Lucent Technologies MERLIN LEGEND Release 5.0 Pocket Reference page 28

Backboard Mounting Hardware Requirements
This refers to the types of wall construction to which the backboard will be
attached.
Type of material
Wood surface
Concrete surface, brick, cinder block
Plaster, plasterboard
Sheet-metal surface
Hardware has a combined pullout force of 650 lb. (294.8 kg). When
mounting to sheet-metal walls, attach to structural members.
Location
Within 5 ft. (1.5 m) of dedicated AC power outlet (1 plug per carrier)
Within 1000 cable ft. (304.8 m) of telephones
Heat Dissipation
Fully loaded basic carrier
Fully loaded 2-carrier system
(basic carrier with one expansion carrier)
Fully loaded 3-carrier system
(basic carrier plus two expansion carriers)
Power Requirements
Basic carrier
2-carrier
3-carrier
Temperature/Humidity Range
40 –104 F (4 –40 C)
20%–80% relative humidity
Ventilation Clearances
1 in. (2.5 cm) on right and left sides
Radio Frequency Interference, Tolerance
Electromagnetic Interference (EMI)
To reduce electromagnetic interference emissions (possible interference
problems with handheld telephones), check the date of manufacture of the
CPU (517A27) units. If they were manufactured before April 1993, replace
them with a later version.
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117 VAC 60 Hz -15% to 10%
117 VAC 60 Hz -15% to 10% 10.8A
117 VAC 60 Hz -15% to 10% 16.2A
Mounting Hardware
Wood screws
Masonry anchors
Toggle bolts
Sheet-metal screws
500 Btu/hr
1000 Btu/hr (70 cal/sec)
1500 Btu/hr (105 cal/sec)
5.4A
1.0 V/m
(35 cal/sec)