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Managing Power over Ethernet (PoE) Understanding Priority Disconnect

OmniSwitch 6400 Series Hardware Users Guide July 2010 page 5-11

Priority Disconnect is Disabled

Note. Priority disconnect examples are applicable only when there is inadequate power remaining to

power an incoming device.

When priority disconnect is disabled, power will be denied to any incoming PD, regardless of its port

priority status (i.e., low, high, and critical) or physical port number (i.e., 1–24).

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OmniSwitch 6400 Series 1
Hardware Users Guide 1
Contents 3
About This Guide 9
Unsupported Platforms 10
Who Should Read this Manual? 11
What is in this Manual? 11
What is Not in this Manual? 11
Documentation Roadmap 12
Related Documentation 14
Technical Support 15
1 OmniSwitch 6400 Series 17
Availability Features 19
Hot Swapping 20
Hardware Monitoring 20
2 OmniSwitch 6400 Series 21
Chassis and Hardware 21
Components 21
OmniSwitch 6400-24 Rear Panel 23
OS6400-24 Specifications 24
OS6400-P24 Specifications 27
OS6400-U24 Specifications 30
OS6400-U24D Specifications 33
OmniSwitch 6400-48 34
OmniSwitch 6400-48 Rear Panel 35
OS6400-48 Specifications 36
OS6400-P48 Specifications 39
LED Status Indicators 40
PS-510W-AC Power Supply 42
PS-510W-AC-E Power Supply 43
PS-360W-AC Power Supply 44
PS-360W-AC-E Power Supply 45
PS-126W-AC Power Supply 46
PS-120W-DC Power Supply 47
126W AC Internal Power Supply 48
120W DC Internal Power Supply 48
Power Supply Shelf 49
AC Power Cords 50
DC Power Specifications 51
Console Port 52
Port Pinouts 54
3 Mounting OS6400 57
Switches 57
Reduced Air Flow 58
Mechanical Loading 58
Circuit Overloading 58
Reliable Earthing 58
Airflow Recommendations 59
Fan Speed Control 60
Installation Overview 61
Tabletop Installation 62
Next Steps 63
Rack-Mount Installation 64
Recommended Cabling Patterns 66
Cabling Steps 67
Installing Power Supplies 69
Rack Mounting Power Supplies 71
Redundant 510W-PoE 73
AC Power Supply Connections 75
DC Power Supply Connections 76
DC Power Source 78
OS6400 Power Supply 78
Hot-Swapping Power Supplies 79
4 Booting OmniSwitch 6400 81
Series Switches 81
Monitoring the Chassis 83
Checking the Fan Status 84
5 Managing Power over 85
Ethernet (PoE) 85
Power over Ethernet Defaults 89
Disabling PoE 90
Setting Port Priority Levels 91
Disabling Priority Disconnect 93
Enabling Priority Disconnect 93
6 Managing OmniSwitch 99
6400 Series Stacks 99
In This Chapter 100
Roles Within the Stack 101
Using the Chassis MAC Address 104
Using Saved Slot Information 105
Using Switch Uptime 106
Idle Module Role 109
Pass-Through Mode 110
Stack Redundancy and Failover 114
Slot Numbering 116
Manual Slot Number Assignment 119
Merging Stacks 122
Reloading Switches 123
-> reload primary 124
-> reload secondary 125
-> reload ni 3 127
-> reload all 128
Avoiding Split Stacks 130
-> takeover 131
Monitoring the Stack 134
Management Modules 135
A Regulatory Compliance 137
产品说明书附件 138
Statement 140
Standards Compliance 141
FCC Class A, Part 15 142
Canada Class A Statement 142
CISPR22 Class A warning 142
Translated Safety Warnings 144
Installation Warning 145
Lithium Battery Warning 146
Operating Voltage Warning 146
Power Disconnection Warning 147
Wrist Strap Warning 149
Clase de seguridad 151

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