 Switch, 24 Port, Manageable with 04 x SFP Ports, L3 Switch, 5 KVA Online UPS with, Bty Bank with min 2 hrs backup