1 – frame assembly, 48u 42u – Tripp Lite SREXTENDER User Manual
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3
48U
42U
A
A
B
B
C
C
D
D
M
F
M
M
E
M
M
E
G
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1 – Frame Assembly
(continued)
(For	25U	enclosures,	skip	this	step.)	Align	the	set	of	four	screw	
holes in the lower left vertical section 
A
and the upper left
vertical section
C
. Use the lower set of screw holes for 48U
enclosures	(this	will	make	the	vertical	section	longer).	Use	the	
upper	set	of	screw	holes	for	42U	enclosures	(this	will	make	the	
vertical	section	shorter).	Insert	four	M5	x	10	mm	screws	and	
washers 
M
and tighten securely. (Start all the screws before
tightening.) Repeat for the lower right vertical section
B
and the
upper right vertical section
D
.
Insert the lower end of the left vertical section into the 
bottom section 
F
as shown. Align the screw holes, insert four
M5 x 10 mm screws and washers
M
and tighten securely. (Start
all	the	screws	before	tightening.)	Repeat	this	step	for	the	right	
vertical section.
Insert the upper end of the left and right vertical sections into the 
top section 
E
. Align the screw holes, insert eight M5 x 10 mm
screws and washers
M
and tighten securely. (Start all the screws
before tightening.)
Insert the 1U blanking panels
G
into the top section
E
.
Each	blanking	panel	will	snap	into	place	with	the	Tripp	Lite	logo	
facing	outward.	The	blanking	panels	may	be	removed	to	install	
standard	19-inch	rack	accessories	up	to	3U	–	contact	Tripp	Lite	
for more information.
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