The model 7707VAT-A4 is a fiber transmitter features SDI video and 4 broadcast quality analog audio. Supports 525 or 625 line 4:2:2 component SDI signals. Analog audio inputs can be synchronous or asynchronous to each other and/or to input video. Reclocked SDI output for additional signal distribution/monitoring. Signal transport over fiber uninterrupted by loss of SDI or analog audio input feeds. Low audio to video latency over transport interface. Local display of input SDI signal strength, video format and EDH errors. Automatic coaxial input equalization to 300m at 270Mb/s (Belden 8281). Comprehensive signal and card status monitoring via four-digit card-edge display/remotely through SNMP and VistaLINK® capability. Fully hot-swappable from front of frame with no fiber disconnect/reconnect required. Supports single-mode and multi-mode fiber optic cable. Optical output wavelengths of 1310nm, 1550nm, and up to sixteen CWDM wavelengths (ITU-T G.694.2 compliant). DWDM wavelengths (ITU-T G.694.1 compliant) also available. VistaLINK® capable for remote monitoring via SNMP (using VistaLINK® PRO) when installed in 7800FR frame with a 7700FC VistaLINK® frame controller. Occupies one card slot and can be housed in the 1RU 7801FR frame which holds up to four single/two dual slot modules.