Page 62 of 536
Chapter 6 – Bracing cabinets against earthquakes
553-3121-210
Standard 3.0
January 1999
Bracing system cabinets
The following describes how to brace the cabinets.
1
Determine the size of the backboard.
A backboard large enough to accommodate all the wall-mounted
components is needed. Refer to the equipment layout plan for the site.
Note: An equipment layout plan should have been previously
completed. Refer to
“Equipment layout plan” on page 38
for further
details.
The backboard size should be within the following limits:
2
Determine fastener requirements
The following information is needed to determine fastener
requirements:
•
Type of fasteners needed.
•
The minimum embedment of the fasteners into the wall.
•
The vertical distance between fasteners.
•
The horizontal distance between fasteners.
•
For wood and metal stud walls, this requirement is determined
by the spacing between wall studs, which must be within the
following range:
•
The required wall stud sizes for wood and metal stud walls.
Backboard size
Minimum
2 ft by 6 ft (600 mm by 1800 mm)
Maximum
4 ft by 8 ft (1200 mm by 2400 mm)
Stud spacing
Minimum
16 in. (400 mm)
Maximum
24 in. (600 mm)
Содержание Meridian Meridian 1
Страница 3: ...553 3121 210 Standard 3 0 January 1999 ...
Страница 17: ...xiv Contents 553 3121 210 Standard 3 0 January 1999 ...
Страница 89: ...Page 70 of 536 Chapter 6 Bracing cabinets against earthquakes 553 3121 210 Standard 3 0 January 1999 ...
Страница 97: ...Page 78 of 536 Chapter 8 Installing a new system 553 3121 210 Standard 3 0 January 1999 ...
Страница 107: ...Page 88 of 536 Chapter 10 Installing the system ground 553 3121 210 Standard 3 0 January 1999 ...
Страница 113: ...Page 94 of 536 Chapter 11 Installing the power supply 553 3121 210 Standard 3 0 January 1999 ...
Страница 125: ...Page 106 of 536 Chapter 12 Adding an expansion cabinet 553 3121 210 Standard 3 0 January 1999 ...
Страница 139: ...Page 120 of 536 Chapter 13 Installing the circuit cards 553 3121 210 Standard 3 0 January 1999 ...
Страница 157: ...Page 138 of 536 Chapter 15 Installing and connecting SDI and Ethernet ports 553 3121 210 Standard 3 0 January 1999 ...
Страница 175: ...Page 156 of 536 Chapter 16 Starting up and testing the system 553 3121 210 Standard 3 0 January 1999 ...
Страница 209: ...Page 190 of 536 Chapter 18 Connecting the trunks 553 3121 210 Standard 3 0 January 1999 ...
Страница 323: ...Page 304 of 536 Chapter 21 Installing Hospitality 553 3121 210 Standard 3 0 January 1999 ...
Страница 419: ...Page 400 of 536 Chapter 23 Pre programmed data 553 3121 210 Standard 3 0 January 1999 ...
Страница 455: ...Page 436 of 536 Chapter 24 Changing pre programmed data 553 3121 210 Standard 3 0 January 1999 ...
Страница 555: ...Page 536 of 536 Chapter 25 Fault locating and clearing 553 3121 210 Standard 3 0 January 1999 ...