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ST950 Plus+ User Manual
ST950 Plus+ User Manual
Page 43 of 176
667/HE/53000/000
Issue 2
Unrestricted
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Figure 20 - Double stacked connector pin numbering
3.8.4
Links, Switches and Fuses
Before the controller is switched on, the switches and links on the CPU Card must be checked to
ensure they are set correctly. Also, the firmware should be checked to ensure that the correct
version (as specified on the IC4 printout) is loaded.
Link Functions
PL18 - Enable Remote Reboot
This link must be in place to enable the remote reboot function. If the user does not wish this
function to be available, the link should be removed.
PL17 - RTC Backup capacitors - This link should always be in place.
Switch Functions
S1
–
Level 3 push button
–
used to gain level 3 access on the controller.
S2
–
Program push button used to invoke the programming sequence to update firmware and/or
controller configuration. This button is only active when the lamps are switched off.
S3
–
Enable Fail Flash switch. To make use of this feature the controller is required to be
configured correctly.
S4
–
Reset EFC push button. This push button is reserved for engineering use and should NOT be
pressed.
3.8.5
Parts
ST950 Plus+ CPU Card (128M RAM) 667/1/46010/101