Hp procurve J8164A Uživatelský manuál stáhnout pdf (Strana 22)

3-6

Planning

Planning Your PoE Configuration

Planning

With an HP 600 RPS/EPS Powering One Switch

■ The lowest loaded bank of ports (1-24 or 25-48) has 38 watts reserved.

That power is available for use by the two highest priority ports in the

bank, (in a default configuration ports 1 and 2, or 25 and 26).

Source of

Power

Watts

Available

# of Ports Powered and

Average Watts/Port

Redundant # of Ports

Powered and Average Watts/

Port

Internal PoE

Power

Supply

406 24 @ average 15.4 W each

48 @ average 8.45 W each

Internal plus

External PoE

Power

Supply

406 368

1 - 24 25 - 48

48 @ average 15.4 W each

External PoE

Power

Supply

(Failed

Internal PoE

Power

Supply)

368

(38 W is

reserved for

either 1-24 or

25-48)

24 @ average 15.4 W each

48 @ average 7.6 W each

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 31 32

PoE planning and 1
HP ProCurve 3
Publication Number 4
Applicable Products 4
Trademark Credits 4
Disclaimer 4
Warranty 4
Contents 5
Mitel 3300 IP PBX 8
Power Through the Cable 9
Introduction 10
Overview 10
Operating Rules 11
External Switch Power 12
Maximum PoE Power 13
Switch Port Priority 14
PD Power Classification 15
Switch Priority Class 15
Line Loss 15
Planning 17
Supported Products 18
Number of PDs per Switch 18
Second PoE Switch/Module 20
Infrastructure Requirements 26
Glossary 27
Index – 1 29
*5990-6045* 32

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