# # Access.Bus Pinout. # # Connector: 4-Pin Modular # Cable: 18 AWG, Shielded (host ground only), Max. 1000pF # 1|Gnd (Blk/26AWG) 2|SDA (Grn/28AWG) 3|+5v (Red/26AWG) 4|SCL (Wht/28AWG)