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HP 9000 300 Series Hardware Configuration Manual page 143

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10
HP 98644A RS-232-C
Serial Interface
Card
The HP 98644A RS-232 Interface connects to a terminal, modem, serial
peripheral, or controller and supports the RS-232C standard. One interface is
required for each device, and each interface must be set to a unique select code.
Operating System Support
Operating/language system support is as follows:
• BASIC: supported on revision 4.0 or later with Series 300 controllers. Earlier
revisions can access this interface if it is set to emulate the HP 98626A
RS- 232- C Interface.
• Pascal System: supported on revision 3.1 or later with Series 300 controllers.
Earlier revisions can access this interface if it is set to emulate the HP
98626A RS-232-C Interface.
• HP- UX Operating System: supported on revision 5.0 or later with Series 300
controllers.
Preliminary Requirements
Find out what your application's accessory RS-232 interface function values
need to be set to. These functions are:
• Select Code.
• Interrupt level.
• Remote/Local.
• Modem Enable.
Your HP 98644A RS-232 Interface Card must be set to the values your
application requires.
Setting the Configuration Switches
Refer to Figure 10-10 for switch locations.
10-34
Configuring Popular Accessory Cards

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