... Value-Added Module (VAM) System VAM-at-a-Glancew w w . a d c . c o m • + 1 - 9 5 2 - 9 3 8 - 8 0 8 0 • 1 - 8 0 0 - 3 6 6 - 3 8 9 1ADC’s family of Value-Added Modules (VAM) reflect ... reflect our expertise in signal splitting, monitoring, WDM (Wave Division Multiplexing), CWDM (Coarse Wave Division Multiplexing), DWDM (Dense Wave Division Multiplexing) along with superior ... protection.Optical System Type Module Type Port Count NGF NG3 FL2000 FMT 2RU Wide VAM 7" FCM (FDF) 8" FCM LSX (LGX)*Standard FCM (FDF) 6 Front, 4 Rear 6 front only¸ ¸Wide VAM Module 20 Front,...