The Video Signal Generation module VSG181 is part of Meinberg’s Intelligent Modular Synchronization (IMS) product range and offers signal formats like NTSC Black Burst with Vertical Interval Timecode (VITC) support and additional Longitudinal Timecode (LTC) formats. The IMS VSG181 module also includes an on-board OCXO oscillator to ensure safe signal changeovers in chassis with redundant reference clock modules.