echo "custom header code goes in here"; ?>
The N-8400RS Substation Interface Unit uses packet audio technology to permit connection of up to 16 RS-4xx series 4-wire master or door stations. Master stations and door stations use the same dual unshielded twisted pair wiring. Each N-8400RS supports one voice link. The Substation Interface Unit may be used as a stand-alone system (requires at least one master station) or connected to an N-8000 IP intercom system over LAN or WAN.”
The latest firmware version is 4.10(update:2014/11/13). The latest software version is 4.2.0(update:2015/04/03),and old version 1.41(update:2008/10/06). The Maintenance Software(Ver.1.2.0) is used to monitor or maintain equipment within the system(upload:2015/04/03).