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HP AA-RSTZB-TE Installation Manual: Sfp Transceivers; Cooling Fans; Power Supplies; Edge Switch 2/32 (rear View)

Edge switch 2/32.
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2
1
Cooling fan (4)
2
Power supply (2)
Figure 1–3: Edge Switch 2/32 (Rear View)

SFP Transceivers

A single-mode or multi-mode fiber-optic cable attaches to a port through a pluggable
small form factor (SFP) transceiver. The SFP provides a duplex LC interface, and can
be detached from the switch port for easy replacement. Two fiber-optic transceiver
types are available:
Shortwave laser — Shortwave laser SFPs provide short-distance connections (2
to 500 meters) through 50-micron or 62.5-micron multi-mode fiber.
Longwave laser — Longwave laser SFPs provide long-distance connections (up
to 10 kilometers) through 9-micron single-mode fiber.

Cooling Fans

Four fans (each a separate FRU) provide cooling for the switch power supplies and the
control processor (CTP) card, as well as redundancy for continued operation if a
single fan fails.
Each fan FRU can be replaced while the switch is operating.

Power Supplies

Redundant, load-sharing power supplies step down and rectify facility input power to
provide 3.3 volts direct current (VDC), 5 VDC, and 12 VDC to the CTP. The power
supplies also provide input filtering, overvoltage protection, and overcurrent
protection. Either power supply can be replaced while the switch is operational.
edge switch 2/32 installation guide
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3
2
3
Power switches on power supplies
(2)
Introduction
1–7

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