NEC SL2100 Hardware Manual page 39

ISSUE 4.0
Chapter 2. Installation
Section 1 INSTALLING THE MAIN & EXPANSION CHASSIS
1.1 Before Installing the Chassis
Please read following precautions carefully before installation.
1.1.1 General Precautions
• To avoid shock or equipment damage, do not plug in or turn the system power on before completing the
installation process.
• Avoid working with the Equipment during electrical storms.
• Use only commercial AC power to prevent shock or fire.
• Use the power cord supplied with the Chassis.
• Install batteries with the correct polarity to prevent damaging equipment.
• Never install telephone wiring during a lightning storm.
• Never install telephone jacks in wet locations unless the jack is specifically designed for wet locations.
• Never touch uninsulated telephone wires or terminals unless the telephone line is disconnected at the network
interface.
• To avoid damage, the Chassis should not be placed on unstable surfaces.
• To avoid damage the Plastic parts, never use an Electric Screw Driver to tighten the screws.
• To prevent overheating, do not bundle AC power cords together.
• Make sure the Chassis has proper Earth ground.
• If Expansion Chassis are installed, turn the power on/off in the following order: Expansion 2 Chassis, Expansion 1
Chassis and then Main Chassis
Not all boards are hot swappable. Do not remove or install from the chassis
when powering up.
1.1.2 Preparations
• The following tools will be required when installing hardware into an SL2100.
- Screw driver set
- Side cutters to cut out knockouts
- Pliers for removing daughter board stand offs
- Screw driver socket 5 mm for EXIFB-C1 board
• Make sure you have a building plan showing common equipment, extensions, the telecom demarcation, and earth
ground location. The installation site must meet the following site / environmental requirements.
INSTALLING THE MAIN & EXPANSION CHASSIS
SL2100
37