Ten identical RJ12 unshielded modular sockets are provided. Use one at a time, or up to ten simultaneously. Mix one of these boards with any other CB board on the other side to test multi-headed cables. Not compatible with Model M2U-basic. Set of two boards.
Rated for operation up to 500 Vdc/ac.
Can be certified for operation at the maximum rated voltage for a service fee (Item 626).