### 4r 920 PCI Host Adapter Specifications

Power Requirements
+5 volts +/- 5% | 955 mA typical
+12 volts +/- 5% | 40 mA typical
-12 volts +/- 5% | 40 mA typical
Environmental
Ambient temperature | 10 to 55 degrees C
Relative humidity | 5% to 90%
Air Movement | 30 CFM forced
Altitude | 0 to 12,000 feet
Serial Interface Surge Suppression
Threshold voltage: | 13 volts (TxD and RxD)
13 volts (Control lines)
Response time | < 10 nS
Mechanical
Length | 6.875 inches
Width | .5 inches
Height | 4.2 inches
Weight | 5.4 ounces

Copyright © 1999, Digi International. All rights reserved.