3Com 5017C-LS, 5017C with load sharing installation and operation guide Maintenance

Location Requirements	. 2-4
Ventilation	. 2-4
Power Requirements	. 2-5
Rack Mount Installation Requirements	. 2-5
Table Top Installation Requirements	. 2-6
Installation	. 2-6
Installing the Cable Tray	. 2-7
Cable Tray Rack Mounting	. 2-8
Cable Tray Table Mounting	2-10
Installing the ONline System Concentrator	2-11
Rack Mounting the ONline System Concentrator	2-11
Table Top Mounting the ONline Concentrator	2-13
Installing the Backup Power Supply (Optional)	2-14
Selecting the Power Supply Voltage	2-17
Installing ONline Modules	2-19
Connecting Network Cables	2-19
Power Up and Verification	2-20
Fan Operation Verification	2-21
Power Supply Operation Verification	2-21
Technical Assistance	2-25
Where To Go From Here	2-26

Chapter 3 — Maintenance

Routine Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

Replacing the Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

Replacing the Fan Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7

ONline Module Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9

Other System Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9

Appendix A — Specifications

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1

Environmental . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1

Mechanical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2

Power Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2

Regulatory Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2

Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-3

vi ONline 17-Slot System Concentrator Installation and Operation Guide