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HRB 109 and HRU 109 • Installation Guide
The Extron HRB 109 basic shelf and Extron HRU 109 shelf kit accommodate half-rack,
quarter-rack, and eighth-rack products in a half-rack width installation. The shelves can
accommodate a single device or combinations of smaller devices.
This installation guide describes how to
Secure A/V products to the shelf.
z
Secure A False Front Panel to the shelf (HRU 109 only).
z
z
Before Starting
Extron does not provide rails for the rack system. These must be purchased separately and
need to be installed (see the user guide provided by the supplier). The distance between
the rails must be half the standard rack width (8.85 inches or 22.48 cm) between the inside
edges of the rails (see the figure below).
1.75"
8.85"
10.5"
Figure 1.
Dimensions
You will also need a Phillips head screwdriver.
Included Parts
HRB 109 (Basic Shelf)
Half-rack shelf: 9.5 inches (24.1 cm) deep x 10.5 inches (26.7 cm) wide
(width not including mounting flanges 8.85 inches [22.5 cm])
(4) #10-32 rack shelf mounting screw with nylon captive cap washer
(8) #4-40 x 3/16 inch product mounting screw
HRU 109 (Shelf Kit)
Half-rack shelf: 9.5 inches (24.1 cm) deep x 10.5 inches (26.7 cm) wide
(width not including mounting flanges 8.85 inches [22.5 cm])
(4) #10-32 rack shelf mounting screw with nylon captive cap washer
(8) #4-40 x 3/16 inch product mounting screw
1/4-rack false faceplate
1/8-rack false faceplate
9.5"
1
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Table of Contents
Related Manuals for Extron electronics HRB 109
Summary of Contents for Extron electronics HRB 109
- Page 1 HRB 109 and HRU 109 • Installation Guide The Extron HRB 109 basic shelf and Extron HRU 109 shelf kit accommodate half-rack, quarter-rack, and eighth-rack products in a half-rack width installation. The shelves can accommodate a single device or combinations of smaller devices.
- Page 2 HRB 109 and HRU 109 • Installation Guide (Continued) Underwriters Laboratories Guidelines for Rack Mounting The following Underwriters Laboratories (UL) guidelines are relevant to the safe installation of products in a rack: Elevated operating ambient temperature — If a unit is installed in a closed or multi-unit rack assembly, the operating ambient temperature of the rack environment may be greater than room ambient temperature.
- Page 3 (2) 4-40 x 3/16" screws Use 2 mounting holes on opposite corners. Figure 2. Securing a Device to a Shelf Secure a False Front Panel TIP: It is easier to secure a false front panel to the shelf after securing the devices but before attaching the shelf to the rack.
- Page 4 HRB 109 and HRU 109 • Installation Guide (Continued) To mount the false front panel to the shelf, follow these instructions and see the figure below: Place the panel on the rack so that the two mounting holes in the base of the panel are aligned with two holes in the rack.
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