Chapter 5 Checking the installation prerequisites 87BCM200/400 4.0 Installation and Maintenance GuideChapter 5Checking the installation prerequisitesRefer to the following sections for information on BCM system installation prerequisites:• “General requirements”• “Environmental requirements”• “Electrical requirements”• “Site telephony wiring requirements” on page 88• “System equipment, supplies, and tools” on page 89General requirementsBefore you install the BCM main unit or expansion unit, complete the following actions:• Determine the location for the BCM main unit (or expansion unit), telephones, and otherequipment based on spacing and electrical requirements.• Order the required trunks from the central office.• Ensure that you have all the equipment and supplies you need to install the system.Environmental requirementsEnsure you meet the installation environmental requirements. The installation area must be:• a minimum of 4 m (13 ft.) from equipment such as photocopiers, electrical motors, and otherequipment that produces electromagnetic, radio frequency, and electrostatic interference• within 1.5 m (5 ft.) of a three-wire grounded electrical outlet• clean, free of traffic and excess dust, dry, and well ventilated• within the temperature ranges of 10°C and 40°C (50°F and 104°F)• between 20% and 80% non-condensing relative humidity• structurally strong enough and with enough space to support the BCM units• a minimum of 46 cm (18 in.) from the floorNote: The installation area must be of sufficient height from the floor to prevent waterdamage.
