Cabletron Systems MICROMMAC-22T, 42T manual General Specifications, Power Supply Requirements

Models: 42T MICROMMAC MICROMMAC-22T

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2.5 GENERAL SPECIFICATIONS

REQUIREMENTS/SPECIFICATIONS

to the average power measurement to correctly compare the average power values measured to the values listed above (i.e., -33.5 dBm average + 3 dB = -30.5 dBm peak).

2.5 GENERAL SPECIFICATIONS

Cabletron Systems reserves the right to change the following operating specifications at any time without notice:

Data Buffer Memory (RAM): 8 MB (Upgradeable)

Internal Processor: Intel 80C960CF at 24 MHz

Controller: Texas Instruments TMS380C26

Static RAM: 128 KB with battery back-up

EPROM: 128 KB

FLASH MEMORY: 2 MB (Upgradeable)

2.5.1 Power Supply Requirements

NOTE: The MicroMMAC-T has a universal power supply which will accept input power between 85 and 264 VAC, 47-63 Hz.

The power supply has two outputs of +5 volts and +12 volts. Maximum output power is 125 watts and the minimum efficiency is 65% under all conditions of line at full load. The minimum and maximum load current from each output is shown below.

Table 2-10.

Output

Min. Load

Max. Load

Max Power

 

 

 

 

 

 

 

 

+ 5 Volts

1.00 Amps

15 Amps

75 Watts

 

 

 

 

+12 Volts

0.15 Amps

4 Amps

48 Watts

 

 

 

 

2.5.2 Environmental Requirements

Operating Temperature:

+5° to +50°C

2-15

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Cabletron Systems MICROMMAC-22T, 42T manual General Specifications, Power Supply Requirements, Environmental Requirements