Texas Instruments 990 User Manual page 78

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•EJA voltage for ring
*Without ACU
Grounding option AB not connected to AA
Permanent auto-answer
Dedicated private line service:
*Internal timing
*Without new sync
Grounding option AB not connected to AA
• 208A leased-line modem (4800 bps)
*Internal timing
*Without new sync
Grounding option AB not connected to AA
CC off when AL button is pressed
• 208B switched-line modem (4800 bps)
*Internal timing
Grounding option AB not connected to AA
CC off when AL button is pressed
Auto-answer under CD control
Cassette tape may be used for Emulator input/ output only if the 733 ASR is not also the Emulator
operator console.
Input/ output using slow devices could cause error messages on the host console.
Refer to Section II, Concepts and Facilities. of the Model 990 Computer DXJO Operating System
Release 3 Reference Manual, Volume I. part number 946250-9701, for information on DXIO
supported hardware.
A-2
Digital Systems Group