Hardware Installation
1. Make a note or take a picture of your unit's serial number before you begin the
installation. The serial number is located underneath the EX Controller casing.
2. Unpack the controller and go through the Package Checklist on page 22.
3. Apply the polyurethane self-adhesive black cylindrical bumper protective products to
the bottom of the controller. This will improve the airflow under the controller.
Note:
Skip this step if you are installing the controller in a rack.
4. Install the controller on a flat surface or in a rack, making sure that the unit is at 20 cm
(8 in.) from your monitor, computer casing, or other peripheral, including speakers.
3.7 Installing Telephony Cards
To install telephony cards:
1. Ensure that adequate earth ground connection has been made between the grounding
screw on the back of the controller and an appropriate grounding point in your site.
Warning:
Adequate earth ground connection of the controller is mandatory to avoid any
damage or injuries.
2. Wear an ESD wrist strap, ensuring that it makes good contact with bare skin.
3. Attach the ESD wrist strap end to an earth ground (grounding screw on the back of the
controller or unpainted bare metal spot of a grounded equipment rack).
4. Turn off the power switch of the controller.
Note:
Redundant power supply units do not have a power switch.
25 EX Controller Installation and Administration Guide
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