Ericsson LBI-39001 Manual del operador descargar pdf (Pagina 32)

4.2.2. E1 MUX Specifications

The ANT BOSCH MUX will be used for E1 applications. Its specifications are shown below.

E1 - 30 B+D

Configured w/ 4...30 cards*

Mechanical Construction

10.51" x 19" x 12.2"

Weight

<26.4 lb

Power Requirements

Voltage -19 to -75V

Power Consumption 23W

Environmental Requirements

Temperature 5 to 40°C

*Must have card for each audio line

4.3. POWER DISTRIBUTION UNIT AND -48V POWER SUPPLY

Power Distribution Unit Specifications

The Power Distribution Unit (PDU) operates within the same environmental specifications as shown for the PI. The

operating environment must be free of corrosives or contaminants such as salt water or excessive dust. The following

environmental specifications should be met:

Temperature

Operating 0 to +40°C

Non-Operating -20 to 85°C

Humidity 20 to 90% noncondensing (except for removable diskette drive)

Storage Temperature -40 to +85°C

Operating Altitude < 15,000'

Shipping Altitude < 50,000'

-48V Power Supply Specifications

Specifications for the -48V power supply are shown below.

AC Input 100/120/220/240 VAC +10%, -13%, 47 to 63 Hz

Tolerance for 230 VAC operation is +15%, -10%

Derate output current is 10% for 50 Hz operation

DC Output -48 VDC, adjustment range is ±5% minimum

Line Regulation ±0.05% for a 10% change

Load Regulation ±0.05% for a 50% load change

Output Ripple 3mV +0.05% of output voltage, peak-to-peak maximum,

all "3-terminal regulator" outputs: 3mV +0.2% peak-to-peak

maximum

Short Circuit Protection Automatic current limit/foldback

Temperature Rating 0°C full rated, derated linearly to 40% at 70°C

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Ericsson LBI-39001 Manual del operador Pagina 32