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IBM 3872 MODEM SPECIFICATIONS
17 inches (43,2 cm)
'
12 inches ( 3 0 , 5 c m ) 1 1
12 inches (30,5 cm)
1
cm)
-r--
II
I I
£ 8 inches (20,4 cm)
f-
-~----f-
-<tJ--
6
8
--+-
r
I
3872
?
22 inches (55, 9 cm)
I
I
l
0---
---©- -
-
(mounted flat or in racks)
Scale 1/4 inch
=
I foot
1-
17
;~h"
(43,2
om)
~
6 inches (15,3 cm)
La
inches (20,4 cm)
-1~--•I-
19 inches (48,3 cm)
(rack-mounted)
Scale 1/4 inch
=
I foot
Front View
Dimensions:
Inches
Centimeters
Front
17
43,2
Side
22
55,9
Installation Planning
Height
6
<
15,3
Service Clearances (mounted flat or in racks):
Right
Left
Rear
Above
(mounted in
standard racks)
Inches
12
12
8
8
Centimeters
30,5
30,5
20,4
20,4
Weight (maximum):
57 lbs; (26 kg)
Heat Output:
185 Btu/hr (46.6 kcal/hr)
Air Flow:
Natural convection only. A clearance of at
least 2 inches ( 5 ,08 cm) is required at the
sides and at the rear, for cooling.
Environment:
Temperature
(dry bulb)
Temperature
(wet bulb)
Humidity
Power On 50°-110°F
85°F (29.4°C) max. 8%-80%
(I0°-43.3°C)
Power Off 50°-125°F
85°F (29.4°C) max. 8%-80%
(10°-5 I.6°C)
Shipment
40°-140°F
5%-100%*
(-40° -60°C)
*Condensation, not precipitation or immersion
Power Requirements:
Volts
kVA
Phase
60Hz
100, 115, 200,
208, or 230
0.06
Branch Circuit (amperes) 15
50 Hz
100, 110, 123.5'
200,220,or235
0.06
15 (maximum)
Nominal current (amperes): 0.67 at 115V
Installation Planning
3-9
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