Hayes Smartmodem 2400
Supported modes:
• Bell
• CCITT_OM
• CCITT_AM
Supported cables:
• Must use 92219Qmodem cable.
Auto-dial modes: Hayes.
This modem drives circuit 111 (Pin 23) instead ofusing it as an input. With either cable
(92219Q or AI703-63006), the Multifunction I/O PCA and the modem, drive the same line.
I
This modem should not be used because all HP cables connect circuit 111 to
the modem. If this modem is connected, both the Multifunction I/O PCA and
the modem drive circuit 111. This modem has been used in the past with the
CIa based AP card and had the same problem.
Caution
Turn offall data compression modes.
The Hayes defaults for the modem lines must be changed to the following:
Table A-4. Switch Option Settings
Switch
Position Description Option
Command
SI
up DTR normal
AT&D3&W
S2 xx
S3
down
Result codes disabled
ATQl&W
S4 up Characters echoed
ATEl&W
S5
up Auto-Answer enabled
ATSO=I&W
S6
up
Detect Carrier
AT&Cl&SI&W
S7
up RJ-ll
AT&JO&W
S9
down
CCITT
ATBO&W
S10
down
Return to command state
AT&D3&W
Note
tI
xx means do not care.
A-4 Remote Support Modem Configuration
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