Personal safety and equipment protection 19
•Ensure that your environment meets the requirements for temperature, humidity, and cleanliness. See “Environmental requirements” (page 61).
•Do not overtighten thumb screws or lug nuts. Tighten screws and nuts until they are snug, plus a quarter turn. If you use a power tool to tighten screws, use a low torque setting of 2 to 3
Cables and connectors protection
The following practices prevent damage to cables and connectors:
•Use caution when connecting cables. Take care to ensure you insert each cable connector in the correct port for the purpose you intend. For example, ensure you connect LAN cables and connectors to LAN ports on the Secure Router 4134.
•Support cables to prevent any stress on the connectors. If you have a
•Do not exceed the bend radius recommended for the type of cable installed.
•
—Cover connectors with rubber safety plugs when they are not connected.
—Before you install or replace
—Do not exceed the bend radius that is recommended for
Electrostatic discharge
Electrostatic discharge (ESD) is the transfer of charge between objects at different electrical potentials. ESD can change the electrical characteristics of a semiconductor device, and degrade or destroy it. ESD can cause equipment to malfunction or fail.
To dissipate or neutralize electrostatic charges, use proper grounding and use conductive or dissipative materials.
Nortel Secure Router 4134
Quick Start
18 February 2008