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The standard addresses for serial ports COM1 and COM2 are listed in Figure 7. Recommended
addresses for serial ports COM3 and COM4 are also listed. The switch settings for these
addresses are shown in Figure 6.
02E8 hexCOM4
Recommendations only. No official standards
exist for COM3 and COM4.
03E8 hexCOM3
Factory default for Serial 1.02F8 hexCOM2
Factory default for Serial 0.03F8 hexCOM1
NOTESTYPICAL I/O ADDRESSPORT
Figure 7 --- Recommended addresses for serial ports
5.2 Enabling or disabling ports
Each port of the DS-100 may be individually enabled or disabled. To enable a port, move the
appropriate switch to the "ON" position. To disable a port, move the switch to the "OFF"
position. This is illustrated in Figure 8 below.
The factory default configuration is both serial ports enabled.
Serial 0 uses SW2
Serial 1 uses SW4
Enabled
Disabled
123456
ON
SW2 or SW4
123456
ON
SW2 or SW4
Disabled
Enabled
(default)
Figure 8 --- Enabling and disabling ports
4-3 Quatech Inc.