Title: +038=360.000-OU045T_05-PCD2.m4160 PLS SBC - User Manual.pdf
X1 – USB Device  .................................................................................. 4-2 X2 – Isolated RS-485 / MPI  ................................................................... 4-2 X3 – I/O Extension port  ......................................................................... 4-2 Expansion module holder  ...................................................................... 4-3 X4 – S-Bus / Watchdog / Power supply  ................................................ 4-5 X5 – Communication port Slot ‘A’  .......................................................... 4-5 X6 / X7 – Dual Ethernet (Switch)  .......................................................... 4-6 X8 – Digital interruptive inputs  .............................................................. 4-6 X9 – Communication port Slot ‘C’  ......................................................... 4-6 M1 – Memory Slot  ................................................................................. 4-6 BAT – Battery module slot