The Guanghang 19-inch DDF Digital Distribution Frame is designed for efficient management and routing of 2M E1 coaxial cable connections. Available with Siemens L9 or BNC Q9 terminal unit boards, these distribution frames support various system capacities from 8 to 20, accommodating different connection densities. Each variant includes specific quantities of L9 heads, Q9 heads, or 3-way connectors for versatile network setups.