Nortel Passport 4430, Установка оборудования, Страница: 22 / 176

Installing the Passport 4400 Passport 4400 Hardware Installation Manual
2-6
If an AC power cord is supplied with your unit, the power cord should be one of
the following
• A molded three-prong power cord with an appropriate connector to
match the power outlet in your country, as shown in Figure 2-6 below.
• A power cord with a two-prong power connector and a green-with-yellow
stripe ground wire as shown in the examples in Figure 2-7 below. If the
power outlet is not grounded, contact an electrician to connect the
green-with-yellow stripe wire to a fixed earth grounding point.
Figure 2-6. Power cord — Grounded
Figure 2-7. Power cord — Ungrounded
To power the unit on, plug the power cord supplied with your unit into the back
of the chassis and into an appropriately grounded three-pin wall outlet.
Three-wire power cord
Typical
connector
Green with Yellow Stripe
Ground Wire
To a Fixed Earth
Ground Point
Two Prong Power Connector
Two-wire
Power Cord
<0.5 ohm
Three-wire
Power Cord
Two prong power connector
To a Fixed Earth
Ground Point
Green with Yellow Stripe
Ground Wire
<0.5 ohm