Overview34ANSI Hardware Installation Manual3HH-12893-AAAA-TCZZA Issue: 09DRAFT2.2 Installation environment requirementsIt is necessary for 7360 ISAM FX and 7360 ISAM WM shelves to be installed inGR-3108-CORE Class 1 Controlled Environments or Class 2 Protected EquipmentOutside Environments, such as specific buildings or structures, to ensure reliableequipment operation.2.2.1 General information on GR-3108-CORE Class 1 andClass 2 environmentsEquipment placed in GR-3108-CORE Class 1 environments is designed to beprotected from direct exposure to weather and environmental stresses.A Class 1 environment location usually has the active means of controlling thetemperature within its defined space, and to maintain a preset temperature range.This control may be achieved through thermostat-controlled fans, refrigeration units,heat exchangers, coolers, or heaters.Table 3 shows examples of what would or would not qualify as a Class 1 controlledprotected environment.Table 3 Class 1 controlled protected environmentsThe 7360 ISAM FX and 7360 ISAM WM equipment is designed to comply withGR-3108-CORE Class 2 operating, storage, humidity, altitude, and fire resistancerequirements when installed in an OSP environment.Danger — EMC/ESD requirements.Ensure that the EMC/ESD conditions meet GR 1089 CORE[35], GR-499-CORE [37].Follow the antistatic procedures when handling units.Most 7360 ISAM FX plug-in units and powered equipmentcontain devices susceptible to electrostatic discharge (ESD)that can damage circuitry in unconnected conditions.Correct example of a Class 1 controlled protectedenvironmentIncorrect example of a Class 1 controlled protectedenvironmentA weather-protected, flood-resistant roofed structurewith closed, protective walls, and having activetemperature and humidity control.A roofed structure with open walls.
