RB-FS82, Audio Failover Switcher. Failover switch with 8 I/O for main signal path and 2 I/O for backup signal path. Inputs and outputs are available for analog balanced stereo, AES/EBU and RS-232. The usage is, for example, backup of studio to transmitter links, ISDN or IP codecs, etc. All signal switching takes place via relays, normal signal path is maintained even through power failure. Size: 19 inches/1U.