Options—2230 Service
Table 7-4
Option Electrical Characteristics
Characteristics Performance Requirements
EXTENDED MEMORY
Power-Down
Battery Voltage
Memory retained for battery voltages greater than 2.3 V.3
Data Retention
Memory maintained at least 6 months without instrument power.3
Battery Life Power-down data retention specification shall be maintained for 3
years without battery change.3
Power-Down Detection
Threshold
Fail asserted for supply drop to less than 4.75 V.3
Reset held until supply is greater than 5.0 V.3
Reset Delay
Power-down interrupt to reset delay 5* 1 ms.3
GPIB OPTION
GPIB Requirements Complies with ANSI/IEEE Standard 488-1978.3
RS-232-C OPTION
RS-232-C Requirements
Complies with EIA Standard RS-232-C.3
Baud Rates
Available Rates
110, 300, 600, 1200,1800, and 2400 baud.
Accuracy
< 1% error.3
* Performance Requirement not checked in manual.
7-4
Figure 7-1. Option side panels.
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