1) PCB connection module : 2 pins , 4 pins, 6 pins, 8 pins PCB connection modules (TP-1305-2/4/6/8)
2) D9 DDF block : 2 systems D9 DDF block 120Ω (TP-1306-D9)
3) Compact profile connection module : 10 pairs super compact profile connection module (TP-1319-10P), also called the M10 SC terminal block,
4) Switching module : 10 pairs switching module with wire guide (TP-1322-10), also called QDF termination magazine or BTDG block, is developed to in the main distribution frames (MDF).