5 general specifications, 1 power supply requirements, 2 environmental requirements – Cabletron Systems MicroMMAC 24T MICROMMAC- User Manual

Page 34

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REQUIREMENTS/SPECIFICATIONS

2-15

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.

2.5.2 Environmental Requirements

Operating Temperature:

+5

°

to +50

°

C

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

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