The EM8000D10 extension module is designed for 80xx time reference systems, housed in a standard DIN rail enclosure. This module features two demodulated IRIG-B signals via a fiber optical connector for multimode fiber optic cables, operating at a wavelength of 820nm with ST connector type. Additionally, it provides two IRIG-B DCLS signals at 5VDC/TTL through a female BNC connector. The dimensions of the module are 130x135x105mm (DxWxH), and it is only available with the purchase of a new DIN rail time reference system, with no options for onsite upgrades or exchanges.