Maintenance
49
IEEE-488 Interface Module
Logic Levels
Meets all IEEE Standard 488-1978
specifications
Modes of Operation
Switch and bus selectable
Talk Only
Allows the 4421 to send to the bus keyboard-
initiated measurements only
Addressable
Allows the 4422 to be addressed as talker or
listener under the command of an IEEE-488 bus
controller
Connector
Standard IEEE-488 bus type
Humidity
95% ± 5% maximum (non-condensing)
Altitude
Up to 10,000 feet (3,048 m)
Temperature Range
Operating
Storage
32 to 122º F (0 to 50º C)
–4 to +122º F (–20 to +50º C)
Dimensions
6.5”L x 4.5” W (165.1 x 114.3 mm)
Weight
0.5 lbs (0.227 kg) nominal
RS-232 Interface Module
Logic Levels
Meets all EIA Standard RS-232-C specifications
Modes of Operation
Switch and bus selectable
Talk Always
Allows the 4421 to send to the bus keyboard-
initiated measurements only
Addressable
Allows the 4421 to be commanded by an RS-232
interface controller
Connector
RS-232 Interface Type
Humidity
95% ± 5% maximum (non-condensing)
Altitude
Up to 10,000 feet (3,048 m)
Temperature Range
Operating
Storage
32 to 122º F (0 to 50º C)
–4 to +122º F (–20 to +50º C)
Dimensions
6.5”L x 4.5” W (165.1 x 114.3 mm)
Weight
0.5 lbs (0.227 kg) nominal
Summary of Contents for THRULINE 4021
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