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{{TM500 mainframe | mfg=Tektronix | type=TM503 | function=three-bay mainframe | image=Tek pg501 sc502.jpg | introduced=1972 | discontinued=(?) | | |||
manuals= | |||
* [http://w140.com/tm503.pdf Tektronix TM503 Manual (PDF)] | |||
}} | |||
All bays are low-power. It has a swivelling carrying handle. | |||
The '''TM503B''' also allows the power supply/backplane part to be removed from the case so that modules to be repaired on the bench without using extenders (see link below). It also has openings for the [[TM5000]] GPIB feature, but not the connectors nor the power good signal for TM5000 plugins. | The '''TM503B''' also allows the power supply/backplane part to be removed from the case so that modules to be repaired on the bench without using extenders (see link below). It also has openings for the [[TM5000]] GPIB feature, but not the connectors nor the power good signal for TM5000 plugins. | ||
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==Option 7== | ==Option 7== | ||
Option 7 adds barrier keys (214-1593-02) and connections on the rear interface to allow connections between the [[DC502]]-option7 to either a [[TR502]] or a [[SW503]] such that the center or marker frequency of a sweep can be read of the DC502. | Option 7 adds barrier keys (214-1593-02) and connections on the rear interface to allow connections between the [[DC502]]-option7 to either a [[TR502]] or a [[SW503]] such that the center or marker frequency of a sweep can be read of the DC502. | ||
{{MissingSpecs}} | {{MissingSpecs}} | ||
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TM503-interface.jpg | Interface connectors | TM503-interface.jpg | Interface connectors | ||
</gallery> | </gallery> | ||