Performance Specifications; Theory Of Operation - Motorola iDEN Site Controller System Manual

Gen 3 Site Controller System Manual
Performance Specifications

Theory of Operation

68P80801E30-A 5/1/2002
Table 11-2 lists the EAS2 specifications.
Table 11-2 EAS2 Performance Specifications
Specification
Input supply voltage
range
Power consumption
Operating temperature
range
Storage temperature
range
Physical dimensions:
Height
Width
Humidity
Maximum loop length
Alarm input "ON"
current
Alarm input "OFF"
current
The EAS2 provides a direct interface between the Site Controller and
various site alarms. Figure 11-2 shows a functional block diagram of the
EAS2.
The EAS2 is configured for 48 dry contact input sensors and 8 relay closure
outputs. Each I/0 provides 4000V of isolation between field wiring and
sensitive control circuitry.
Chapter 11 Gen 2 Environmental Alarm System
EAS2 Functional Description
Value or Range
-41 to -60 Vdc
Typical: 22W
Maximum: 50W
-30° to 60° C (-22° to 140° F)
-40° to 85° C (-40° to 185° F)
1 Rack Unit (RU)
482.6 mm (19")
75% R.H. at 55°C (Max.)
24 or 32 gauge wire => 610 m
(2000')
5.0 mA min.
0.1 mA max.
11-3