Delta Tau PMAC Pack, Hardware Reference Manual

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PMAC-Pack
20 Getting Started
S5-S8: Communications Control
Switches S5-S8 on the front panel of the PMAC-Pack close or open jumpers E44-E47. These jumpers in
turn control what baud rate to use for serial communications. If S5 - S8 are all on the serial port is
disabled. Refer to Table 2-2 for communications control settings.
Note:
When PMAC-Packs ship from the factory, the switch bank settings are defaulted to
9600 baud.
Table 2-2. Communications Control Switch Settings
Baud Rate Control
"E" Points
Baud Rate
Default &
Physical
Layout
Loc. PMAC-Pack
FRONT PANEL
S5 S6 S7 S8
20 MHz Flash CPU
(OPT 4A)
Standard
20 MHz Battery-backed CPU
(standard on units produced
prior to AUG 1, 1995)
or
40 MHz Flash CPU (OPT
5A)
60 MHz Flash CPU
(OPT 5B)
ON ON ON ON DISABLED DISABLED DISABLED
OFF ON ON ON 300 600 900
ON OFF ON ON 400 800 1200
OFF OFF ON ON 600 1200 1800
ON ON OFF ON 800 1600 2400
OFF ON OFF ON 1200 2400 3600
ON OFF OFF ON 1600 3200 4800
OFF OFF OFF ON 2400 4800 7200
ON ON ON OFF 3200 6400 9600 Default -
60MHz CPU
OFF ON ON OFF 4800 9600 14400 Default -
40MHz CPU
ON OFF ON OFF 6400 12800 19200
OFF OFF ON OFF 9600 19200 28800 Default -
20MHz CPU
ON ON OFF OFF 12800 25600 38400
OFF ON OFF OFF 19200 38400 57600
ON OFF OFF OFF 25600 51200 76800
OFF OFF OFF OFF 38400 76800 115200
Note: OFF
= OPEN
ON
= # Side of Switch