Environmental Specifications - AT&T MERLIN LEGEND Release 2.0 Pocket Reference Manual

Environmental Specifications

Control Unit
Fully loaded basic carrier
Fully loaded 2-carrier
Fully loaded 3-carrier
Mean Time Between Failures
(mean or average time the system is expected to
operate before any type of failure occurs)
Mean Time Between Outages
(mean or average time the system is expected to
operate before a failure affecting more than 25% of
extensions or lines for more than 15 seconds occurs)
Backboard
Without SYSTIMAX® 6' W x 3' H x 3/4" D (182,9 cm x 91.4 cm x 1.9 cm)
With SYSTIMAX
Backboard Mounting Hardware Requirements
Wood surface
Concrete surface, brick, cmdcr block
Plaster, plasterboard
Sheet-metal surface
Hardware should have a combined pullout force of 650 lb (294.8 kg),
When mounting to sheet-metal walls, attach to structural members.
Location
Within 5' (1.5 m) of dedicated AC power outlet (1 plug per carrier)
Within 1000 cable feet (304.8 m) of telephones
Heat Dissipation
Fully loaded basic carrier
Fully loaded 2-carrier
Fully loaded 3-carrier
Power Requirements
Basic carrier
2-carrier
3-carrier
451b (20.4 kg) 14" W x 23" H x 12" D
(35.6cm x 58.4 cm x 30.5 cm)
90 lb (40.8 kg) 25" W x 23" H x 12 D
(63.5cm x 58.4 cm x 30.5 cm)
1351 b(61.2 kg) 37" W x 23" H x 12" D
(94 cm x 58.4 cm x 30.5 cm)
2.1 years
4.0 years
7' W x 4' H x 3/4'' D(2l3.4cmx 121.9cmx 1.9 cm)
500 Btu/hr (35 callsec)
(70 cal/sec)
1000 Blu/hr
1500 Btu/hr (105 cal/sec)
117VAC 60 Hz ± 5%
117VAC 60 Hz ± 5%
117VAC
60 Hz ± 5%
Wood screws
Masonry anchors
Toggle bolts
Sheel-metal screws
3A
6A
9A
5