* RV641NT (desktop): 4-Ch HD-SDI input; RV641NR (desktop)/ RV641NRK (rack mount card): 4-Ch HD-SDI output
* Comply with SMPTE-292M HD-SDI standard
* 1080P@30,25,24 and 720P@60,50,30,25,24
* One RS485 channel, half duplex, up to 115.2Kb/s
* Provides auxiliary channel: 2-Ch/4-Ch audio, 2-Ch contact closure I/O, 1-Ch RS422, or 2-Ch RS232 service for option
* Rack mount chassis RV600C, used as the centralized HD-SDI receiver, supports up to 16 RV641NRK and a management card with CLI &SNMP
