Black Box RM390A-R2 User manual

1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax [phone]
© Copyright 2008. Black Box Corporation. All rights reserved.

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 [phone]
Mailing address: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018
Web site: www.blackbox.com • E-mail: [email protected]
CUSTOMER
SUPPORT
INFORMATION
JULY 2008
RM390A-R2
RM391A-R2
RM392A-R2
19" Steel Distribution Racks

19" STEEL DISTRIBUTION RACKS
1
TRADEMARKS USED IN THIS MANUAL
BLACK BOX and the Double Diamond logo are registered trademarks of BB Technologies, Inc.
Any other trademarks mentioned in this manual are acknowledged to be the property of the trademark owners.

19" STEEL DISTRIBUTION RACKS
2
Specifications
RM390A-R2 (47U) RM391A-R2 (40U) RM392A-R2 (20U)
Overall Height 86.5" (219.7 cm) 74.3" (188.6 cm) 39.3" (99.7 cm)
Interior Mounting-Area Height 82.4" (209.4 cm) 70.1" (178.3 cm) 35.2" (89.4 cm)
Exterior Width 21.2" (53.8 cm) 21.2" (53.8 cm) 21.2" (53.8 cm)
Interior Width 17.8" (45.1 cm) 17.8" (45.1 cm) 17.8" (45.1 cm)
Hole-to-Hole Centers 18.3" (46.5 cm) 18.3" (46.5 cm) 18.3" (46.5 cm)
Base Depth 21" (53.3 cm) 21" (53.3 cm) 21" (53.3 cm)
Rack Units High — RM390A-R2: 47; RM391A-R2: 40; RM392A-R2: 20
Weight — RM390A-R2: 50 lb. (22.7 kg); RM391A-R2: 40 lb. (18.1 kg); RM392A-R2: 32 lb. (14.5 kg)
Package Contents
Below is a list of everything you should have received when you ordered your 19" Steel Distribution Rack. If
anything is missing or damaged, please call [phone].
• (1) base
• (2) side channels (one for the left, one for the right)
• (2) top cross support channels
• (2) or (4) corner gussets; (2) for 20U racks, (4) for 40U and 47U racks
• (1) hardware pack for attaching panels to the rack. This pack contains (50) 10-32 x 3⁄4large panhead
slotted, plated screws for 20U rack and (100) 10-32 x 3⁄4large panhead slotted, plated screws for 40U and
47U racks.
• (1) hardware pack for assembling the rack. This pack contains (20) panhead screws and (20) hex nuts for
20U racks, and it contains (30) screws and (30) hex nuts for 40U and 47U racks.
• This users’ manual

19" STEEL DISTRIBUTION RACKS
3
Assembling the Rack
NOTE
Finger-tighten any nuts or screws when assembling the rack. Once the entire rack is
assembled, use a screwdriver or wrench to completely tighten all nuts and screws.
1) Find the base and place it on the floor.
2) Attach the right side channel with the panhead slotted screws and the hex nuts.
3) Attach the left side channel with the panhead slotted screws and the hex nuts.
4) Attach the top cross supports with the panhead slotted screws and the hex nuts.
5) Attach the corner gusset supports (either 2 or 4, depending which model you have; see the specifications)
with the panhead slotted screws and the hex nuts.
6) If you’d like to attach panels to the Rack, use the included 10-32 x 3⁄4large panhead slotted, plated screws.