Nortel Passport 15000 Operating instructions

Passport 15000, 20000
Site Requirements and
Preparation Guide
241-1501-205

Passport 15000, 20000
Site Requirements and Preparation Guide
Publication: 241-1501-205
Document status: Standard
Document version: 5.2S2
Document date: February 2004
Copyright © 2004 Nortel Networks.
All Rights Reserved.
Printed in Canada
NORTEL NETWORKS, the globemark design, the NORTEL NETWORKS corporate logo, and
Passport are trademarks of Nortel Networks.
ADC is a registered trademark of ADC Telecommunications, Inc.
AMP, MATE-N-LOK, and Z-PACK are trademarks of AMP of Canada, Ltd.
Astec, Helios, MFA150, and Advanced Power Systems are trademarks of Astec Advanced Power
Systems. EdgeLink is a trademark of Telco Systems.
VT100 is a trademark of Digital Equipment Corporation.

5
Passport 15000, 20000 Site Requirements and Preparation Guide 5.2S2
Publication history
March 2004 5.2S2 Standard
General availability. Contains information on Passport 15000 and
Passport 20000 for the PCR5.2 release.

6Publication history
241-1501-205 5.2S2

7
Passport 15000, 20000 Site Requirements and Preparation Guide 5.2S2
Contents
About this document 15
Who should read this document and why 15
What you need to know 15
What’s new in this document 16
16-port OC-3/STM-1 POS and ATM FP with PEC NTHW44 17
An additional version of the lower and upper cooling units 17
Enclosing a NEBS 2000 frame with doors and side panels 18
Voice services processor 3 with optical TDM interface
(2pOC3ChSmIrVsp3) 18
Y-protection for dual 16-port OC-3/STM-1 POS and ATM FPs 18
Related documents 19
How to get more help 19
Chapter 1
Safety information 21
Personal safety 22
Safe equipment handling 23
Moving the frame safely 24
Avoiding equipment damage from static electricity 24
Installing the switch safely 26
Storing and transporting circuit cards 28
Compliance with electrical and safety standards 28
Chapter 2
Planning considerations 29
Task flow of planning considerations 29
Task flow navigation 31

8Contents
241-1501-205 5.2S2
Adding a switch to an anchored NEBS 2000 frame 32
Assess air filter maintenance 33
Assess cable management 35
Task flow of cable management assessment 35
Determining your cable density 37
Managing high-density cabling 40
Managing low-density cabling 42
Managing very high-density coax cabling 43
Placing a fiber management unit for cable slack 45
Using custom-made processor card or system cables 47
Assess environmental requirements 49
Operational environment 49
Power dissipation 51
Bulk heat dissipation 52
Prerequisites for your earthquake zone and application 53
Assess power cable location 54
Ceiling requirements 54
Flooring requirements 54
Assess the location of a Passport 15000 or 20000 55
General guidelines for placing the equipment 55
Equipment size and weight 58
Front and rear access to switch hardware 72
Assess the location of a system of ac rectifiers 74
Assess the locations of peripheral equipment 76
Choosing the user interface equipment 76
ChoosingthenetworkmanagementcomputerforaPassport 15000
or 20000 77
Deciding where to place local user interface equipment 78
Deciding where to place a sparing or a fanout panel 78
Deciding where to place interworking equipment 80
Interworking with an EdgeLink 100 80
Interworking with a Shasta 5000 82
Deciding which external BIP alarms to connect 82
Using a connection to a gigabit Ethernet port on NTHW84 83
Assess spare parts storage and selection 83

Contents 9
Passport 15000, 20000 Site Requirements and Preparation Guide 5.2S2
Spare processor cards 84
Spare cooling units or cooling unit parts 84
Kits of spare parts for a Passport 15000 or 20000 85
Assess timing requirements 85
Plan for the use of an equivalent mounting apparatus 87
Dimensions and weight rating for the alternate rack 88
Rack and cabinet specifications 88
Electromagnetic compatibilities for an alternative mounting
apparatus 91
Cooling considerations 91
Preparing your site’s source of power 93
Grounding the switch hardware 93
Chapter 3
Site preparation 95
Task flow of site preparation 95
Task flow navigation 95
Before you begin 96
Safety precautions 96
Tools and equipment required 96
Using the NEBS floor template 97
Raised floor openings for processor cables 99
Preparing the floor for anchor holes 101
Task flow of preparing the floor 101
Checking the floor 104
Common procedure used for drilling any floor 105
When adding extended cable management brackets to a NEBS 2000
frame 111
When adding a door to a NEBS 2000 frame 111
Marking the footprint and the anchor holes on the floor 112
When anchoring NEBS 2000 frames side-by-side 116
When anchoring ac rectifiers near a Passport 118
Chapter 4
Power and grounding preparation 119
Power architecture 120

10 Contents
241-1501-205 5.2S2
Passport 15000-VSS power architecture 121
Power requirements 121
Redundant power feeds 122
Power input through tapping a main 122
Power input from a system of ac rectifiers 123
Passport 15000-VSS power requirements 125
Power distribution and consumption 125
Sample calculation of maximum input current 130
Passport 15000-VSS power distribution 131
Preparation for installing power and ground cables 131
Allowing for voltage drop over distance 133
About restricted and non-restricted sites 135
Labeling the power feeds in CPE or a CO 136
Grounding the frame in CPE or a CO 138
Grounding when not using a NEBS 2000 frame 141
Grounding when using ac rectifiers as a power source 141
Prerequisites to installing dc power input cables 141
Power cable specifications 143
Power cable specifications for a fully provisioned shelf 144
Power cable specifications for a partially provisioned shelf 146
Power cable specifications with a polyvalent assembly 147
Power cable specifications with an ETSI assembly 149
Power cable specifications when using ac rectifiers 152
Power and ground cabling overview 153
Grounding topologies 153
General grounding rules for IBN and CBN topologies 156
Grounding the frame and communication links 157
Grounding a Passport 157
Grounding the communication links 157
Chapter 5
Standards and compliance considerations 159
Product safety/regulatory 160
Grounding standards 161
Powering standards 161