5557484-1 is a single port vertical modular jack designed for data communications applications requiring reliable network connectivity. This shielded 8-position/8-contact (RJ45) jack features through-hole mounting with a height of 16.64 mm and a tail length of 3.9 mm. The connector provides both panel and PCB grounding options with panel stops and a low panel stop feature for secure installation. Designed for Cat 3 performance with top entry PCB mount angle, this modular jack is ideal for communications equipment, routers, switches, and business equipment where EMI/RFI protection is required.