Texas Instruments 990 User Manual page 11
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Also See for 990:
- Operation manual (276 pages) ,
- User manual (274 pages) ,
- Manual (211 pages)
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Dual Communications Interface - The IBM 2780 can communicate on an alternate line if
its primary communication line becomes disabled.
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Terminal Testing -
The IBM 3780 can perform a test, online or offline, of its
communication ability.
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Synchronous Clock -
The IBM 2780 and 3780 can use data sets havinp, no clocking
signals since the synchronous clock feature provides them with an internal clock.
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Digital Systems Group
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