Chapter 2. Installation61200226L1-1 ATLAS_800PLUS User Manual 2-7OPTION SLOT ARRANGEMENTAs viewed from the rear of the ATLAS_800PLUS, the slots are numbered as shownin Figure 2-2. All slots are functionally identical except slots 7 and 8, which alsoaccommodate an optional power supply for redundancy.Figure 2-2. ATLAS_800PLUS Slot Designation (Rear View)INSTALLING MODULESAfter installing the base ATLAS_800PLUS unit and connecting the required cables,you can install modules. If you need instructions for installing a module, refer tothe User Manual for the module you want to install.POWER UP TESTING AND INITIALIZATIONAfter installing the base unit and any modules, the ATLAS_800PLUS is ready to bepowered up.When shipped from the factory, the ATLAS_800PLUS is set to factory default con-ditions. When you power up the unit, it automatically executes a memory selftest. You can run a full self test from the front panel and set a pass code (throughthe UTIL menu) and unit ID (through the CONFIG menu) from the front panel.See “Unit ID” on page 4-6 and “Set Passcode (Front Panel)” on page 4-8 fordetails.Self-TestUpon a power-up, the test LEDs light up and the LCD displays the messageMemory Test Now Testing. When the self test is complete with no failuresdetected, the OK LED lights up and the LCD momentarily displays All TestsPassed. If a failure is detected, a list of failures displays in the LCD window. Thefull self test procedure consists of the following steps:1. Board-level tests. The Controller contains an on- board processor whichexecutes a series of tests checking the circuitry on the board.2. RAM tests; EPROM checksum.3. TDM map tests.4. On-board data path. Sending a known test pattern through an on-boardloop.SLOT 1SLOT 2SLOT 3SLOT 4SLOT 5SLOT 6SLOT 7SLOT 8POWER SUPPLY
