RM231A-R3
RM232A-R3
RM233A-R3
RM234A-R3
RM235A-R3
RM334A-R3
RM335A-R3
RM336A-R3
RM433A-R3
RM434A-R3
RM435A-R3
RM436A-R3
12U, 20U, and 26U Wallmount Cabinets
Save space with these 12U, 20U, or 26U wallmount
BLACK BOX
cabinets.
®
Choose from two front-to-back depths: 20"D or 26"D.
Customer
Support
Information
Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S. call 724-746-5500)
FREE technical support 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746
Mailing address: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018
Web site: www.blackbox.com • E-mail: [email protected]
Chapter 1: Specifications
1. Specifications
Construction — Heavy-duty 14- and 16-gauge steel; textured finish with powder-coat paint
B
C
D
A
Figure 1-1. Cabinet dimensions.
Table 1-1. Cabinet dimensions.
Rack Space
Part Number
12U Cabinets (24")
RM334A-R3,
RM335A-R3
RM232A-R3,
RM233A-R3
20U Cabinets (37")
RM433A-R3,
RM434A-R3
RM435A-R3,
RM436A-R3
26U Cabinets (48")
RM231A-R3,
RM336A-R3
RM234A-R3,
RM235A-R3
(A) Overall Width
21.26" (54 cm)
21.26" (54 cm)
21.26" (54 cm)
(B) Overall Height
23.63" (60 cm)
37.64" (95.6 cm)
48.62" (123.5 cm)
(C) Inside Depth
14.15" (35.9 cm)
20.15" (51.2 cm)
14.15" (35.9 cm)
20.15" (51.2 cm)
14.15" (35.9 cm)
20.15" (51.2 cm)
(D) Overall Depth
20.15" (51.2 cm)
26" (66 cm)
20.15" (51.2 cm)
26" (66 cm)
20.15" (51.2 cm)
26" (66 cm)
Maximum Rail Depth
12.82" (32.6 cm)
19.37" (49.2 cm)
12.82" (32.6 cm)
19.37" (49.2 cm)
12.82" (32.6 cm)
19.37" (49.2 cm)
Weight Capacity
Weight
Page 2
150 lb. (68.1 kg)
75 lb. (34 kg)
250 lb. (113.6 kg)
89 lb. (40.4 kg)
93 lb. (42.2 kg)
109 lb. (49.4 kg)
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300 lb. (136.4 kg)
111 lb. (50.3 kg)
130 lb. (59 kg)
Chapter 2: Overview
2. Overview
2.1 Description
These wallmount cabinets are the perfect solution when space is a problem. Choose from three sizes (12U, 20U, or 26U) and two
front-to-back depths (20"D or 26"D). The 10-32" tapped holes in the mounting rails (four are included) provide a secure fit for a
wide variety of rackmount items. The cabinet’s durable frame is made of 14- and 16-gauge steel with a textured finish and black
or ivory powder-coat paint.
2.2 Features
•C
able access — The rear section provides (6) [(3) top and (3) bottom] 2.5" diameter openings and (4) 1" diameter openings [(2)
top and (2) bottom].
• Vented side panels provide extra ventilation and mounting for fans, filters, and blanking panels.
• Front and rear locking doors provide security for expensive equipment.
• Wallmounting keyholes are spaced at 16" to match standard stud locations.
• 10-32 tapped rails
2.3 Available Models
Table 2-1. Available models.
Product Code
Product Name
RM335A-R3
Wallmount Cabinet, 12U, 23.63"H x 20"D, Black
RM334A-R3
Wallmount Cabinet, 12U, 23.63"H x 20"D, Ivory
RM232A-R3
Wallmount Cabinet, 12U, 23.63"H x 26"D, Black
RM233A-R3
Wallmount Cabinet, 12U, 23.63"H x 26"D, Ivory
RM433A-R3
Wallmount Cabinet, 20U, 37.64"H x 20"D, Black
RM434A-R3
Wallmount Cabinet, 20U, 37.64""H x 20"D, Ivory
RM435A-R3
Wallmount Cabinet, 20U, 37.64""H x 26"D, Black
RM436A-R3
Wallmount Cabinet, 20U, 37.64""H x 26"D, Ivory
RM336A-R3
Wallmount Cabinet, 26U, 48.63"H x 20"D, Black
RM231A-R3
Wallmount Cabinet, 26U, 48.63"H x 20"D, Ivory
RM234A-R3
Wallmount Cabinet, 26U, 48.63"H x 26"D, Black
RM235A-R3
Wallmount Cabinet, 26U, 48.63"H x 26"D, Ivory
Page 3
Chapter 2: Overview
2.4 What’s Included
• (1) wallmount cabinet
• (50) 10-32 mounting screws
• (2) sets of keys
• (6) 2.5" rubber grommets
• (4) 1" plastic caps
• This user’s manual
2.5 Accessories
• Fan Tray (RM4002A)
• Filter Panel (RM4003A)
• Blanking Panel (RM4004A)
2.6 Mounting Templates
15.75" (40 cm)
16" (40.6 cm)
Rear view
Figure 2-1. Mounting template for 12U cabinets.
Page 4
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Chapter 2: Overview
29.92" (76 cm))
16" (40.6 cm)
Rear view
Figure 2-2. Mounting template for 20U cabinets.
35.43" (90 cm)
16" (40.6 cm)
Rear view
Figure 2-3. Mounting template for 26U cabinets.
Page 5
NOTES
Page 6
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NOTES
Page 7
Black Box Tech Support: FREE! Live. 24/7.
Tech support the
way it should be.
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About Black Box
Black Box provides an extensive range of networking and infrastructure products. You’ll find everything from cabinets and racks
and power and surge protection products to media converters and Ethernet switches all supported by free, live 24/7 Tech support
available in 60 seconds or less.
© Copyright 2014. Black Box Corporation. All rights reserved. Black Box® and the Double Diamond logo are registered trademarks of BB Technologies, Inc.
Any third-party trademarks appearing in this manual are acknowledged to be the property of their respective owners.
RM231A-R3, version 2
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