Lynx manual EPM-4 Revision Battery Type, Reorder Part No

Power Supply

POWER REQUIREMENTS

The EPM-4 only requires +5 volts (±5%) for proper operation. The voltage required for the RS-

232ports is generated with an on-board DC/DC converter. A variable low-voltage supply circuit provides power to the CPU and other on-board devices.

The exact power requirement of the EPM-4depends on several factors peripheral connections, type and number of expansion modules, and attached devices. For example, AT keyboards typically draw their power directly from the EPM-4, and driving long RS-232 lines at high speed can increase power demand. Reducing the CPU speed from 133 MHz to 100 MHz via the BIOS settings will save approximately 0.5 W.

LITHIUM BATTERY

Warning! To prevent shorting, premature failure, or damage to the lithium battery, do not place the unit on a conductive surface such as metal, black conductive foam, or the outside surface of a metalized ESD protective pouch. The lithium battery may explode if mistreated. Do not recharge, disassemble, or dispose of in fire. Dispose of used batteries promptly.

Batteries of different voltages are used on different revisions of the EPM-4, as shown below:

		Min. Operating
EPM-4 Revision	Battery Type	Voltage	Reorder Part No.
Rev 4 and above	3.0V	2.5V	T-HB3/5-2
Rev 2	3.5V	3.0V	T-HB3/5-3

If the operating voltage drops below the minimum, contact the factory for a replacement. Life expectancy under normal use is approximately 10 years.

EPM-4 Reference Manual Reference – 25