Appendix A

Hardware Specifications

TX 2000 Specifications

General
Board Capacity	· 4 ports per board. · 10Base-T support via separate daughterboard. · V.35 support through separate daughterboard.
TDM Bus	Features one complete MVIP interface.
Microprocessor	33 MHz MC68360
Memory	1-32 MB DRAM (depending on board configuration).
Power Requirements	+5VDC @ 2.0A +12VDC @ 0.5A -12VDC @ 0.3 A
Operating Temp	0°C to 55°C
Humidity	5% to 90%, non-condensing

TX 3000 Specifications

General
Board Capacity	· 16 ports per board. · 10Base-T support via separate daughterboard. · V.35 support via separate daughterboard.
TDM Bus	Features one complete MVIP interface.
Microprocessor	66 MHz MC68360
Memory	0-16 MB DRAM (depending on board configuration) and 4 MB of static RAM for the on-board microprocessor.
Power Requirements	+5VDC @ 2.0A +12VDC @ 0.5A -12VDC @ 0.3 A
Operating Temp	0°C to 55°C
Humidity	5% to 90%, non-condensing