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BOCA PRO16 Reference Guide
• Place Option switch 8 in the Off (or Right) position.
• Place Option switch 5 in the Off (or Right) position.
If the &D2 command has been issued to the modem, DTR must be raised
by your computer.
Your modem answers incoming calls after the number of rings specified
in S Register 0.
The Option Switches
The Option switches allow you to control the operation of your modem
in Dumb mode, as well as providing additional features in Smart mode.
The PRO16RK modem offers the following front panel Option switches:
Description Switch
Auto-answer enabled 5 - Off (Right)
Auto-answer disabled 5 - On (Left)
Smart mode 6 - Off (Right)
Dumb mode 6 - On (Left)
Asynchronous operation 7 - Off (Right)
Synchronous operation 7 - On (Left)
Answer mode 8 - Off (Right)
Originate mode 8 - On (Left)
V.25bis mode is selected with Option switches 3 and 4:
Description Switch 3 Switch 4
AT command mode Off (Right) n/a
V.25bis synchronous
(HDLC framing) On (Left) Off(Right)
V.25bis sync
(BSC character framing) On (Left) On (Left)
See diagrams on next two pages.
Dumb Mode Operation
Dumb Mode
Operation
pro16ref.pm6 6/14/96, 2:37 PM66
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