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Extreme Networks Consolidated Hardware Guide 141

8 Alpine 3800 Series Switch

Power Supplies

This chapter describes:

• Installing the Alpine 3808 and the Alpine 3804 AC Power Supply on page 142

• Removing the Alpine 3808 and the Alpine 3804 AC Power Supply on page 145

• Supplying Power to the Alpine 3802 AC Power Supply on page 146

• Installing the Alpine 3808 and the Alpine 3804 DC Power Supply on page 147

• Removing the Alpine 3808 and the Alpine 3804 DC Power Supply on page 151

• Supplying Power to the Alpine 3802 DC Power Supply on page 152

NOTE

Read the information in this chapter thoroughly before you attempt to install, remove, or supply power to

any Alpine power supply.

The Alpine 3800 series chassis accommodates two power supplies: AC and DC. If two power supplies

are installed in the switch, both installed power supplies must be of the same type. The AC power

supplies auto-sense for 110 VAC and 220 VAC power. The DC power supplies require -48 VDC nominal

input line voltage. When two power supplies are present, the power is load-shared between the

supplies for enhanced longevity.

The power supplies for the Alpine 3808 are inserted into the front of the chassis. The power supplies for

the Alpine 3804 are inserted into the lower rear of the chassis. The Alpine 3802 power supplies are

preinstalled at the factory and are not user-removable. Table 37 describes the supported power supplies

for the Alpine 3800 series switch.

Table 37: Supported power supplies for the Alpine 3800 series switch

Switch Model AC Power Supply DC Power Supply Hot-swappable

Alpine 3808

Up to two AC power

supplies can be installed.

Up to two DC power

supplies can be installed.

Yes

Alpine 3804

Up to two AC power

supplies can be installed.

Up to two DC power

supplies can be installed.

Yes

Alpine 3802

Up to two AC power

supplies can be installed.

Two DC power supplies

must be installed.

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Extreme Networks WM-4T1i Spécifications Page 141