Cabletron Systems 42T Manuel D’Utilisation
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).
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:
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.
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.
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