Lake Shore Model 321 Autotuning Temperature Controller User’s Manual6-2 Service,> ''(' ##**' 8K,6.16, ,%L>@B3,,,,50M, ,,5E,!!3N?B!++!++ !$C-321-6-1.epsFigure 6-1. Power Fuse Access6.3 REAR PANEL CONNECTOR DEFINITIONSThe Serial I/O, Analog Output, Sensor input, and Heater Output connectors are defined in Figures 6-2thru 6-5.654321SERIAL I/OC-321-6-2.epsPIN DESCRIPTION123456RS-232C In (RxD)RS-232C In (RxD)RS-232C GroundRS-232C GroundRS-232C Out (TxD)RS-232C Out (TxD)Figure 6-2. SERIAL I/O RJ-11 Connector Details