Siemens 6ES71936AR000AA0 SIMATIC Bus Adapter. SIMATIC Bus Adapter, For Use With: ET 200SP Series Electronic Module, PROFINET, (2) RJ45 Sockets, (1) PROFINET Interfaces, 100 cu-m Conductor, 69.5 mm H x 20 mm W x 59 mm D. Additional Description: SIEM-6ES71936AR000AA0 SIMATIC_BUSADAPTER_PN_BA_2XRJ45. Catalog Description: SIMATIC busadapter ba 2x rj45, 2 rj45 sockets for PROFINET.