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Switch Fabric
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Full digital, nonblocking
Electrical
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10 Watts (35 BTU/hour) per 400 module, normal and maximum power consumption
Specifications
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65 Watts (225 BTU/hour) per 206 module during normal operation
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100 Watts (350 BTU/hour) per 206 module during maximum power consumption
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U.S., Canada, and other 110V countries: 8 Amps maximum current at full system capacity (two
carriers with processor module and four 206 modules each)
Countries using 220V: 4.4 Amps maximum current (two carriers with processor module and four
206 modules each)
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4-day memory backup (96 hours)
Primary
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68000 microprocessor, 256Kbytes RAM, 512Kbytes ROM
Processor Module
Specifications
Expansion
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8051 microprocessor, 12mHz, 8Kbytes ROM
Processor Module
Specifications
Extension Jack
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Ringing voltage: +5VDC, -140 VDC peak to peak; trapezoidal wave shaping
Specifications
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35- to 38-Volt talk battery
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Ringing frequency: 20 Hz
PAGE Jack
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Draws current on inner wire pair
Specifications
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Provides contact closure on outer wire pair
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600 Ohm impedance
SMDR Output
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1200 baud
Format
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No parity
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8 data bits
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2 stop bits
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XON/XOFF protocol
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Carriage return
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Line feeds
Environmental
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Mount on a wall at least 2 feet (0.6 meters) from the floor (wall mounting required)
Requirements—
Control Unit
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Locate within 5 feet (1.5 meters) of the network interface jacks and a properly grounded
electrical outlet not controlled by a switch, using supplied 7-foot (2.1-meter) cords
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Mount the Expansion Carrier at least 6” and not more than 24” away from the Primary Carrier
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Operating temperature 32° to +104°F (0° to +40°C), not in direct sunlight
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Humidity 15%–90%, noncondensing
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For proper ventilation and easy replacement of modules, provide at least 6“ (15.2 cm) clearance
at the top and sides and 2 feet (0.6 meters) at the front and bottom of the control unit.
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Locate in an area free of excess moisture, corrosive gases, dust, and chemicals
A-2
Specifications