MicroMMAC Installation Guide
Page A-1
APPENDIX A
MicroMMAC SPECIFICATIONS
This appendix lists the operating specifications for the MicroMMAC.
Cabletron Systems reserves the right to change these specifications at any
time without notice.
A.1 OPERATING SPECIFICATIONS
System Specifications
Shared Memory:
4 MB Expandable
Internal Processor:
Intel 80960 running at 24 MHz
Ethernet Controller:
1 National Semiconductor DP93932
Non-Volatile RAM:
128 kB with battery backup
EPROM:
128 kB
FLASH Memory:
2 MB Expandable
CPU Memory:
4 MB Expandable
A.2 POWER SUPPLY REQUIREMENTS
The MicroMMAC has a universal power supply. Table A-1 lists the input
power requirements.
The power supply has two outputs of +5 volts and +12 volts. The
maximum output power is 125 watts and the minimum efficiency is 65%
under all conditions of line at full load. Table A-2 lists the minimum and
maximum load current from each output.
Table A-1
Input Power Requirements
Voltage Range
Input Current
Frequency Range
120 to 125 VAC
4.0 A max
50 to 60 Hz
