1 DC, 2-way NPN (common positive and common anode) DC, 2-way PNP (common negative and common cathode) DC, 4-way NPN (common positive and common anode) DC, 4-way PNP (common negative and common cathode) DC, 6-way NPN (common positive and common anode) DC, 6-way PNP (common negative and common cathode) DC, 8-way NPN (common positive and common anode) DC, 8-way PNP (common negative and common cathode) DC, 1 communication, 2-way NPN (co-positive and co-yang) communication, 2-way PNP (common negative and common cathode) communication, 4-way NPN (co-positive and co-yang) communication, 4-way PNP (common negative and common cathode) communication, 6-way NPN (Gongzheng and Gongyang) communication, 6-way PNP (common negative and common cathode) communication, 8-way NPN (Gongzheng and Gongyang) communication, 8-way PNP (common negative and common negative) communication