The FRM220-NMC-R5 features 2x 10/100/1000Base-T RJ45 plus 2x 100/1000Base-X SFP ports, supports remote TCP/IP management by SSHv2, HTTPS and SNMPv1, v2c, v3 protocols and is designed to be hot swapped so that it may be field replaced without affecting any online service of any other rack cards. The FRM220-NMC-R5 also supports online firmware upgrade from TFTP server, using any user interface, without affecting any other inserted line card’s transmissions. Support for any standard NMS is provided by the included enterprise MIB file. CTC Union also provides and maintains our own EMS (Element Management System) which is a Java based client/server manager for monitoring and maintaining a large number of network elements over a long period of time.