SYSBOXX MKII CONNECTION MODULES SYSBOXX MKII ground lift module Ground lift module with 4 pre-assembled ground lift switches on an imprinted panel to loop in flat cable systems. For assembly behind front panel SYFB23-8A or SYFB23-8D. ORDER-NO. DESCRIPTION SBC13-4GND-LIFT SYSBOXX-module 1 U, 3 WU (width unit), 4 x GND LIFT