Avaya B5800 User Manual Page 44

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Wall mounting space requirements
The control unit can be wall mounted if not using any external expansion modules. A wall
mounting kit is required in addition to 4.5mm fixings suitable for the wall type. A clearance of
500mm around the control unit is required. See
Wall mounting on page 59 for more
information.
Rack space requirements
The B5800 Branch Gateway control unit and external expansion modules can be rack mounted
into standard 19-inch rack systems. Each unit requires a 2U slot space within the rack. Rack
mounting requires a rack mounting kit for each control unit and external expansion module.
See
Rack mounting on page 61 for more information about the rack mounting kit.
Where B5800 Branch Gateway systems are being rack mounted, the effect of conditions within
the rack cabinet must be considered. For example the rack temperature may be above the
room temperature and airflow within the rack will be restricted. The environmental
requirements for the individual control unit and expansion modules are still applicable inside
the rack cabinet.
Barrier box rack mounting kit
The barrier box rack mounting kit must be used for out-of-building analog phone extensions.
This bracket allows up to 8 barrier boxes to be rack mounted and simplifies the number of
connections to the protective ground point in the rack. This kit must be used when more than
3 barrier boxes are in use and supports a maximum of 16 barrier boxes for a single external
expansion module.
Installation requirements
44 Implementing the Avaya B5800 Branch Gateway November 2011
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